What putties are used for drywall. What kind of putty to putty plasterboard - features of the choice and finish of the coating

Despite the perfectly flat surface, drywall must be puttied before any type of finish in order to hide the joints and improve the adhesion of the base, reduce the consumption of finishing materials - paint, wallpaper glue, adhesive for decorative tiles, etc. And here a reasonable question arises: what putty to choose for drywall?

Putty is a mortar designed for leveling surfaces, which creates a durable layer on them after hardening, protecting the base from external influences and facilitating subsequent finishing. Different types of work require different compositions, so it’s definitely impossible to say which putty is better for drywall.
These materials differ in composition, purpose, degree of readiness for use. To make the right choice, you need to understand these varieties.

Choice by purpose

The standard technology for finishing plasterboard structures is to seal joints, corner junctions and attachment points, after which the entire surface is leveled. It can be done in one step if the walls are intended for cladding or wallpapering, and the sheets do not have obvious surface defects.
Or several - if perfect alignment for painting is required.
What kind of putty is needed for drywall in each of these cases:

Starting or leveling - for sealing seams, deep cracks, chips, areas with damaged paper coating. These are coarse-grained mixtures intended for rough primary leveling. It can have any color from white to gray and brown.
Finishing fine-grained putty is used to apply the final layer, leveling minor defects. It is predominantly white in color, which allows you to use light shades of paint or thin wallpaper in the future, without fear that the walls will shine through them.

Universal putties have the functions of both starting and finishing compositions and can be used at any stage, including when leveling bases made of other materials. This is their main advantage.

You can purchase either starting and finishing putty, in order to first eliminate large defects and cover up the seams, and the second to stretch the entire surface. Or just use a universal composition for each stage.

Choice by composition

When choosing a putty, it is important to consider the conditions under which it will “work”:

For dry rooms, it is best to use gypsum-based compositions. They do not differ in high moisture resistance, but they are of good quality and lack of shrinkage when dried.

For finishing wet rooms - bathrooms, bathrooms, kitchens - the instruction requires the use of cement-based mixtures. They will protect the base from water and fumes, as well as from various mechanical damage.

Note. When dry, the cement putty shrinks and may develop cracks that must be repaired before finishing.

The easiest way to work with polymer putty, which has a wide range of applications, excellent moisture resistance, strength, no shrinkage and ease of application. Its only drawback is its high price compared to the types listed above, which leads to a significant increase in the cost of the rough finish.

Ready-to-use selection

On sale there are materials for leveling plasterboard walls in the form of a dry mixture, which must be diluted with water immediately before use, and in finished form, requiring only thorough mixing. Each of them has its pros and cons, so you have to decide which putty is best for drywall.
So:

The main advantage of dry powder mixtures is their low cost. The downside for inexperienced finishers may be the need for self-preparation using a special tool (construction mixer or drill with an appropriate nozzle) and difficulties in determining the optimal consistency.
The disadvantages can also be attributed to the fairly rapid solidification of the finished solution. However, many masters prefer just such compositions.
Ready putty can be used immediately, just mix it until smooth. In a hermetically sealed container, it does not harden for a long time, retaining elasticity and other properties, long breaks in work are not terrible for her. But you will have to pay more for this convenience.

How to prepare putty from a dry mix

If the question of which putty to putty plasterboard is resolved for you, and you have chosen a dry mix, it is important to prepare it correctly.
As a rule, each manufacturer prescribes on the packaging recommendations for the preparation of putty mortar. The standard proportions are approximately the same for everyone: 2-2.5 liters of water are added for each kilogram of powder. Usually the solution is prepared in a large bucket from half a bag of putty (25 kg bag) and 30 liters of water.
But it is difficult for a beginner to spend such an amount in those half an hour during which the solution retains viscosity and elasticity. And weighing the powder is quite problematic.

Therefore, the masters use the following method:

Pour water into a mixing container, the temperature of which should be about 25 degrees;
The dry mixture is carefully poured into it so that it gradually pours into the center of the bucket, and does not “flop” in a heap;
When a hill of powder appears above the surface of the water, continue to pour so that it grows by 1/3 of the height of the liquid;
They wait until all the powder is saturated with water and settles, after which they immerse the mixer in a bucket and knead the putty at a speed of 500-600 rpm;

Note. Do not increase the speed of the mixer, otherwise the mixture will be saturated with air bubbles.

After mixing the putty until smooth, it is left for a couple of minutes, then mixed again and used immediately.

For sealing joints and rough alignment, the mixture must be thick enough. Its suitability is determined in a simple way: the solution is drawn onto a spatula and it is lowered by the working surface down.
Putty should slowly slide off the tool, and not drain from it and not fall in its entirety.

For finishing work, a more liquid solution is made so that it is more convenient to stretch it in a thin layer.

Conclusion

From the huge range of building mixtures offered on the market without sufficient experience, it is difficult to choose those that will be easy and pleasant to work with, and the result will be satisfactory. Therefore, do not take risks by purchasing inexpensive and little-known putty, give preference to proven brands, among which the most popular are Vetonit, Fugenfüller or domestic Volma.
If this is your first time doing drywall puttying, first watch the video in this article to learn all the intricacies and nuances of the process.

Finishing ceilings and walls with drywall made it possible to simplify leveling processes to a minimum. But, as practice shows, even such an even and smooth material must be brought to a certain degree of evenness. Therefore, drywall puttying is a necessary and even paramount process when it comes to finishing painting or wallpapering.

The choice of putty for plasterboard

Let's start with the fact that the modern market offers a fairly wide range of putty solutions. But not everyone is suitable for drywall, so the question of how to putty drywall is one of the most important.

Firstly, the drywall sheet is called so for a reason. Its structure is based on gypsum. And, therefore, gypsum putty is what is needed. True, in wet rooms it is better to use solutions with the addition of special materials.

Secondly, in the process of plastering drywall, two different mixtures must be used. One for sealing seams between sheets, the second for finishing alignment. Two solutions differ from each other in that the first is a coarse-dispersed variant, the second is a fine-dispersed one.

Currently, manufacturers offer a third type of plaster mortar - this is a universal material that is used both for sealing joints and for leveling the plane. For example, the Knauf company suggests using Uniflot or Fugen brand solutions.

In addition to purely gypsum putties, manufacturers offer other modifications of this mixture. For example, moisture resistant analogues. They are best used in wet areas (kitchen, toilet, bathroom, showers and pools). There are also materials on the market that contain polymers. Excellent material with high performance, but more expensive than all the others. I would like to note that after applying this type of putty to drywall, there is no need to grind the leveled surface.

In principle, this is how you can answer the question of what kind of putty to putty drywall. Next - choose the best option yourself and start work.

Puttying process

Initially, prepare everything you need to putty drywall. First of all, you need to find tools and materials.

Of the tools you will need:

two spatulas: wide and narrow;
roller and brush;
sandpaper.

From materials:

putty;
deep penetration primer;
reinforcing paper tape.

Seam sealing

It is necessary to start sealing the seams with their treatment with a primer. After it dries, the seam is completely filled with drywall putty. Please note that it is necessary to putty in such a way as to immediately close the areas along which the sheets were fastened with self-tapping screws.

While the leveling material has not dried up, it is immediately necessary to lay a reinforcing tape along the junction of the sheets. Therefore, the puttying of drywall joints must be carried out in sections. For example, they filled a vertical joint on the wall with a solution to the entire height of the ceiling, immediately applied the tape. And so on all the joints.

After sealing, an additional coating of all joints is carried out with another layer of leveling material. This layer should dry well. Then comes the sandpaper. With it, all areas treated with putty must be sanded.

Leveling drywall surface

So, the joints are sealed, it remains to level the GKL surface itself. Why putty plasterboard walls, if the material itself is very even? The thing is that when fastening sheets, a part of the plane is pressed in, so it turns out to be concave. The rest, on the contrary, bends. So these gaps need to be equalized. And, therefore, plasterboard putty over the entire area is a matter of paramount importance.

When it comes to facing with ceramic tiles, these defects can be hidden. But when the finish is painting or wallpapering, then you can’t do without preliminary alignment.

So, you know whether it is necessary to putty plasterboard, now you can move on to the details of this process. Therefore, first of all, the plasterboard surface is treated with a primer using a roller. After drying, the putty is applied to the entire surface of the plasterboard structure with a not very thick layer. It is important to equalize differences here. As practice shows, one layer is always enough to get rid of defects. If the differences are large enough, then putty will have to be applied in two layers. But before that, the first dried layer is treated with a primer. And after it dries, a second finishing layer is applied.

It must be dried and then sanded with sandpaper. Before applying paint or wallpapering, the plasterboard surface is primed again.

To apply putty on drywall, two spatulas are used. With a narrow tool, the solution is pulled out of the container where it lies. Then it is applied to the working surface with a wide spatula. It is important here to stretch the mixture along the working edge of the tool. After that, with a wide spatula, the solution is applied to drywall. Most often, craftsmen use transverse application of the material. Although in this regard, it is convenient for anyone.

So, we tried to understand the topic of puttying a plasterboard surface and answered the questions whether it is necessary to putty drywall and which putty to choose. As always, we invite you to discuss. Leave your questions and suggestions.

Do-it-yourself plasterboard structures need a high-quality finish. And in order for the decorative finishing layer to lie perfectly, no one canceled such a process as putty. This is an obligatory moment in the preparation of GKL for finishing, as well as a necessary stage associated with sealing seams, joints, corners.

Today, you can find any mixtures in construction stores, you can use both ready-made putty and a mixture that has yet to be diluted. The finished mixture is good if you are sure that you bought it and immediately run to putty the wall. But if the repair has to be delayed, or the mixture is dosed, such a product will not work - it will quickly deteriorate.

According to the type of binder, putty mixtures are:

Gypsum;
Cement;
Polymer.

All three types of compounds are suitable for puttying, but it is very important to know the process conditions - where to putty, what exactly, under what conditions, etc. For example, in certain rooms only moisture-resistant putty is needed. Of course, much depends on financial capabilities. There are recognized brands, for example, the quality of which is out of the question. But little-known brands can be of a good level, so the choice becomes even more complicated.

What putty to putty plasterboard: gypsum mixture

Experts say that the best putty for drywall is a gypsum mixture. This material is based on natural components and fillers that improve the characteristics of the mixture. This is a natural project, absolutely harmless and, so to speak, "understandable" to the buyer.

Among the advantages of gypsum putty:

It does not shrink;
The material lends itself well to alignment;
This putty dries pretty quickly;
It is easy to make a mortar - you just add gypsum to the water in the right amount.

As you can see, the properties speak for themselves, which makes the masters make a choice in their favor.

But gypsum putty also has disadvantages - and, above all, it is poor water resistance. The fact is that gypsum quickly absorbs moisture. And when it dries again, the coating will crack.

Cement putty and its features

And this is the most moisture-resistant putty among a number of commercially available. It is also convenient that such putties withstand temperature extremes well. That is why these putties are well suited for finishing drywall in the kitchen or bathroom.

The disadvantage of putty cement mixtures is strong shrinkage during the drying period, as well as the formation of microcracks. That's why you have to putty several times. If you don’t decide on your own, let specialists putty the cement composition - they still know all the nuances of this material.

Polymer putty mixtures

But polymer mixtures are superior to both of the above compositions in terms of their performance characteristics. They can be used in any room, in the living room and bedroom, bathroom and kitchen, hallway and corridor, etc. These mixtures do not shrink, they will provide you with a perfectly flat and smooth drywall surface, so finishing with such mixtures is quite real.

Modern polymer compositions are presented:

Latex putty. This mixture is only suitable for indoor use.
Acrylic putty. This is a universal composition - both for the walls of the room and for the facade of knowledge. True, acrylic, for all its charms, hardens very quickly.

These coatings are plastic, high strength, odorless, and, most importantly, durable. The practical use of such mixtures indicates the preservation of the coating structure and the absence of negative deformation processes.

Suitable putty for drywall: which is better

For each stage of work, a mixture with certain functional characteristics should be selected. Some compositions are used to eliminate cracks and seal seams, others are more suitable for leveling the surface, while others are used for decorative finishing of walls, ceilings, partitions.

There are the following types of putty:

Starting. Needed for processing seams and noticeable depressions, large cracks and other visible defects. This is a coarse-grained mixture that is needed for rough primary processing.
Finishing. Its purpose is to apply the finishing layer, it eliminates the remaining imperfections and helps to achieve the most even surface for wallpapering and painting. It is a white fine-grained mixture.
Universal. It carries the purpose of both starting and finishing putty. It is also used for sealing seams, and for leveling, and for eliminating defects, etc. High strength blend.

Depending on the type of work, you need to choose the right putty.

Be sure to consult with a sales assistant, indicate the purpose of your work, the level of training, and get good advice.

How is plasterboard putty used (video)

Puttying is an important process in repairs using drywall. Do not spare time and money, and then the next repair will not be quick. Be sure to check that the product is certified.

When the drywall structure is erected, there is a piece of work left, such as putty to seal the drywall joints. In this task, they act in a coordinated and cautious manner. Having studied the correctness, each owner will cope with the task. The problem of cracks or seams on the finished GKL structure is a popular problem. Therefore, the construction market offers separate mixtures that will help to implement. The main thing is to clearly carry out the puttying procedure, the technology of which is used by all puttyers.

Grouting on drywall

The puttying procedure is best carried out, taking into account the nuances that can adversely affect the surface of the putty. Work features:

before sealing the seams, make sure that there are no drafts in the room. If puttying in a draft, then subsequently the coating may crack or loosely fix on the wall or ceiling;
cracks after grouting appear if puttying was carried out at too low a temperature. It should be at least 10 degrees;
cracks can appear on the surface if the foundation of the building has settled. Puttyed seams crack under pressure;
cracks may appear due to sudden changes in temperature;
Grouting cracks in drywall
seams and cracks between appear due to the fact that it is incorrectly implemented.

In any case, all these problems are solvable, the main thing is to choose high-quality material, as well as study the sequence of work.

Types of putty

On the modern construction market, there are many options for dry and ready-mix, which can be putty. Choosing which one to buy is easy. The main thing is to study the characteristics and features of each of the options. You should pay attention to the following mixtures of putty:

"Knauf" "Uniflot";
"Knauf" "Fügenfüller".

Ready putty for drywall

These two mixtures are popular among putty masters, as well as among owners who have decided to putty seams and cracks with their own hands.

Knauf

Putty mixture "Knauf" is a frequently purchased material for sealing drywall joints. The main thing when using it is to correctly calculate the amount of the Knauf dry mix so that it is enough for the entire surface.

Peculiarities

"Knauf" must be used within thirty minutes after mixing;
the ready-made Knauf solution applied to the wall dries completely after 24 hours;
putty "Knauf" has no smell, therefore, during the repair, the residents of the house or apartment may not move.

Important nuances

in order for the putty to adhere well to the surface, it is first necessary;
seams in drywall must be dry. Only in this way will it be possible to seal the seam with high quality and for many years.
When using this putty, it is not necessary to use a sickle.

Knauf fugenfuller

The Knauf fugenfuller mix is also popular with home remodelers. This putty contains components that are water-repellent. Due to this, this material can be used in rooms with a high level of humidity.

use a fugenfüller paired with. This allows you to reliably and efficiently putty joints on drywall;
the technology of mixing and applying Knauf Fügenfüller putty to the surface is no different from the standard one. It must also be applied to a dry, dust-free surface. The sealed seam will be securely fixed if you wait enough time before applying the finish coat.

Fugen putty is used to reinforce joints. Fugen HYDRO is applicable for moisture resistant drywall

It is difficult to unambiguously answer which putty is better. Each mixture from the hardware stores presented on the shelves is worthy of attention. And each owner has his own views on repair work and materials. The main thing is to think about what exactly you want to get from the material before starting puttying. And also, analyze in which room the repair is being done, this will help you choose the right option.

Sequence of work

Those people who close up seams and cracks in drywall should know in what order to work. The process is divided into several stages, such as:

Surface preparation

Before starting work on filling seams and joints on gypsum boards, it is necessary to prepare the surface. To do this, clean the coating from dust and dirt. This can be done with a rag or walk along the surface of the seams.

Surface preparation for puttying

Primer

It is necessary to prime the seam. The primer mixture will help protect the surface from moisture, fungal growths, and decay. The mixture is applied in a thin layer on the surface of the seam. One layer is enough to provide the desired effect.

Priming drywall joints

Laying putty in the seam

In the place where the seam or crack between the sheets, immerse the finished mixture of putty. Since the layer will turn out to be quite thick, you need to wait a while for it to dry completely. Therefore, putty should be mixed exclusively so that it is enough to fit into the seams.

Laying putty in the seam

It is better to mix the rest of the mixture immediately before filling the surface itself, because the solution must be used within 30 minutes after mixing. The video shows the process of laying putty in the seam.

First layer

The surface of the seam is puttied with a layer of approximately 2-3 millimeters. To do this, you need two spatulas, different in diameter.

The mixture is collected with a smaller spatula, then it is evenly transferred to a spatula with a large diameter;
then the mixture is transferred with smooth movements to the surface on which the seams are sealed.

Putty plasterboard wall

Important nuance

A perfectly even layer of the mixture cannot be applied to the surface, so do not complicate your life and do unnecessary work.

In any case, after drying, the putty will rub off, it is this process that will provide a perfectly flat surface.

Grout

When the putty material at the seams has hardened, its surface must be rubbed. This will give the plane evenness and aesthetics. To work, you will need two types of sandpaper (with small stones and with large ones). First, coarse sandpaper is used to file off large raised sections.

Grouting seams with sandpaper

After you need to use fine sandpaper to comb off small irregularities from the coating.

Second layer

The top (finish) layer of putty joints should be done very carefully. For a good result, you need to go over the entire surface again to give the structure a complete look. The grouting process is no different from the first. The main thing is to pass over the surface slowly so as not to violate the integrity of the coating.

Finishing layer of putty

Each stage of puttying the seams on the plasterboard surface must be completed. In fact, there is nothing difficult in the process of creating a smooth, even surface without cracks and seams. The main thing is not to break the sequence of actions and work slowly, accurately. Each owner will be able to cope with the task.

Varieties of putty

There are a large number of types of funds that have certain qualitative characteristics. They differ in how they are applied and applied.

There are two types of putty: starting and finishing, the first is used at the first stage, and the second is applied after drying from above.

Putty for GKL seams can be starting and finishing. They are used at certain stages of finishing work. There are also differences in their structure and technical properties.

The composition of putty can be of the following types:

cement;
polymer;
plaster.

The way they are applied is almost the same. The difference will be only in the structure and performance.

How to putty drywall?

After all the main installation work has been completed, it is the turn of the finishing. the most scrupulous and requiring great attention and patience.

Before the surface is painted or decorated with beautiful wallpaper, it is puttied, this is necessary in order to get rid of minor defects and provide for easy removal of the wallpaper during the next repair.

It is very important to remember the order of puttying - work with walls begins only after puttying works on the ceiling.

At the first stage, all seams between the gypsum plasterboards, which have arisen both due to natural boundaries and as a result of cutting sheets, are disposed of; for this, special gypsum plaster is used; after filling the seam, a reinforcing tape is glued over the solution, preventing the appearance of new cracks as a result of vibration.

The outer corners are protected with a steel perforated corner, it is attached to the gypsum board with several self-tapping screws, after which it is covered with the same gypsum plaster.

If there are sufficiently large gaps at the inner corners, then a plastic corner is used to cover them. fixed with a stapler.

When these preparatory works are completed, the surface is primed and after the primer dries, the starting putty is applied. it has a larger grain size and a grayish color, with its help small defects are removed, if necessary, several layers of start are applied.

After drying, a thin layer of finishing putty is laid. the spatula should not have defects, as they may remain on the solution. The dried surface is treated with sandpaper or mesh until perfect evenness is achieved.

Also watch the video material with the master's advice on plasterboard puttying.

We distinguish types: putty for drywall

How to choose putty for drywall? Putty for drywall has its own varieties, which must be known and distinguished not only by a professional drywall worker. If we, while making repairs at home, decide to level the wall or assemble a box of plasterboard, finishing work awaits us. In order not to trust this business to professionals and save the home budget, it is better to do the work yourself, knowing about the types of putty mixtures.

Puttying walls from GKL is one of the types of finishing formation of the wall surface, that is, its alignment. Regardless of the primer of the drywall surface, putty must be applied in one or more layers. Some types of work involve several stages of puttying, and therefore, it is simply necessary to putty a plasterboard wall at least once.

Putty is a special material for this type of work, which is a universal composition with the ability to quickly harden. Putty is intended for leveling walls and, at the moment, it is simply impossible to exclude it from some works. Since puttying of plasterboard walls and other surfaces occurs before the final finishing of the wall with decorative finishing materials, such as paint or wallpaper, putty is applied to the walls not only to level the surfaces, but also to increase its adhesive properties.

To decide which type of mixture is best for you and which variety to choose, for example, for moisture-resistant GKL, you need to know the selection criteria.

Putty can be on sale in two versions - dry (powdered), which is diluted according to the instructions before applying to the wall, and ready - a gray or white mixture of approximately creamy consistency, which can be worked immediately.

The choice of means depends on the following factors:

room humidity;
type of subsequent finishing;
repair skill.

The latter plays a significant role, since inexperienced finishers are recommended to use polymer putty mixtures. They are much easier to apply and level on the surface.

Finishing ceilings and walls with drywall made it possible to simplify leveling processes to a minimum. But, as practice shows, even such an even and smooth material must be brought to a certain degree of evenness. Therefore, plasterboard putty is a necessary and even paramount process when it comes to finishing painting or wallpapering.

First of all, the plasterboard surface is treated with a primer using a roller. After drying, the putty is applied to the entire surface of the plasterboard structure with a not very thick layer. It is important to equalize differences here. As practice shows, one layer is always enough to get rid of defects.

Putty for drywall has its own varieties, which must be known and distinguished not only by a professional drywall worker. If we, while making repairs at home, decide to level the wall or assemble a box of plasterboard, finishing work awaits us. In order not to trust this business to professionals and save the home budget, it is better to do the work yourself, knowing about the types of putty mixtures.

Putty can be on sale in two versions - dry (powdered), which is diluted according to the instructions before applying to the wall, and ready-made - a gray or white mixture of approximately creamy consistency, which can be worked immediately.

Usually manufacturers indicate in the instructions how to prepare the composition. Standard packing - a bag of 25 kg. For every kilogram of the mixture, it is recommended to add 2 liters of water.

Among the advantages of gypsum putty:

It does not shrink;
The material lends itself well to alignment;
This putty dries pretty quickly;
It is easy to make a mortar - you just add gypsum to the water in the right amount.

As you can see, the properties speak for themselves, which makes the masters make a choice in their favor.

But gypsum putty also has disadvantages - and, above all, it is poor water resistance. The fact is that gypsum quickly absorbs moisture. And when it dries again, the coating will crack.

Putty for drywall finishing

Finishing putty should be applied in a layer up to 3 mm, or rather 1-3 mm. Here, the choice is richer. Both dry polymer putties and ready-made putties in buckets are suitable.

To be honest, I do not like ready-made putties. Firstly, they have an expiration date, secondly, I don’t know how they were stored, and thirdly, ready-made putties interfere at the factories, which means that the quality of the putty can vary from batch to batch. Still, for the second layer , it is better to choose a dry putty, designed for a layer of up to 1 mm. It is called that, finishing polymer putty or simply, finishing putty.

Recommendation 2. For the finishing layer when puttying a plasterboard surface, we buy dry polymer putty, for example, Weber-Vetonit LR. (pay attention to the letters) or ready-made putty in buckets (for example, putty Rotband Pasta on a vinyl basis).

Puttying and sealing plasterboard joints is not complete without the use of starting and finishing mixtures. The first is the basis for further surface treatment. It has a dense structure with large fractions of the feedstock.

The finishing putty is applied to the previously dried layers of the starting one. It is subjected to subsequent processing with fine-grained sandpaper. Unlike starting putty, which is made only in powder form, finishing can be of several types - mortar and powder.

As practice has shown, the means are distinguished by their practicality. What putty to choose for drywall? The solutions are ready for use and do not require additional dilution with water. It is necessary to add a certain amount of liquid to the powder, which is indicated on the product packaging.

What putty to choose for drywall?

According to the type of binder, putty mixtures are:

Gypsum;
Cement;
Polymer.

All three types of compounds are suitable for puttying, but it is very important to know the process conditions - where to putty, what exactly, under what conditions, etc. For example, in certain rooms only moisture-resistant putty is needed. Of course, much depends on financial capabilities. There are recognized brands, for example, building materials of the Knauf brand, the quality of which is out of the question. But little-known brands can be of a good level, so the choice becomes even more complicated.

Some people think that puttying all drywall is not worth doing, especially for wallpapering. since they will hide all defects, however, this is not wrong.

The next time you need to change the design and put on new wallpaper, you will find that they are almost never removed. After all, in fact, paper was connected to paper.

It is pointless to wet with water, as well as to rip it off with a spatula, since the surface of the GKL is soft enough and as a result, dents will remain from the tool.

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