Is it necessary to trim the edge of the drywall: how to cut the product

Dipsokarton is an irreplaceable material for the renovation of residential premises. It is used to install interior partitions, wall insulation and ceilings, underfloor seals. When working with this material, there are often no problems, since it is elastic and easy to cut. However, during repairs, many do not take into account such a detail as an edge. drywall... Due to ignorance of the nuances while working with this material, people often have a question: "Is it necessary to cut the edge of the drywall?" So, if it is not cut beforehand before installation, then soon after the repair, the walls will be covered with cracks and begin to deform. Let's look at where drywall is used, why cut it and how to carry out the procedure.

What does a drywall edge look like?

Scope of drywall

Due to its unique characteristics, this material is indispensable in a number of repair and construction works. So, drywall sheets are used for the following manipulations:

• Installation of interior partitions;

Plasterboard interior partition

• Alignment of ceilings, walls;
• House insulation;

Warming the house with plasterboard

• Home soundproofing;
• Reconstruction of existing partitions;
• Filling empty openings;
• Creation of architectural compositions, arches, decorations.

Drywall arch

As we can see, drywall is really irreplaceable when it comes to building walls and renovating existing ones. In addition, it has a high level of heat and sound insulation, which makes it more demanded in the modern market of goods for repair. Now let's find out if it is necessary to trim the drywall edge.

Related article:

Drywall: sheet dimensions, thickness and price. From a separate publication, you will learn about the types and production of gypsum board, technical characteristics, prices and manufacturers.

Why trim drywall edges?

Almost all gypsum plasterboard manufacturers trim their products with an edge that is located along the longest side of the sheet.As a rule, the edge of the edge has a minimum thickness, so that after the repair, the walls can be repaired with putty or any other facing material. However, when covering walls in several layers, the edge must be cut. This is done to prevent cracking and deterioration of the surface. Under the weight of additional sheets, drywall begins to deteriorate.

GKL edge types

According to the specialists of the Knauf company, the durability and uninterrupted service of drywall is ensured by correct trimming. Now you know if you need to cut the drywall edge. But how to do that?

Drywall cutting methods

It often happens that the dimensions of the drywall sheet are too large: its dimensions simply do not fit into the room where it will be installed. Also, during repairs, it is often necessary to cut out small parts for the ceiling, niche, walls, etc. In this case it is necessary to cut the edge of the material. It is worth considering that if you carry out the procedure yourself, you will get a straight cut edge that does not require further technical processing.

There are two ways to trim drywall edges, let's take a look at them one by one:

• For the first technology, you will need an edge plane. It is always much easier for them to perform the procedure, as it makes the edge as clear and even as possible. Cut drywall sheets on a horizontal surface, in no case keep the material in the air or apply it to the wall. Chamfer trims are performed at a 22.5 degree angle, which is the optimal edge size for drywall. Chamfering in no case should be performed with sandpaper or a kitchen float: such manipulations can damage the drywall sheet;

Edge planer

Planer trimming process

• The second technology for cutting drywall is carried out using an assembly knife. Mark the line you will cut on the sheet and lay the material on a flat, horizontal surface. If you are performing the procedure on a table, the notch line should extend beyond the table top to prevent damage. After positioning the sheet, cut the sheet along the line that you previously drew. To permanently tear the cut drywall pieces apart, carefully take one side along the break line and tap on it. To make the edge look neat, it should be finished with an electric plane after trimming.

Drywall sheet cutting process

How to properly separate drywall halves

Now you know for sure whether it is necessary to trim the edges of the drywall before installing it.

conclusions

• Despite all its positive qualities, drywall is a rather fragile material that, if improperly processed, can be badly damaged;
• Before installing drywall sheets in the room, it is imperative to cut the edge so that subsequently no cracks and damage appear on the walls;
• Trimming the edge of a drywall sheet is done using either an edge planer or an assembly knife.

This video shows the step-by-step process for cutting drywall:

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See also:

Profile for drywall: sizes and types, areas of application Do it yourself drywall partitions - step by step instructions Plaster and putty - what's the difference? Specifications, sizes and prices of foam blocks How to choose drywall: sheet dimensions, thickness and price GKL - what is it. GVL, GKLV and other types with comparative characteristics