
2023 Author: Philip Bishop | [email protected]. Last modified: 2023-08-25 07:54

The arch in the interior opening is mounted after dismantling the door and partition. It is also necessary to level the walls with plasterboard or plaster. Then the drywall profiles are mounted on the leveled surface. For this, holes must be drilled at the end of the opening. Straight horizontal and vertical profiles are fixed with dowels and self-tapping screws with a pitch of 10 cm. The profiles must be mounted with a recess so that the drywall is in the same plane with the wall.
The arch consists of three parts - two arched planes with carved semicircles and a lower curved strip of drywall between them. For planes, it is better to use drywall 12 cm thick, and for the lower part - 10 cm. The width of the drywall sheet from which the arch is cut should be slightly larger than the width of the opening. The contour of the arch is a semicircle, the diameter is equal to the width of the doorway.
A flexible plastic sill can be used to outline the arch. Having fixed it in the corners, draw the outline of the arch through the center of a rectangular sheet of drywall. Cutting is most convenient with a jigsaw. The resulting planes of the arch are fastened to the guide profiles with self-tapping screws. Below you can see a video on how to make a drywall arch with your own hands, a visual and detailed instruction.
For the lower curved part of the arch, we also install a guide profile. On the walls of the profile, cuts are preliminarily made (you can use metal scissors) with a step of 3 cm - 5 cm, depending on the radius of curvature. Now the profile can be easily bent and screwed to the main structure with self-tapping screws.

Then we cut a strip of drywall to size. To bend it with the required radius, punctures are made on one side. For this it is convenient to use a needle roller, but you can also use an awl. After that, the strip must be wetted with water. With a moistened wide brush, you need to walk over the surface of the drywall 3 times. Then we put the strip at an angle, for example, resting it on a stool, and leave it for a while. A wet strip of drywall bends under its own weight. The resulting curved strip is mounted to the main structure with self-tapping screws.
All screw caps must be recessed into drywall. A perforated corner is fixed along the contour of the finished arch. After that, the entire structure is primed and putty. After the putty has completely dried, the surface is sanded. Now the arch is ready for further finishing work: painting, wallpapering the walls, etc. We watch the video and fix the material.
Video how to properly wet and bend drywall

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