The extension consists of a horizontal top bar and a pair of vertical posts.

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Its main purpose is to expand the door frame and make the “coverage area” of the door frame larger.

They are made of MDF, solid wood and fibreboard. Such ready-made planks can be purchased separately or together with the door itself. They do not have any super-complex design, and even a non-specialist will be able to master their manufacture from wood boards or other lumber.

Installation methods
The extension piece is assembled from bahamas mobile database elements into a structure resembling a “P” letter.

It can be attached:

to the wall in the area of ​​the door opening;
directly to the door frame;
on a special mounting beam located between the extension and the vertical planes of the opening.
The extension will not have to withstand strong mechanical loads, so in some cases liquid nails are sufficient to fix it in a special recess. But more often galvanized screws are used to fasten it. If the fastening is carried out from the face, the fastening caps are covered with specially selected plugs or mastics.

Advantages
High speed of installation and construction of a door block, extended with extensions.
No “wet” finishing processes are used for installation, which are unfavorable for wooden materials.
Increasing the time period between repairs.
Improve the aesthetics of the door frame by giving a respectable and holistic impression to the door frame.