how to make an arch from plasterboard. Formula for calculating the radius and the entire installa...

Опубликовано: 02 Июнь 2026
на канале: ProMontaj
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how to make a plasterboard arch with your own hands, one of the installation options.

Form: arch with stepped angles, gypsum half-columns (pilasters) will fit under the corners.
To calculate the unknown radius, a formula is given for calculating at three points of the circle:
R=(H:2)+(С*С)/8H, where С is the length of the segment, H is the height of the segment.
The entire installation of a plasterboard arch from start to finish, without finishing.

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