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How to install a partition wall for good insulation and efficient thermal doubling: gestures explained step-by-step.

Thermal doubling: laying a counter-partition

Spot locations

Spot locations

Draw the location of the insulating partition on the floor and on the walls.
Draw the surface to be glued to allow a good adhesion of the glue.

Glue and place the tiles

Glue and place the tiles

Glue the sides of a first entire tile.
Place it against the wall (if necessary, lay a resilient tape).
Then nest the next tile.

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Attention to the alignment of the tiles

Attention to the alignment of the tiles

Make the first row by regularly checking the alignment of the gypsum tiles relative to each other with a metal ruler.

Lay the second row

Lay the second row

Start the second row with a half-tile cut into two equal parts.
After gluing and fitting, check the plumb with a spirit level.

Slide insulation boards

Slide insulation boards

Rigid insulation panels are simply slid between the wall and the plasterboard bulkhead.

Provide a strip of cork

Provide a strip of cork

In the upper part, the last tile must leave a free space of about 3 cm in order to slide a resilient cork strip.

Seal the defects

Seal the defects

The joints, the thickened edges and the misalignments are then clogged with the remainder of glue and with filler.


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