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Mapetherm XPS external thermal insulation system eta 21/0946

Old Building

Façade

External thermal insulation system

Application steps

Discover the application steps, the products used for this solution and other alternative products.

1

Brick masonry

2

Render

3

Adhesive

MAPETHERM AR1

Apply an even layer of the adhesive with a notched trowel on the back of the insulating panels. If the substrate is not sufficiently flat, apply the adhesive in beads and spots to cover at least 40% of the bonding surface.

4

Insulating panel
EXTRUDED EXPANDED POLYSTYRENE - XPS

Position the panels on the substrate in horizontal rows with the joints between the panels staggered at the midpoint of their longest side.

5

Fastener
MAPETHERM-EJOTHERM S1

Insert the fasteners into the set adhesive until they reach the load-bearing portion of the substrate.

6

Skimming mortar

MAPETHERM AR1

Apply two successive layers of the skimming mortar to form a layer 4-5 mm thick.

7

Glass fibre mesh

MAPETHERM NET

Place the reinforcing mesh on the first layer of skimming mortar while still fresh, overlapping adjacent pieces of mesh by at least 10 cm.

8

Acrylic undercoat

QUARZOLITE BASE COAT

Once the skimming mortar has cured apply a coat of undercoat with a brush, roller or by spray (not airless).

9

Elastomeric coating

ELASTOCOLOR TONACHINO PLUS

Apply one or two coats of finish, according to the texture of the surface, with a stainless steel trowel.
Finish off the surface with a sponge or plastic float.