Weber - KS112 adhesive mortar for expanded polystyrene

Weber KS112 adhesive mortar is a product supplied in the form of a dry powder mixture, ready for use after mixing with water at the construction site.

Application

• Fixing polystyrene insulation boards (EPS) in the systems weber.therm WS, weber.therm DECOR, weber.therm WINTER
• Leveling up slight unevenness in the substrate
• Fastening light architectural details, e.g. decorative profiles

Properties

• frost-proof and waterproof after setting
• very good adhesion to the substrate and polystyrene

Substrate preparation

The substrate should be stable, load-bearing, dry, grease-free, frost-free, dust-free, free from efflorescence in salt and loose parts. In the case of building insulation with concrete sandwich panels, it is necessary to assess the condition of the texture layer. The putty filling the joints between the boards must not come into contact with polystyrene. The plaster fragments with poor adhesion should be removed and filled with Weber KS112 adhesive mortar. Strongly absorbent and sanded surfaces should be thoroughly cleaned and primed with PG229 deep penetrating weber primer. Smooth surfaces should be thoroughly cleaned and primed with a primer with the addition of PG215 quartz sand Weber.