BK-StirolFix 1

Flexible adhesive for bonding EPS, EPS G and MW boards and mesh reinforcement.

BK-StirolFix 1

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USE

Mineral flexible adhesive intended for bonding styrofoam (EPS boards), graphite styrofoam, EPS G boards as well as mineral wool boards (MW boards) to solid facade surfaces, as well as for embedding the reinforcement mesh and for leveling the entire facade surface. BK-StirolFix 1 is used as an adhesive for bonding and as a base coat, i.e. adhesive for reinforcement within both BEKATHERM thermal insulation systems (BEKATHERM Standard system with EPS thermal insulation boards and BEKATHERM Prestige with MW boards).

PREPARATION AND APPLICATION

The substrate to which the adhesive is applied must be solid, clean, durable, free from efflorescence, oil residues or paint. Smooth, poorly absorbent concretes, with residual dirt from the formwork, must be cleaned by hot water jet and then primed with BK-BetonKontakt. It is not necessary to apply a primer on new brick walls. In the case of bonding the panels to the walls of aerated concrete, coating with BK-Nivelator is recommended in accordance with the instruction manual. The preparation is performed by adding the powder in about 26-28% of water (6,5-7 l of water for 25 kg of product) until complete homogenization. Leave the mass to rest for about 10 minutes and then stir again to obtain an adhesive of appropriate density. The prepared adhesive is applied to thermal insulation boards (along the entire perimeter of the board and dotted in the middle), and then the boards are bonded on substrate by pressing. When reinforcing, the adhesive is applied with a serrated steel trowel (tooth size 8-10 mm) on dedustedstyrofoam surface, and then the reinforced mesh is pressed into such adhesive from down upwards (min. 10 cm of overlap between the mesh strips). After drying, the entire surface is leveled with a new layer of adhesive, so that the total thickness of the final layer of adhesive is 4-5 mm. The adhesive should be protected from premature drying and freezing. When bonding MW boards, the entire surface of the board must be coated with a thin layer of adhesive. The adhesive is then applied over the entire perimeter of the MW board with the addition of three points in the middle. In further work, follow the same rules mentioned in the section on EPS boards bonding. See product datasheet for more detailed instructions.

TECHNICAL DATA

Optimal weather conditions: Substrate and air temperatures from +5°C to +30°C. Possible to embed reinforcement mesh: after min. 48 hours. Possible to apply finishing coats: after min. 7 days.

APPROXIMATE CONSUMPTION OF MATERIALS

about 5-6.5 kg/m² for bonding (depending on the material bonded) and about 5-7 kg/m² for leveling.

SHELF LIFE AND STORAGE

12 months in original packaging in dry room on pallets.

PACKAGE

25 kg.