Than to close up the seam, a crack in concrete

Concrete monolithic, durable building material. However, the moisture - the main enemy of the concrete. Material destroyed by temperature difference. There are cracks in the concrete, in which moisture can penetrate and finally destroy the durable material. Moisture can easily fungus or mold appears. These problems can handle sealer for concrete.

Concrete Sealant is 2 types: penetrating and superficial. Sealants can be as one and two-component. Types of Sealants: acrylic, rubber, silicate, silicone, bitumen and polymer. This is much better than to seal cracks, cracked concrete solution.

Acrylic (The most eco-friendly) and polyurethane sealant with a long service life.

Specialists for sealing recommend the use of these sealants (polyurethane or acrylic). Acrylic - a "fixed" hard sealant. Seizes acrylic sealant after 15 minutes, but the complete freezing occurs within 3 weeks.

polyurethane Sealant elastic and expands upon expansion crack itself.

Grasping this type of sealant is through 1 hr. But complete hardening after 7 hours (at a thickness of 1 mm.).

Now sold even colored sealants. Cons of using sealants for concrete that does not properly apply another coat of sealant. You must first clear the crack of the old sealant.

Sealants UV resistance to all weather conditions, durability, excellent adhesion, water vapor permeability, flexibility - not all the pluses. Before application need not further process the surface (primed).

Sealants are sold in buckets, tubes, cartridges, tubes. Apply sealant with a spatula, using the building gun or brush.

The sealant for concrete is used for sealing cracks, joints in floors, walls, various defects.

High temperature (Refractory) sealant used in the occurrence of cracks in the seams of the furnace masonry and the bricks themselves. Traditionally, cracks in furnaces plastered with clay or cement mortar. But now there is a new means of high germitizatsii - sealant.

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