22/12/19

The use of foam.

All the wonderful properties of PVC Windows are provided due to the high tightness of these structures. To ensure that the integrity is preserved is extremely important neat and proper installation. During installation to seal the joints using polyurethane foam. Installation foam is used for PVC Windows and doors during installation. It is also used for sealing joints, cracks and seams. In addition, it can fill voids in structures. Installation foam is a very necessary building material, it provides sealing, insulation, sealing and noise insulation.
Due to the mounting pins can be freely retracted from the cement, oakum and bitumen. For example, when installing PVC Windows without foam can not do. This building material was invented more than 50 years ago by English scientists-chemists. It consists of polyurethane foam, isocyanate and polyol, which are extracted from oil.
There are several types of foam, which are divided by temperature, season, level of Flammability, form of production, scope of use, etc.
To purchase high-quality mounting foam should take into account all of the above characteristics.
It is recommended to shake the can before use, and apply the foam to a damp place. It is not necessary to apply a lot, as it increases in volume, it will dry completely in 7 hours.