05/04/20

Use of foam for PVC windows installation.

All the wonderful properties of PVC windows are ensured due to high integrity of those structures. In order to keep the tightness it is extremely important to provide neat and proper installation. When installing foam is used for sealing joints. Polyurethane foam is used for PVC windows and doors during the installation phase. It is also used for sealing joints, cracks and seams. In addition, it is possible to fill voids in the structures. Mounting foam is a very necessary building material, it provides sealing, insulation, sealing and sound insulation.
Due to the mounting foam cement, tow and bitumen can be abandoned. For example, PVC windows installing without foam can not be done. This building material was invented more than 50 years ago by English chemists. It consists of polyurethane foam, isocyanate and polyol, which are extracted from oil.
There are several kinds of mounting foam, which are divided by temperature, season, fuel level, release form, scope of use, etc.
To buy 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. Do not apply too much as it increases in volume and completely dries within 7 hours.