The thermal insulation layer obtained thanks to sprayed polyurethane foam will last for at least five decades
, and its properties (high strength, moisture resistance, non-toxicity, environmentally friendly), structure and shape remain the same as immediately after installation.
it is worth mentioning the significant savings in space consumed when using other types of insulation. As for the costs of specialist services, they can also be eliminated if you do the insulation yourself.
For even greater savings
, do not purchase large volume cylinders. An intentional or forced break in operation exceeding 1 month leads to the need to purchase a new spraying unit. The device that was in new zealand mobile database becomes unusable.
How Polyurethane Foam Is Made Basic Principle
The production of polyurethane foam involves a very complex technological process. The polyurethane foam mass is formed as a result of the reaction between polyol and diisocyanate or polymer isocyanate in the presence of certain catalysts and other additives. Since the polyurethane foam itself must be produced immediately before pouring or spraying, the manufacturer supplies two phases of the polyurethane foam mixture in separate containers. The phases are mixed in special installations before the work is carried out. This is what happens when the two phases are mixed:
Due to the diversity of isocyanates and the huge range of polyols, it is possible to obtain polyurethanes with various properties and areas of application. This can be elastic foam, rigid foam, elastomer, etc. It is impossible to know everything about the production of polyurethane foam, since the exact formulation of the phases is kept secret by manufacturers. Even with all the necessary components, an experienced chemist will have to spend a long time selecting the right proportions to ensure the required properties of the mixture.