Description
Spray insulations made by applying polyurethane foam have been gaining popularity for several years. Find out the advantages and disadvantages of polyurethane foam, competition for polystyrene and wool.
Many parts of the house, from the foundations to the roof, can be insulated by spraying. This is one of the fastest insulation methods.
Polyurethane foam (PUR) is a material produced at the construction site from ready-made ingredients and applied with a special aggregate. Contrary to making insulation with wool or polystyrene, we will not apply polyurethane foam ourselves, due to the lack of appropriate equipment and ignorance of foam production technology.
Properties
- Application density: 8-12 kg / m3
- Reaction to fire class: E.
- Self-extinguishing product: Yes
- Thermal conductivity: 0.034 – 0.038 W / mK
- Open cells: 80-90%
- Sound absorption class: D, αw = 0.5
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