Many people choose wooden houses when building, and the thermal insulation and moisture-proof performance of wooden houses are issues that must be addressed.
Firstly, there are two forms of heat transfer, thermal radiation and thermal conduction. When the sun shines directly on the roof, it absorbs light energy and becomes hot. As the indoor air contacts the wall, the temperature increases and the indoor air becomes hot. This is heat conduction, and the insulation problem is to find ways to isolate the heat transfer. The double-sided aluminum foil phenolic foam board is used for wall insulation. The surface composite aluminum foil effectively reflects heat radiation, and the thermal conductivity of the phenolic board is as low as 0.025. The embossed aluminum foil phenolic insulation board not only has a beautiful appearance, but also is a closed cell foam structure. The phenolic molecules will form a vacuum insulation layer, effectively isolating cold, hot air and moisture in the air, locking the temperature inside the house, without aging, shrinkage, waterproof and moisture-proof. It is an excellent choice for wall insulation.
The commonly used insulation materials for walls and roofs on the market now include extruded plastic board, polystyrene board, polyurethane board, and phenolic board. The price of extruded board and polystyrene board will be cheeper than that of polyurethan board and phenolic board, but the thermal insulation and fire resistance are lower than those of polyurethan board and phenolic board. In terms of thermal insulation effect, polyurethan board and phenolic board are equivalent The R value of 10cm thick board at room temperature is 5, and the thermal conductivity is about 0.025 How, for the polyurethane board and phenolic board with the same fire protection grade of B1, the polyurethane board needs to be added with a large amount of flame retardant, and the price will be relatively higher The fire resistance of phenolic is derived from genes. Because it is hard foam, its structure is stable, and it will not deform at high temperature and low temperature, which will not affect normal use. After combustion, it can be seen that there is a clear difference. Extruded plastic board, polystyrene board, and polyurethane board will contract when exposed to fire, producing smoke, especially polyurethane board.
Therefore, from all aspects, phenolic foam board is the best choice for thermal insulation and moisture-proof of wooden houses.
Post time: Jun-14-2023