Wall Insulation Materials: Less Add Flame Retardants In Order To Save Costs

Fire of Shanghai high-rise apartment and the China Science Museum Hall

, this shocking fire is related with the humble wall insulation materials.

One ton of oil can save one ton of insulation materials a year.

A high-rise building is being installed wall insulation materials, white "foam" board could be visible everywhere. Workers have been sticking a block of foam board in outer wall, then adding a layer of cement, insulation layer is completed. One worker told reporters, during as construction worker he handling the construction work basically with this insulation material.

According to the energy efficiency standards promulgated by the country's construction sector, since October 1, 2001, the residential district must be forced to do the external wall insulation layer. "Eleventh Five-Year" period, only Jinan City has 19 million square meters of insulation layer transformation tasks. At present, China is facing severe pressure on energy conservation, building energy efficiency is the most important areas for energy conservation and responded to climate change. According to the national building energy efficiency standards, relative to the region in 1981, public buildings should achieve more than 50% energy saving, civil construction to achieve more than 65% energy saving.

External wall insulation layer is carried out of important measures in this context, with insulation layer is like wearing a coat for the building, which can significantly reduce the energy consumption, therefore, external wall insulation layer is an essential part of the construction.

While media reports, every one ton of insulation materials in the construction can save ton of oil a year. Industrial equipment and pipe insulation adopts good thermal insulation measures and materials, which can reduce about 95% of heat loss. Investment in insulation materials typically can be recovered through energy savings about a year.

Fire hazards, fire fast but also produce large amounts of toxic gases

When heard reporters are inquiring wall insulation material, a shopkeeper come up with an inlaid insulation material of insulation layer template, now almost use it. This template, the outer layer is smeared special mortar of decorative tiles, followed by a layer of mesh cloth, a layer of mortar, then is the core insulation material board. Pasted it to the exterior wall of the building body to form a complete insulation layer. , the owner said, this insulation layer of the unit price from 200 yuan / cubic meter to 300 yuan / cubic meter range.

The owner said external insulation materials are divided into inorganic and organic two categories. The domestic almost use polystyrene board (EPS) or extruded polystyrene board (XPS), referred to as polystyrene board, belonging to the organic insulation materials, similar to the foam board. However, these materials are highly flammable, and there are a lot of fire hazards, once burning, not only fire fast, and will produce a lot of toxic gases.

by: loveboa

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