Where you can not use assembly foam

Polyurethane foam is increasingly used to seal gaps of 3 cm. in the walls, door and window frames, insulation of pipes, insulation of walls, floors, roofs and so on. d. It is not replaceable in the repair and construction. Foam is sold in DIY stores in metal cylinders.

Expanding foam fills in hard to reach places, crevices. Instead of foam used to tow used with cement. It was inconvenient and time for a long time. Pena simplified work process several times.

It is impossible to heat the foam spray near an open flame. Work in a well-ventilated room. Zapenivat slit need not more than 50%. In operation, hold the can upside down.

Where should not be used in the assembly foam?

Wizards do not recommend its use in the bath. Pena is well absorbs moisture. In this environment, the microbes multiply. The sudden changes in bath temperature and the foam can not withstand this.

Normally closed foam cement or plaster. In the bath, it will not do. If you finish the bath - wall paneling, even between the materials necessary to leave a gap for all ventilated and breathable. If you do not lining starts to rot.

Frozen foam

Buy foam according to season. There are winter and summer sales. surface when using the foam can not be wet winter. Winter also recommended to heat the balloon lowering it into the basin with hot water and working at temperatures below minus 10 degrees.

Foam Penoplex

Is on sale universal (all season) foam. In its structure contains toluene, which is incompatible with Penoplex. You can not use a foam that does not damage the material. When choosing a look that up. If toluene, then select a different foam.

Sealing foam transition chimney

For sealing holes when installing the chimney is not recommended to even use a heat-resistant foam. It carries a heat-resistant protection. It is not fire resistant and fire will burn out.

Ultraviolet

The foam is afraid of the action of ultraviolet radiation. It must be sealed with paint, plaster, sew the material, putty and so on. D. If a couple of years will stand in the sun, it begins to crumble.

Can I zapenit gap between the beam?

Wizards do not advise to do it in the open bars. If the house has stood for some time, it is possible. Some argue that it is impossible to seal the joints between the crowns of log home. It is better to close up the gap with moss, flax, to not accumulate condensate.

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