Sealant for the roof and external works

Roofing sealant is made on the basis of bitumen, by which it can be put on a wet surface. Service lines - 15-20 years at a temperature of -50 to +150 ° C. But, despite the unpretentious roof sealant, put it best when zero temperature, a thin layer (so that it dries faster) to dry "roof doctor" should be about two weeks. Consumption as well as the rest of sealants, depending on the size of cracks. And the price, as often happens today - mainly from the manufacturer. Can not do without the sealant and to solve other problems, for example, at upsetting the house walls and foundations give small cracks. They can be patched up. Best of all - the building facade or sealant. As for the latter - with no difficulty: it is exclusively bituminous (ie his base of bitumen). Such a sealant can be put on wet surfaces. Because bitumen is known to be not afraid of water and laying on the wet surface adheres well to it, although if the sealant manufacturer's questionable, then it is better to use in dry weather. But with construction sealant experts advise to be more attentive. It is not as simple as it seems. There are two varieties of it: for domestic work (based on polybutene) and external (on the basis of bitumen). To repair the foundation and walls need to use the asphalt. A polibutilovy suitable for sealing joints in sewer systems, greenhouses. But it can not be used in a residential area, because it releases harmful substances. Facade sealant within 48 hours forms a crust, but not harden completely. Prior to the complete curing must pass at least two weeks, depending on weather conditions. What else is good construction sealants - is that they contain an antifungal component, perfectly protect against rot. When using the building and the facade of sealants, as though other pondobitsya table sealants sealant flow during grouting (at the rate of 310 ml in a single cartridge) * Joint width (H) Depth of seam (vertical) 3 mm 4 mm 6 mm 8 mm 10 mm 12 mm 15 mm 20 mm 25 mm 4 mm 25 m 18 m 13 m 10 m 7 m 6 m 5 m 3.5 m - 5 mm 20 m 15 m 10 m 7 m 6 m 5 m 4 m 3 m - 6 mm 16 m 13 m 8 m 6 m 5 m 4 m 3,25 m 2,25 m - 8 mm 13 m 10 m 6 m 5 m 4 m 3 m 2,5 m 1,75 m - 10 mm 10 m 8 m 5 m 4 m 3 m 2 m 2 m 1,5 m 1,25 m * For example, when the crack depth of 4 mm and 3 mm wide 310 ml of sealant will last for 25 meters.