Waterproofing canvas
On window blocks, to protect the seams, most often use materials for compaction from polyisobulene. The canvases are indispensable in the mating of those building elements that differ in multi -layer. In areas in which complete tightness is necessary for a long time, it is recommended to apply protection of a mechanical nature. The resistance of the canvases from polymers is so strong that when using them on the street, the execution of additional compensating holes will be required. Basically, the use of paintings can be sufficient to seal the upper internoveting of the window and the lower.
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