They also can use Specific weld pins with integral-cupped head washers. Unfaced boards can then be concluded with strengthened insulating cement, canvas, or weatherproof mastic. Faced boards might be installed in the identical way, and also the joints in between boards sealed with strain-delicate tape or glass material and mastic. https://freeecogrants.co.uk/what-are-the-necessities-of-external-wall-insulation-in-your-property/