They may use Particular weld pins with integral-cupped head washers. Unfaced boards can then be concluded with strengthened insulating cement, canvas, or weatherproof mastic. Faced boards can be mounted in the identical way, as well as joints amongst boards sealed with force-sensitive tape or glass material and mastic. Energy efficiency https://freeecogrants.co.uk/4-ways-to-spot-the-best-home-insulation-company/