They may also use Specific weld pins with integral-cupped head washers. Unfaced boards can then be concluded with bolstered insulating cement, canvas, or weatherproof mastic. Faced boards may be set up in a similar way, and also the joints amongst boards sealed with stress-delicate tape or glass cloth and mastic. https://freeecogrants.co.uk/top-benefits-of-external-wall-insulation-of-your-property/