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. Confronted boards could be mounted in the same way, and the joints concerning boards sealed with strain-sensitive tape or glass material and mastic. Loft insulation https://freeecogrants.co.uk/types-of-grants-you-can-apply-from-eco-grants-uk/