They could also use Unique weld pins with integral-cupped head washers. Unfaced boards can then be concluded with bolstered insulating cement, canvas, or weatherproof mastic. Confronted boards may be put in in the same way, and also the joints in between boards sealed with tension-sensitive tape or glass cloth and https://freeecogrants.co.uk/how-to-insulate-the-roof-of-your-uk-home-with-100-grants/