They might also use Distinctive weld pins with integral-cupped head washers. Unfaced boards can then be concluded with bolstered insulating cement, canvas, or weatherproof mastic. Confronted boards is often mounted in the exact same way, and the joints between boards sealed with strain-sensitive tape or glass fabric and mastic. Weatherization https://freeecogrants.co.uk/how-to-insulate-the-roof-of-your-uk-home-with-100-grants/