They also can use Particular weld pins with integral-cupped head washers. Unfaced boards can then be finished with reinforced insulating cement, canvas, or weatherproof mastic. Confronted boards can be put in in precisely the same way, along with the joints in between boards sealed with strain-sensitive tape or glass fabric https://freeecogrants.co.uk/why-should-you-apply-for-different-types-of-home-insulation-grants-from-eco/