They may also use Particular weld pins with integral-cupped head washers. Unfaced boards can then be completed with reinforced insulating cement, canvas, or weatherproof mastic. Confronted boards can be put in in exactly the same way, plus the joints involving boards sealed with tension-sensitive tape or glass fabric and mastic. https://freeecogrants.co.uk/what-are-the-necessities-of-external-wall-insulation-in-your-property/