They may use Unique weld pins with integral-cupped head washers. Unfaced boards can then be finished with reinforced insulating cement, canvas, or weatherproof mastic. Faced boards might be set up in a similar way, and the joints concerning boards sealed with stress-sensitive tape or glass material and mastic. To judge https://freeecogrants.co.uk/4-reasons-to-apply-for-the-eco-grants/