Sentences with phrase «mm pea gravel»

Flat roof: 50 mm pea gravel finish on Geotextile membrane, on Resitrix EPDM single ply membrane, on 75 mm Dow Roofmate insulation, on 22 mm WBP plywood, on 200 x 50 metal web joists at 400 centres, with 200 mm mineral wool fitted between metal web over Intello with sealed joints, on 12.5 mm plasterboard and hardwall skim coat.