Roughcast System with Dry Dash finish and extra preparation done to old, stonework substrate.
Project done for Bethany Christian Trust, Leith, Edinburgh.
ROUGHCAST / DRY DASH SYSTEM AS FOLLOWS:
-hammer test to find all the hollow/boss areas in existing wall covering
-removing all defective areas
-exact cleaning and washing of the stonework substrate
-fungiwash
-special, dep penetrating bonding agent
-dubbing out to bring the level up
-proper, deep-penetrating bonding agent
-PVC beads and trims (1st fix)
-base coat adhesive render (modern, strong and specially enhanced/reinforced, breathable render)
-fibreglass mesh properly embedded in the base coat render
-extra mesh to all the corners of all the openings (stress patches)
-system fixings (if required only) (50mm, large, flat-heads, PVC fixings to mechanical tie the base coat and mesh to the substrate)
-PVC beads and trims (2nd fix)
-scratching the surface
-white or coloured dash receiver / exposed render (modern, polymer enhanced, render compoud specially designed to receive the stones/chips/agregates)
-white or other (various selection) chips/stones/agregates
-low modulus, external quality mastic sealants (all around the system)
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