ROOFING & WATERPROOFING
Description USD
I- BITUMINOUS MEMBRANE WATERPROOFING  
Prepare surfaces, supply and apply waterproofing system:  
A- Cement and leveling screed laid to falls and cross falls (average thickness 70mm) 14-15/m2
B- 40mm x 40mm triangular cement and sand angle fillet to roof concrete upstand 4/Im
C- 50mm thick extruded polystyrene rigid insulation boards (35kg/m_ density) 20/m2
D- Ditto, 20mm thick fixed vertically to external walls 10/m2
E- 1,000 gauge polyethylene sheets laid horizontally including overlaps 3/m2
F- 4mm single ply APP (polypropylene and polyester) modified bitumen waterproofing membrane 10/m2
G- Anti-root membrane (single layer) 12/m2
H- Geotextile filter membrane including overlaps (105g/m2 density) 3/m2
I- 50mm thick gravel bed 6/m2
   
II- SHEET MEMBRANE WATERPROOFING  
A- Supply and apply EPDM membrane rubber elastomeric waterproofing membrane 1.5mm thick, lose-laid on concrete flat roof with 150mm overlaps, fully adhered by means of bonding adhesive, area of concrete not less than 1,500m2 20/m2
B- Supply and apply EPDM membrane flashing to roof parapet/upstands, (1.5mm) thick, 250mm average height, fully bonded with bonding adhesive 12/Im
C- Supply and fix aluminum strip bar 3mm thick x  25mm girth including Sealant pointing to upper ends of parapet skirting upstands 10/m2
D- Supply and install extruded polypropylene boards, 2mm minimum thickness, lose laid 5/m2
E- 50mm thick gravel bed  5/m2
   
III- FLUID APPLIED WATERPROOFING   
Parking areas  
A- Surface preparation of concrete surfaces and substrate receiving the polyurethane fluid applied waterproofing  25/m2                 
B- Supply and apply vapor barrier, water-based material, imported from the USA 8/m2
C- Supply and apply polyurethane liquid, cold applied membrane for parking areas 40/m2
VAT excluded
Last updated on July 2008