Combo roof System deals with the combination of Waterproofing, thermal insulation, and finishing of roof. It is a comprehensive system which can be in a fastest way to insulate and waterproof the entire roof area.
The two (2) components of the polyurethane material Polyol and Iso PMDI will be mixed at 1:1 by volume as per the manufacturer’s instruction through the aid of the specified spray machine. Using the spray foam machine spray the mixture of PUR foam Polyol and PMDI on the prepared substrate. The spraying will be done in horizontal or vertical directions in layers prior to achieving a thickness.
The spray polyurethane foam will be extended at the vertical areas After reaching the required thickness of the thermal insulation, and to be terminated at a maximum height of 15.0 cm.
Immediately, using brush or roller, apply the first coat of single component acrylic based high flexible elastomeric water-proof coating RBE to the entire surface of the polyurethane foam. RBE will be allowed to dry for 8 hours minimum (depending on site condition) prior to hours (maximum) water test.
