Roof surface preparation for new construction & reroofing consists of cleaning of all surfaces and priming where necessary.
Application of NCFI Polyurethane Foam.
The full specified thickness of foam is sprayed on the same day. Thickness may be increased to improve the roofs existing water drainage. Spraying is done by a fully qualified applicator experienced in the use of polyurethane spray equipment.
Edge Coating & Gravel Surfacing.
Edges and vertical surfaces (where gravel will not adhere) are coated with NCFI Roof & Sidewall Coating by brush, roller or spray application. Gravel is applied to completely cover the roof to achieve a thickness of 3/4 to 1 inch.
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