Roof encapsulation in progress: yellow spray foam with depth pins beside a light-grey polyurea membrane, mountains on the horizon
Knowledge, Roofs

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Rayston Spray Foam HFO 40 (rigid polyurethane foam), Rayston Flex 3040 (polyurethane sealant) and Impermax Polyurea H Flex Alum (hybrid polyurea with aluminium pigments).