Imperflex® SA Cap and Base Sheets
Imperflex® MSA (1.0 Square Cap Sheet)
Imperflex® MSA is a mineral-surfaced SBS modified bitumen cap sheet used to complete the Imperflex® roof system. Imperflex® MSA is coated with factory-installed, colored ceramic-coated roof granules, providing protection from UV degradation. Covers approximately 1.0 square.
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Imperflex® USA (1.5 Square Coverage)
Imperflex® USA is a smooth-surfaced SBS modified bitumen base sheet designed specifically for use in Imperflex® roof systems. This versatile product can also be used as an underlayment and for waterproofing below-grade foundations, footings and basements. Covers approximately 1.5 squares.
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Imperflex® SA2 (2.0 Square Coverage)
Imperflex® SA2 is a smooth-surfaced SBS modified bitumen base sheet designed specifically for use in Imperflex® roof systems. This versatile product can also be used as an underlayment and for waterproofing below-grade foundations, footings and basements. Covers approximately 2.0 squares.
