Sopramastic
Sopramastic is the detailing mastic of the Sopraseal system, sealing terminations, fasteners and awkward transitions the membranes cannot wrap cleanly. Using the system mastic keeps warranties and compatibility intact. Tubes and pails in stock.
Made by Soprema
Soprema is a global leader in building envelope solutions, offering high-performance air barriers, waterproofing membranes, and protective coatings for commercial and residential construction. Renowned for durability and innovation, Soprema products prevent air and moisture intrusion, enhance energy efficiency, and extend the life of structures.
Where this product fits
- Stocked at or transferred between all six branches
- Volume pricing by the case or pallet
- Product specialists to confirm fit for your application
Other membrane detailing sealants we carry
Same type of product from other manufacturers, all supplied through our branches. Our specialists can help match movement capability, colour and substrate.
BES 925 Sealant
BES 925 is Henry’s single-component sealant engineered to work with Blueskin membranes for terminations, laps and detail work.
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Lap Sealants
Lap sealant finishes exposed membrane edges and terminations, sealing the last line where water probes hardest.
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Protecto Wrap PW JS 160 Mastic
Protecto Wrap PW JS 160 is a trowel- and gun-grade mastic used to seal terminations, laps and details in Protecto Wrap membrane systems.
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Chem Link Pourable Sealers
Chem Link pourable sealers self-level into pitch pans and irregular penetrations on roofs to lock out water where flashing alone will not seal.
View productBakor Polybitume
Polybitume is a trowel- and gun-grade rubberized bituminous mastic from the Bakor line, now part of Henry, used to seal, patch and detail around below-grade waterproofing and flashings.
View productNot sure which sealant fits your joint? Tell us the substrates, joint size and expected movement and a product specialist will recommend one.
Ask a specialist