Alsan Flashing
Alsan Flashing is a liquid-applied flashing resin that waterproofs drains, posts, and complex penetrations without sheet-metal gymnastics. Brush it on, embed reinforcement where needed, and the geometry problem disappears. A detail-saver for roofing and waterproofing crews alike.
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 flashing membranes we carry
Same type of product from other manufacturers, all supplied through our branches. Our specialists can help match movement capability, colour and substrate.
Protecto 100/40
Protecto 100/40 is a self-adhered flashing membrane trusted for window and door rough openings, sills and envelope details.
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Henry Blueskin TWF
Henry Blueskin TWF is a self-adhered through-wall flashing membrane that waterproofs the tricky transitions at masonry shelf angles, sills and heads.
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Dryvit AquaFlash
Dryvit AquaFlash is a liquid-applied flashing membrane system for waterproofing rough openings and details in EIFS and stucco walls.
View productPS 45 Foil
PS 45 Foil pairs a rugged self-adhering membrane with a reflective foil facer for details that see UV exposure or need a heat-reflective face.
View productHenry Blueskin Foilskin
Henry Blueskin Foilskin is a foil-faced, self-adhered flashing and air-barrier membrane with a reflective facer for demanding transition and detail work.
View productProtecto 140/60
Protecto 140/60 is a heavier-bodied self-adhered membrane for waterproofing details and transitions that need extra film thickness.
View productOther options for the same job
These solve a similar problem a different way. Check the data sheet or ask your branch to confirm they suit your project.
3M 3015 All Weather Flashing Tape
A self-adhered flashing tape built for real Canadian weather, 3M 3015 uses an aggressive acrylic adhesive that bonds in cold temperatures where asphalt-based tapes give up.
View productBlueskin SA
Blueskin SA is the peel-and-stick air and vapour barrier membrane that defined the category in Canada.
View productProtecto Wall VP
Protecto Wall VP is a vapour-permeable, self-adhered water-resistive air barrier that lets walls dry while keeping air and water out.
View productChoosing an air barrier system? Tell us the wall assembly and exposure and a product specialist will help match compatible products.
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