Membranes and underlayments

Weathertex 36 is a self-adhesive waterproofing membrane reinforced with a fibreglass mat and modified bitumen, designed to protect residential roofing systems. The top surface is finished with fine sand for durability, while the peel-off plastic release film on the underside simplifies installation. Suitable for ridges, valleys, eaves, and flashings around chimneys, windows, skylights, and roof hatches. Complies with CSA A123.22 and ASTM D1970 standards.

Get this solid and secure roofing sublayer for better protection and installation of your roof.

Protect your roof with this quality waterproof membrane which will easily be installed.

Deliver reliable roof protection with this 40 mil (1 mm) self-adhesive, self-sealing underlayment made of elastomeric bitumen with a trilaminated woven polyethylene surface. The nonslip, flexible sheet installs under any type of roof covering and operates from -40 to 200°F (-40 to 93°C) for year-round performance. Each 36" W x 65' L roll covers 195 sq.ft., enabling continuous, even coverage across roof areas. Easy to handle and secure in place, it supports professional standards and straightforward DIY work for durable, weather-ready installations and repairs.

Self-adhesive waterproofing membrane composed of SBS elastomeric bitumen reinforced with fiberglass mat provides reliable ice and water protection for roof applications. The 1.35 mm thick construction resists temperature variations while maintaining self-sealing properties around fasteners. Silicone film backing separates in two parts for easier installation positioning, ensuring complete coverage on roof edges, valleys, and other vulnerable areas prone to ice dam infiltration.

This self-adhesive waterproofing membrane protects roof eaves, valleys, and penetration points against ice dams and wind-driven rain. Made from elastomeric SBS bitumen with glass mat reinforcement, it maintains flexibility across wide seasonal temperature swings common in Canadian climates. The sanded anti-slip surface provides safe footing during installation on pitched roofs, while the two-part silicone release film allows precise positioning. Self-sealing around nails and screws, it forms a continuous watertight barrier at the most vulnerable areas of any roofing system.

For a waterproof roofing, use this good quality RoofGard-Cool Grey protector.

The Multipurpose Waterproofing Membrane is a 1 mm self-adhesive membrane composed of SBS modified bitumen. This membrane is perfect to waterproof various repair and maintenance works around the house, cottage, or farm.

Get this heavy felt paper used in multilayered roofing systems.

Gripgard is a waterproof membrane designed to protect your roof.

This supple and uniform non saturated felt sheathing can be used as a hardwood underlayment or as a floor protector.

This saturated felt is used as an underlayment before the installation of shingles on slanted roofs.

This smooth and uniform felt paper is used in multilayer roofs.

RedZone Corner Guard is designed to flash and protect one of the most critical areas, the joints between the sill and jamb.

The Multipurpose Waterproofing Membrane is a 1 mm self-adhesive membrane composed of SBS modified bitumen. This membrane is perfect to waterproof various repair and maintenance works around the house, cottage, or farm.

The Multipurpose Waterproofing Membrane is a 1 mm self-adhesive membrane composed of SBS modified bitumen. This membrane is perfect to waterproof various repair and maintenance works around the house, cottage, or farm.

The Multipurpose Waterproofing Membrane is a 1 mm self-adhesive membrane composed of SBS modified bitumen. This membrane is perfect to waterproof various repair and maintenance works around the house, cottage, or farm.

Get this Deckgard synthetic roofing made of woven polypropylene to complete your house renovations.

This self-adhesive ice and water membrane comes as a 36" x 65' roll with a 1.6 mm thickness. It is made of SBS-modified bitumen reinforced with a glass mat. The exposed face is sanded and anti-slip with a dark gray-brown matte look. The underface uses a two-part silicone release film for progressive, clean application and easier alignment. It self-seals around nails and screws and resists outdoor temperature changes. Supplied as a cylindrical roll for convenient handling and storage.

The Lastofix underlayment membrane is mechanically fastened to provide optimal protection for roofs against water infiltration. Its anti-slip surface ensures safe movement on the roof, even in difficult conditions. Designed to resist heat, water, frost, and dirt, it is perfect for use in various environments. This product meets and exceeds industry standards, offering increased durability and reliability.

Provide a strengthening underlayment with this basic waterproofing membrane.

Provide a strengthening underlayment with this basic waterproofing membrane.

Provide a strengthening underlayment with this basic waterproofing membrane.

Provide a strengthening underlayment with this basic waterproofing membrane.

Insulate the contour of your doors and windows with this powerful self-adhesive air and vapour barrier, effective at any weather.

Insulate the contour of your doors and windows with this powerful self-adhesive air and vapour barrier, effective at any weather.

Insulate the contour of your doors and windows with this powerful self-adhesive air and vapour barrier, effective at any weather.

Insulate the contour of your doors and windows with this powerful self-adhesive air and vapour barrier, effective at any weather.

Insulate the contour of your doors and windows with this powerful self-adhesive air and vapour barrier, effective at any weather.

Give your roof an excellent seal with this all purpose membrane.

Give your roof an excellent seal with this all purpose membrane.

Give your roof an excellent seal with this all purpose membrane.

Get the best finish you're dreaming of by applying this effective membrane specially designed for it.

Get the best finish you're dreaming of by applying this effective membrane specially designed for it.

Get the best finish you're dreaming of by applying this effective membrane specially designed for it.

Get the best finish you're dreaming of by applying this effective membrane specially designed for it.