Ultra Seal SA-HT

UltraSeal-SA-HT™ is high-temperature performance, strongest, most reliable, butyl based and best performing synthetic self-adhering roof underlayment.

UltraSeal-SA-HT™ delivers a unique combination of both high temperature (260°F / 126°C) flow resistance and low temperature (34°F / 1°C) deck adhesion, does not require priming at low temperature and remains stable at extreme temperatures. It meets or exceeds code requirements and industry standards, offers best walkable rough blue woven fabric surface with Nine months UV exposure rating and 30 years limited warranty which makes UltraSeal-SA-HT™ an ideal self-adhering underlayment for commercial and residential projects subject to ice-damming and severe weather.

  • UltraSeal-SA-HT™ is a premium self-adhered underlayment that creates a continuous watering shedding surface without nailing
  • Strong with resistant to tearing and stretching will not delaminate
  • Meets and exceeds ASTM D-1970, ASTM D226
  • 30-Year Limited Warranty
  • Skid-resistant Synthetic Grip Texture that provides traction and a safer working surface
  • High and Low-Temperature Performance (260°F / 126°C)
  • Installation Temperature 34°F / 1°C and above
  • Low-temperature flexibility
  • UltraSeal-SA-HT™ is a synthetic product that will support no-mould
  • Enhanced UV Resistant (up to 9 months)
  • Better Coverage – 2 Sq. Roll
  • Class A Fire ASTM E108, Under Asphalt Shingles
  • Extra Wide 36 inches – Offers Fast installation

Before You Install UltraSeal-SA-HT™

Ensure strapping or roof deck is fastened in accordance with local Building Code requirements and all preparatory work has been completed and is safe;

Confirm the support structure is clean, smooth and free of obstructions, that there is no bowing, warps, delamination, or separation from rafters, trusses, or support structure. Make necessary repairs to the roof deck prior to installing UltraSeal-SA-HT™; For use on roof decks other than plywood, wood composition, wood plank, metal, concrete or gypsum sheathing please contact our technical team or the installer is responsible to determine acceptable substrate surface and whether priming is required so UltraSeal-SA-HT™ will stay adhered to that substrate.

UltraSeal-SA-HT™ is intended to be a secondary layer of protection; it must be covered with primary roofing system like Concrete or Clay Tile, Asphalt Shingles or Metal Roofing; Should you have any questions or concerns regarding the installation UltraSeal-SA-HT™ contact your supplier or local sales representative;

UltraSeal-SA-HT™ shall be installed by qualified, experienced installers adhering to WSBC and OSHA regulations; Synthetic outside surface may become slippery due to moisture, dust, debris or other conditions, which affect the level of surface friction. Always use caution and proper safety equipment when installing UltraSeal-SA-HT™; failure to comply with safety regulations can result in serious injury or death.

Installation Instructions:


UltraSeal-SA-HT™ must be installed above properly ventilated space (follow all building codes applicable to your region and structure type) as it is considered a vapor barrier (.1 perms).

UltraSeal-SA-HT™ should be installed on a dry and moisture free deck in dry weather when air, membrane and the substrate is at temperature above 34°F (1°C) and there is no possibility of frost on the roof deck.

Installation of UltraSeal-SA-HT™ membrane occurs when the release film is removed and the self–adhesive underside is laid onto the approved substrate using applied pressure. UltraSeal-SA-HT™ is to be laid out horizontally (parallel) to the eave with the printed side up, using 3″ horizontal laps and 6″ vertical laps as it is manufactured with a 3 inch horizontal edge on each side this will be used on a lengthwise overlap when being installed. For vertical laps, use a 6 inch (152mm) overlap, except in ice damming applications, use a 12 in (305mm) overlap. Starting at the low point, and with salvage edge at the high point, position horizontally a full roll or cut the membrane into 10–15 ft. (3–5m) lengths and re–roll loosely. Peel back 1–2 ft. (300–600mm) of release film, align the membrane, and continue to peel the release film from the membrane. Press the membrane in place with heavy hand pressure. Apply uniform pressure to the membrane roll side and end laps to insure water tightness and bonding to the substrate.


Direct Metal Roll Forming is committed to manufacturing and supplying high-quality metal roofing, siding and cladding. Resulting in superior products that are backed by a 50-year Warranty. Each system is unique and innovative giving projects a distinctive look. Options include Direct-Lok Roofing Panel and Standing Seam. Direct Metal Roll Forming proudly manufactures metal roofing and cladding in Greater Vancouver, Okanagan Valley and Vancouver Island Canada.

We share our industry knowledge and expertise to the benefits of customer retailers and installers. Providing them with support and training to supply complete roofing, siding and cladding systems. Direct Metal Roll Forming’s strength relies on our ability to know which materials will look good and function best in various building applications and climate conditions. We are also assisting architects and engineers in finding the right products for their specific building requirements.

How to contact us

If you’ve got questions or ideas you would like to share, send a message. For anything more specific, please use one of the addresses listed below.

Our Location

30694 Simpson Rd Unit A, Abbotsford, BC V2T 6C7
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Phone Number

+1 (778) 552-7663

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After we get some information from you, we’ll set up a time to discuss your project in further detail.