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Inverted Roof Membrane Assembly (IRMA)

Inverted Roof Membrane Assembly (IRMA) offer superior protection of the roof membrane from foot traffic and mechanical damage.

Inverted Roof systems are also referred to as ‘upside-down’ roof assembly. In an IRMA, the system’s insulation is installed above the waterproofing membrane, instead of below as in a conventional roof assembly. The membrane is further protected by ballast overtop the insulation.

Inverted Roof Membrane Assembly (IRMA) can be constructed with virtually any type of roof membrane, including BUR, modified bitumen, and single-ply systems.

Your #1 Roofing Choice

Reviews
John F. | Toronto, ON
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Thank you to everyone at HSX Roofing. We had a hassle-free experience, done exactly in the way they said they would do. The crew did a great job, working quickly, professionally and neatly.
Marcus V. | Mississauga, ON
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Great company. HSX Roofing crew did a great job inspecting our roof and the repairs were done very professionally and efficiently. We were very impressed with their business practices and would recommend them very highly.
Robert G. | Newmarket, ON
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We are so pleased with the job that HSX Roofing did, that I wanted to let everybody know what excellent company they are, and that you can expect the job to be done right at the first time!
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