Airtight pipe and duct sealing grommet.
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Overview:
Roflex grommets are heat resistant EPDM rubber seals for airtight sealing around circular pipes and ducting. For 15-30mm diameter pipes Roflex is available as a single pipe grommet with self-adhesive backing or a multiple pipe grommet that needs to be taped. For pipes over 30mm and up to 320mm diameter, Roflex can seal one pipe per grommet and is sealed with tape. These larger sizes are all supplied with enough Tescon Vana airtight tape in the box to seal all grommets. Tescon Vana is a tape that has been tested and proved to remain airtight for 100 years.
Where to use it:
Pro Clima Roflex heat-resistant EPDM rubber grommets can be used internally or externally on walls, ceilings, floors and roofs (of more than 15° of pitch). It is compatible with circular pipes, flues and ducts where you have access to one end and the temperature will not exceed 150°C. Access to a free end is required so the grommet can be slid onto the pipe or duct like a tight-fitting collar. Roflex can be used with pipe diameters of 15-320mm.
The smallest size of Roflex has an integrated Tescon Vana self adhesive backing (patch). All other sizes are supplied with a strip oairtight tape for sealing the grommet to an airtight barrier. The waterproof solid acrylic adhesive used will permanently stick to any airtight or windtight membrane, wood-based panel or board, smooth planed or painted timber, metal or plastic.
If the pipe is a flue and the temperature would exceed 150°C, the Eisedicht HotSchott grommet can be used instead. It can resist temperatures up to 250°C.
What it does:
Roflex provides an airtight seal around pipes and ducting. It grips the pipe or duct tightly to provide a perfect airtight seal but also allows the pipe to be repositioned or pulled through the grommet when needed. Once sealed with the supplied Tescon Vana tape, no air can leak from around the pipe.
The robustness of the EPDM rubber plus the watertight adhesive of the accompanying Tescon Vana sealing tape means the grommets can also be exposed to external UV and weathering for up to 6 months.
The stretchable heat resistant EPDM material allows for a swift installation and an easily achieved airtight seal.
How it works:
The holes are pre-cut on all single-pipe Roflex grommets. The holes are undersized, and the EPDM rubber is very flexible easily fitting around pipes and duct penetrations passing through airtight materials.
The undersized pre-cut holes tightly grip the outer surface of pipes and duct work. Once the rubber grommet is stuck to the airtight material being penetrated, any air leakage through gaps around the pipework is fully prevented.
Use it on:
Internal or external roofs, walls and floors on pipes and ducts of 20-300mm diameter. The supplied tape will stick to any air or wind tight membrane, smooth planed or painted timber, wood-based panel or board, concrete, metal and plastic. The end of the pipe or duct must be accessible so it can be fed through the grommet.
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