Description gemini drain set dst is produced with a closed cell polyisocyanurate polyiso foam core integrally laminated to non asphaltic glass fiber reinforced organic felt or inorganic coated glass facers.
Roof drain insulation.
The insulation is tailored to fit for copper and iron pipe applications.
The roof drain should be recessed below the roof surface.
Storm water piping is also susceptible to condensation and should be insulated from the roof drain bowl to a point where the piping turns from horizontal to vertical.
The membrane is cut out at each drain and is secured by the drains clamping collar.
The dimensionally stable gemini drain set provides a 4 way slope to the roof drain to prevent ponding and premature roof failure.
From the roof drain.
This can be accomplished by setting the head of the roof drain below the insulation level and by providing a sump at the drain.
In any event the storm water piping should be insulated for a minimum of 30 ft.
Details matter when it comes to insulation performance the difference is in the details.
Tapered insulation panels should be installed around the drain to ensure positive flow of water towards the drain.
The dimensionally stable gemini dst provides a positive 4 way slope to the roof drain.
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