Frost Brochure Issue 03 - Catalog - Page 77
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Warm Roof Assemblies - Domed Gratings
Rain water outlets with domed gratings
suited to warm roof construction where
the waterproof membrane is located
above the insulation layer on top of the
roof deck (diagram page 67). Body and
clamp: Aluminium. Dome: Aluminium.
Analytical 昀氀ow rate: Litres/second
based on a head of 35mm. For details of
accessories please see pages 82-85.
Note 1 - Reducing bushes can be
used on threaded outlets to convert
to 2” & 3”.
Frost Aluminium Warm Roof drain assembly - 昀椀xed dome 220mm circular, medium sump
body with clamp, vertical threaded outlet
See Note 1
Part Number
Outlet Size
Flow Rate
(l/s)
34.0124
BSP 4
10.7
34.0133
BSP 3
5
Frost Aluminium Warm Roof drain assembly - 昀椀xed dome 220mm circular, medium sump
body with clamp, vertical 400mm spigot outlet
Part Number
Outlet Size
Flow Rate
(l/s)
34.0121
100mm
10.7
34.0137
75mm
5
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