Frost Brochure Issue 03 - Catalog - Page 79
Visit
frostdrainage.com
Call
01420 555572
Inverted Roof Assemblies - Flat Gratings
Rain water outlets with 昀氀at gratings
suited to inverted roof construction
where the waterproof membrane is
located above the roof deck but below
the insulation layer (diagram page 68).
Body and clamp: Aluminium. Grating:
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 Inverted Roof drain assembly - aluminium grating, 昀椀xed 240mm circular,
medium sump body with clamp, vertical threaded outlet
See Note 1
Part Number
Outlet Size
Flow Rate
(l/s)
34.0144
BSP4
9.1
34.0143
BSP3
5
Frost Aluminium Inverted Roof drain assembly - aluminium grating, 昀椀xed 240mm circular,
medium sump body with clamp, vertical 400mm spigot outlet
Part Number
Outlet Size
Flow Rate
(l/s)
34.0141
100mm
9.1
34.0147
75mm
5
79
