Frost Brochure Issue 03 - Catalog - Page 74
Cold Roof Assemblies - Flat Gratings
Rain water outlets suited to cold roof
construction where the waterproof
membrane is located on top of the roof
deck (diagram page 67). 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 Cold 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
Loading
Flow Rate
(l/s)
34.0014
BSP 4
L15
9.1
34.0013
BSP 3
L15
5
Also available in cast iron
Frost Aluminium Cold Roof drain assembly - aluminium grating, 昀椀xed 240mm circular,
medium sump body with clamp, vertical 400mm spigot outlet
74
Part Number
Outlet Size
Loading
Flow Rate
(l/s)
34.0011
100mm
L15
9.1
34.0017
75mm
L15
5
