Drainfast Brochure Issue 36 - Flipbook - Page 198
Rain water outlets suited to cold roof
construction where the waterproof
membrane is located on top of the
roof deck. Body and clamp: Cast iron.
Grating: Ductile iron.
Analytical flow rate: Litres/second
based on a head of 35mm.
For details of accessories please see
pages 211-215.
Note 1 - Reducing bushes can be
used on threaded outlets to convert
to 2” & 3”.
Frost roof drain flat grating with medium sump body
and threaded outlet
See Note 1
Part Number
Outlet Size
Loading
Flow Rate (l/s)
BSP 4
L15
7.88
33.0014
£90.87
Ø349
6
105
Ø220
Ø110
Frost roof drain flat grating with medium sump body
and spigot outlet
Part Number
Outlet Size
Loading
Flow Rate (l/s)
100mm
L15
7.88
33.0011
£86.10
Ø349
117
179
Ø220
4 BSP
6
7 FROST ROOF DRAINS
Cold Roof Assemblies Flat Gratings
93
Frost roof drain flat grating with medium sump body
and horizontal threaded outlet
See Note 1
Part Number
Outlet Size
Loading
Flow Rate (l/s)
BSP 4
L15
7.88
33.0024
£155.97
PRICES EXCLUDE VAT E&OE
01420 555 600
198
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