Frost Brochure Issue 03 - Catalog - Page 84
Roof Drain Accessories
182
Ø214
Extension
For use with large sump roof drains to raise the height of 320mm sq gratings
Part Number
Min
Max
Suitability
(sq.m)
Assemblies
33.6010
£108.10
100
140
Variable
33.036 x range
B
A
Gravel Guard
For use with inverted installations to stop ballast entering the drain system
Part Number
Size (mm) B
Height (mm) A
33.9310
£56.40
Ø250
150
33.9320
£61.50
Ø250
200
33.9325
£66.60
Ø250
250
33.9415*
£65.00
Ø260
150
*For use with aluminium domes only
84