STRAMIT DOWNPIPES

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Stramit offer a wide range of round and rectangular downpipes, each of which is tapered to permit easy assembly.

The dimensions and cross-sectional area of all Stramit® Downpipes available in Queensland & the Northern Territory are shown in the table below.

STRAMIT® DOWNPIPES – SIZES & AREAS
rectangular				round
width-A (mm)	depth-B (mm)	area (mm2)		diameter-D (mm)	area (mm2)
100	50	5000		85	5670
100	75	7500		100	7850
100	100	10000		125	12270
150	100	15000		150	17670

Sizing of minimum downpipe size relates only to the cross-sectional area of the chosen gutter. The table below gives the minimum round and rectangular downpipe size for each Stramit® Gutter.

STRAMIT DOWNPIPES MINIMUM SIZES (mm)
Gutter		round* (diameter)		rectangular*
Stramit® Quad 125 Gutter		100		100 x 75
Stramit® Quad 150 Gutter		125		100 x 100
Stramit® Quad 175 Gutter		150		150 x 100
Stramit Compact Gutter®		100		100 x 75
Stramit® M Pattern Gutter		100		100 x 75
Stramit Queenslander Quad® Gutter		100		100 x 75
* Smaller downpipes may be used provided the gutter capacity is reduced in drainage calculations.