Harcon Corodrain AX24 Heavy Duty A-Type Universal Valley Trough - 2.4m

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Est. Delivery: 5-7 Working Days
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£17.06 Incl. VAT
£14.22 Ex. VAT
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Product Description

The Corodrain A Type Valley Trough is a narrow valley trough for use with single lap tiles in limited applications. There is a standard (type:HA) and heavy duty (type:AX) option. The valleys incorporate a 35mm sanded strip for the mortar adhesion.


Suitable for use on roofs with pitches from 22.5° to 49°.
Can accommodate a maximum difference between two rafter pitches of 10°.
Designed for use with interlocking tiles, can also be used with natural and manufactured slate.


Length: 2.4m.
Width: 360mm.
Weight: 2.4kg per m2.
Thickness: 1.6mm.
Colour: grey / blue.
Material: GRP - high quality unfilled polyester resin with glass fibre reinforcement.

Valley selection table


  Roof area less than 25m2   Roof area 25m2 to 100m2
Rafter Pitch Valley Type Max. Valley Length Valley Type Max. Valley Length Minimum Lap Length

17.5-22° B / D 7m - - 350mm
22.5-29° A / B / D 7m B / D 14.5m 300mm
30-34° A / B / D 7.5m B / D 15m 200mm
35-39° A / B / D 7.5m B / D 15.5m 200mm
40-44° A / B / D 8m B / D 16.5m 150mm
45-49° A / B / D 8.5m B / D 17m 150mm
50-55° B / D 9m B / D 18.5m 150mm





Width 360mm Length 2400mm Thickness 1.6mm


Colour Grey Blue Minimum Pitch 22.5 Degrees

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Harcon Corodrain AX24 Heavy Duty A-Type Universal Valley Trough - 2.4m

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Harcon Corodrain AX24 Heavy Duty A-Type Universal Valley Trough - 2.4m

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