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COVID-19 Update - You can place your order online or over the phone.

Through these challenging times we have fewer team members than normal. Orders placed from now to midday on Thursday 9th will be shipped week commencing 13th April or sooner where possible.
Save 2.5% for online orders over £150 placed before 3rd April - Use code SPRING20 during checkout

GRP Valley

Corodrain Material Uses
Ideal for :- Slate and Tiled Roofs / Joining To Existing Roofs / An Abutment Soaker

Corodrain Key Properties
The Corodrain range of valley troughs are manufacured in GRP as an economic and durable alternative to using lead. They can be used on both slate and tiled roofs and also provide a weatherproof seal between roofs of terraced houses, or where a new roof needs to join an existing roof. The Corodrain abutment soaker produces a weatherproof seal where the verge of a sloping roof meets a vertical abutment..

Lasting as long as lead, Corodrain is tougher and cheaper. 
More resistant to accidental damage and theft from site. 
Maintenance free. 
UV light and acid rain resistant. 
Smooth finish inhibits growth of moss or build up of debris. 
Significant reduction in installation time. 
Excellent weathering performance. 
Manufactured in the UK to quality assurance ISO9000 standard.

Model: HA30PK10
Standard weight - 360mm width (1.82kg/m2) Narrow Corodrain valley troughs for use with single lap tiles in limited applications. Both standard (type:HA) and heavy duty (type:AX). They incorporate sanded strips (min. width 35mm) for the mortar to bond to. Sold in packs of 10..
£219.10
Ex Tax:£182.58
Brand: Ariel Model: BD30PK10
Heavy weight type B or D valleys with the addition of floride based patented surface protection. Provides complete protection against UV light, resistant to virtually all chemicals,solvents and pollutants,temperature range -40º to +100º. The durability of Diamond 60 has been recognised as matching code 7 lead by Housing Association Property Mutual (HAPM). Designed for very harsh environments or prestige building. Sold in packs of 10..
£483.29
Ex Tax:£402.74
Model: HB30PK10
Standard Corodrain valley troughs for use with double lap slates and tiles, which are dry bedded. Both stardard (type:HB) and heavy duty (type:BX). Sold in packs of 10..
£219.10
Ex Tax:£182.58
Model: HC30PK10
Lasting as long as lead, Corodrain is tougher and cheaper.Gives a weatherproof seal between adjacent roofs. Joins any combination of double lap or interlocking slates, clayor concrete tiles, with minimum disturbance to the adjacent roof. The design ensures that the slates don’t ‘kick up’. LEAD REPLACEMENT GRP lasts as long as lead, is tougher, cheaper, more resistant to accidental damage, and is less prone to theft or vandalism. Using preformed GRP valley troughs saves si..
£202.87
Ex Tax:£169.06
Model: DX30PK10
Standard Corodrain valley troughs for use with single lap tiles. Both standard(type;HD) and heavy duty (type:DX). They incoperate sanded strips (min. width 35mm) for the mortar to bond to. Sold in packs of 10..
£279.23
Ex Tax:£232.69
Model: AS30PK10
Provides a weatherproof protection between a sloping roof and a vertical abutment. The bonded sanded strip gives maximum mortar adhesion, and the two bars along the horizontal section prevent moisture entering the roofspace. Sold in packs of 10..
£173.27
Ex Tax:£144.39
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Save 2.5% for online orders over £150 placed before 3rd April - Use code SPRING20 during checkout