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Valley Troughs and Gutters Corodrain GRP

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.


A Type 3M Long BBA approved valley trough 
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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.



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HA30PK10

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B Type 3M Long BBA approved valley trough 
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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).


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HB30PK10

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D-Valleys Heavy Duty (2.44kg/m2) 
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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.

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DX30PK10

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3.0m Long Abutment Soaker 
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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.

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AS30PK10

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Corodrain Diamond 60 
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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.

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Joining Gutter 3.0m Length 
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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 significant installation time over traditional methods. Roofers report elimination of many problems with valley troughs when changing from lead to CORODRAIN GRP. Coloured lead grey as standard (other colours available on request).

DURABILITY
Made with high quality un-filled polyester resin with glass fibre reinforcement for maximum strength. A tough bonded melinex film gives excellent weathering performance. Minimum life of 30 years.
MANUFACTURED IN UK
Manufactured to ISO9000 quality standard, our automated continuous pultrusion plant in Coventry. All available from stock for rapid delivery to site.
NO MAINTENANCE
The inherent qualities of the materials make the valleys UV light and acid rain resistant, and the smooth surface finish inhibits the growth of moss, lichen and the build up of debris.

 

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HC30PK10

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Vapour Roofing Felt 
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Vapour Roofing Felt

 

Harcon VPU has a 3 layer composite structure with the highly vapour permeable film bonded between two layers of non-woven polypropylene. The top polypropylene layer provides high levels of water resistance while the bottom layer provides the strength for this flexible breather membrane which can be used in both unsupported and fully supported applications

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Flat Roof Stainless Steel Railings 
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** New Flat Roof railings**
 

A range of roof stainless steel railings which enable the specifier to incorporate a design feature which is truly beneficial to the character and environment of the building. Available in four colours with optional lights a simple strong and versatile steel railings system built with stainless steel posts and aluminium rails for a maintenance free finish..

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Telephone 
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Roof Lanterns - Continuous Rooflights

A range of roof lanterns glazed with glass or polycarbonate which enable the specifier to incorporate a design feature which is truly beneficial to the character value and environment of the building. Each lantern flat roof dome is manufactured to individual project requirements and can be supplied to any length..

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** New Flat Glass Sky Lights**
 

A range of rooflights which enable the specifier to incorporate a design feature which is truly beneficial to the character and environment of the building. Available in three standard sizes with glazing options either fixed top or opening.

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** Sale Now On**

 

Save 20% on a new ladder top quality trade ladders available.

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01179 719922

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PRODUCT GUIDE
D-Valleys
Universal Harcon roof valley troughs for use with interlocking tiles ,meeting all requirements for standard roof valley troughs in NFRC Technical Bulletin 28. Also suitable for use with both natural and man made slates. Both standard (type:HD) and heavy duty (type:DX). They incorporate sanded strips (min. width 35mm) for the mortar to bond to.
A-Valleys
Universal Harcon valley troughs for use with interlocking tiles in limited applications. Meeting all the requirements for 'standard' double lap valley troughs in NFRC Technical Bulletin 28. Also suitable for use with both natural and man made slates. Both standard (type:HA) and heavy duty (type:AX). They incorporate sanded strips (min. width 35mm) for the mortar to bond to.
B-Valleys
Standard Harcon valley troughs for use with slates and double lap tiles, which are dry bedded. Meeting all the requirements for 'standard' double lap valley troughs in NFRC Technical Bulletin 28. Both standard (type:HB) and heavy duty (type:BX).
Unequal Pitches
B & D-roof valleys are designed for use where the differential between two rafter pitches is 150 or less. Industry standards recommend A-valleys should only be used for pitch differences of 100 or less.
Valley Troughs Products
Diamond 60
Heavy weight type B or D roof valleys with the addition of fluoride based patented surface protection. Provides complete protection against UV light, resistant to virtually all chemicals, solvents and pollutants, temperature range -400 to +1000. 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 for prestige buildings