Universal GRP Valley Trough - Heavyweight (A Type) - 3000mm Description Corodrain valley troughs and gutters can be used with almost any form of slate, clay or concrete tiles. They provide an economic and durable alternative to lead. Universal Harcon valley troughs f... Read More
Universal GRP Valley Trough - Heavyweight (A Type) - 3000mm
Description
Corodrain valley troughs and gutters can be used with almost any form of slate, clay or concrete tiles.
They provide an economic and durable alternative to lead.
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.
Features
• BBA Approved.
• Lasts as long as lead, minimum of 30 years.
• More resistant to accidental damage.
• Less prone to theft.
• Quicker to install.
• Similar appearance to lead.
• Considerable cost savings when compared to lead.
• UV light and acid rain resitant.
• Smooth surface inhibits the growth of moss & lichen and the build up of debris.
• Fire resistant to SAB to BS476 part 3 and class 3 to BS476 part 7.
Specification
• Suitable for use on roofs with pitches from 22.5 degrees to 49 degrees.
• Designed for use with interlocking tiles, can also be used with natural and man made slates.
• 35mm wide sanded strips for mortar adhesion.
• Can accommodate a maximum difference between 2 rafter pitches of 10 degrees.
Properties
• Width - 360mm.
• Weight - 2.4kg/m2.
• Thickness - 1.6mm.
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