Ideal for use with single lap tiles in limited applications, this Corodrain A-Type valley trough from Harcon incorporates a 35mm sanded strip for the mortar adhesion. Suitable for use on roof pitches from 22.5° up to 49°, this HA30 standard A-type valley trough can accommodate... Read More
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Find out moreIdeal for use with single lap tiles in limited applications, this Corodrain A-Type valley trough from Harcon incorporates a 35mm sanded strip for the mortar adhesion. Suitable for use on roof pitches from 22.5° up to 49°, this HA30 standard A-type valley trough can accommodate a maximum difference between two rafter pitches of 10°.
Designed for use with interlocking tiles, this robust valley trough can also be used with natural and manufactured slate. It's made from high-quality unfilled polyester resin with a glass fibre reinforcement (GRP) with a grey/blue finish and a lead-like appearance. With a higher resistance to unintentional damage and faster installation process, it lasts just as long as lead, with an impressive 30-year life expectancy. A cost-effective alternative to lead, it's resistant to UV light and acid rain, with a seamless surface that prevents any moss or lichen growth and debris build-up.
Designed for use with interlocking tiles, this valley trough can also be used with natural and manufactured slate. It is made from high-quality unfilled polyester resin with a glass fibre reinforcement (GRP) with a grey/blue finish and a lead-like appearance. With a higher resistance to unintentional damage and faster installation process, it lasts just as long as lead with a 30-year life expectancy and is less prone to theft. It also offers better savings in money than lead while being resistant to UV light and acid rain, with a seamless surface that prevents any moss or lichen growth and debris build-up.
Question:
What is the longest length is this best for locking concrete roof tiles.
Answer:
They are only made in 3m lengths - This will fit a slate or a tile
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