B Type 3m Valley Trough

Ideal for use with double lap tiles and slates, which are dry bedded, this Corodrain B Type Valley trough is an HB30 standard B-type option that is fixed over the batten for a straightforward and quick installation. Resembling lead in appearance, it combines enhanced durability against accidental harm and boasts the 30-year lifespan of traditional lead with reduced susceptibility to theft. Corodrain Valley troughs and gutters exhibit compatibility with a diverse array of roofing materials, including slate, clay, and concrete tiles. They present a cost-efficient and durable alternative to lead, fully conforming to the specifications for 'standard' double lap valley troughs, detailed in NFRC Technical Bulletin 28. Features & Benefits Made from GRP material. 1.83kg per m² weight. Suitable for roof pitches from 17.5° up to 55°. Made for use with plain tiles and natural or manufactured slate. Quick and straightforward to install. Neat and unobtrusive design. Suitable for use on roofs with pitches between 17.5° and 55°, this valley trough can accommodate a maximum difference between two rafter pitches of 15°. Designed for use with plain tiles, manufactured slate and natural slate, it is made from GRP material with a grey/blue finish, which is a high-quality unfilled polyester resin with glass fibre reinforcement. It outperforms lead in cost-efficiency, displaying resistance to UV light and acid rain, and has a smooth surface that deters moss, lichen, and debris build-up. Standards & Certification Fire resistance: SAB to BS476 part 3 and class 3 to BS476 part 7. Certification: BBA approved. Specifications Length: 3m Width: 330mm Type: Valley Thickness: 1.3mm Colour: Grey/Blue Minimum Pitch: 17.5° Range: Corodrain