Manufactured from hardwearing and durable GRP, the Corodrain Dry Fix Valley range completely eliminates the risk of water coming into contact with the batten. No wet trades are required so this portfolio can be fitted in any weather. No clips are needed reducing installation time an hassle on site. BBA approved, the Corodrain Dry Fix Valley options include Plain Interlocking Tile, Profiled Tile and a Universal Valley in 3 height options.