From Ryno
RynoRidge Dry-Fix Ridge System was developed for faster and safer ridge tile installation. Suitable for install in all weathers, it creates less mess and brings none of the problems that come with mortar: safer for building owners and more dependable for roofers. Key Features: Faster and easier to achieve perfectly level, secure ridge tiles Suitable for ventilated and unventilated roofspaces Complete complience with NHBC, BS5534 & BS8612 standards