J long and son offer a range of high quality accessories to make your project long lasting and easy.
Klober Permoforte Breathable Felt.
This is a very high performance vapour- permeable underlay, 4 layer woven cross brace system will take the weight of a man falling through the roof, uv stable for 4 months , no ventilation required, allows the roof structure to breathe yet fully water tight, BBA and IAB approved.
Klober Roll Fix Copper Roll
Roll-Fix is manufactured using a polypropylene membrane highly vapour permeable yet completely waterproof ,no mortar required doing away with unsightly staining on the slates ,copper helps prevent moss build up on the roof , 10 year guarantee.
35mm x 3.35mm heavy gauge a must for fixing slates .
In-line Slate Vents
Provide up to 20,000 mm sq of ventilation ideal for mechanical extracts fans etc .