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 useing a polypropylene menbrane 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 , 10year gtee.

Copper Nails

35mm x3.35 heavy guage a must for fixing slates .

Inline Slate Vents

Provide up to 20,000 mm  sq of ventilation ideal for mechanical extracts fans etc .