John brash is the uk s leading manufacturer of graded timber roofing battens shingles shakes scaffold boards and commercial anti slip decking.
How to felt and batten a roof uk.
Work along the roof taking out any excess slack in the felt but do not pull it tight.
Jb red battens from marley is a high quality roofing batten that is pre graded and meets the performance requirements of bs 5534.
Generally battens should be parallel to the eaves and ridge lines.
John brash works closely with specialised sectors of the construction industry delivering market leading environmentally sustainable best value and quality timber products.
These battens were developed in conjunction with the bre and meet nhbc requirements for fully graded roofing battens.
When the first length is complete lay the next layer of felt on top of the first so that it overlaps by at least 100mm 4 inches horizontal overlaps where one roll ends and the next one is started should be at least 150mm 6 inches.