Is the site in a built up area?

This will include default obstructions as recommended by BRE Digest 436. Only use if building is surrounded by obstructions of similar height over a minimum distance of 100 metres (if in doubt, please contact the Technical Advisory Service - 01283 722588).

Here at Marley Eternit, we are always on hand to offer practical and experienced support. Select an option below or call us on 01283 722588.