The risk of thatch fires in both old and new properties can be greatly reduced by taking sensible precautions and utilising specialist products. By following fire thatch safety advice you can reduce risk and support house insurance queries. Thatch as a building material is particularly interesting when building materials need to be adhered to. The main regulations for new buildings that affect thatched roofs are in relation to: External Fire spread Distance from the boundary B4 10.9, Insulation and Chimneys (Approved Document J). Three Counties Master Thatchers is qualified in installing fire proofing techniques to truly give you peace of mind.