Archetech - Page 142
A treated roof will offer protection from
a number of fire risks, including sparks,
ejected embers, bonfires, Chinese
lanterns, fireworks and barbecues. On
exposure to these risks, Thatchsayf will
intumesce and form a carbonised char,
which binds the thatch stems together,
cutting off the supply of oxygen to the
fire, delaying the spread of flame and
lowering the radiated heat output.
Chimneys
Chimneys are often an area of concern
and the integrity of a chimney stack
should be checked if homeowners are
planning to use a wood burning or multifuel stove or even an open fire. In the UK,
if a new appliance is installed it has to
comply with current building regulations
as detailed in Approval Document J.
A suitable liner is a must for any
operational chimney in a thatched
property, especially when a wood
burning