How buildings fail
In the main, the building under attack is affected by one or more of the items listed above. Then water enters (e) and the biological agencies (f) then move in to destroy the timber.
OBVIOUS DESIGN FAULTS
Generally Modern building practice in the UK has evolved over centuries. The modern 1985 Building Regulations (and 1990/92 amendments) and good trade practices are to a large part still based upon this continuous process.