Licking the envelope

Ridout, G.

Licking the envelope - 1987 - Building 252(7518) 16 October 1987, 65(1) .

Reports on the recent phenomenon of thermal pumping , identified as the root cause of moisture entering a building and encouraging deterioration of the fabric in roofs , walls and double-glazing . The chances of thermal pumping occurring are increased where efforts have been made to create a sealed envelope. Calls for the provision of a research programme into the problem. Diagrams.


BUILDING FAILURES
WATER PENETRATION