§ Mr. Costainasked the Secretary of State for the Environment what progress he has made in implementing the recommendations of the Construction Research Advisory Council Report that research work should be extended into maintenance, and in particular into the durability of materials.
§ Mr. AmeryThe Building Research Station is examining the influence of materials and methods of design and construction on the incidence of maintenance. Research commissioned on the durability of building materials includes studies of the behaviour and durability of surface coatings, factors affecting the appearance of concrete, the adhesion of dirt to building surfaces and methods for its removal, and the performance of adhesives in building construction.