| Summary: |
This film, originally completed in 1993, has been extensively revised. New site footage and comprehensive, but easily assimilated, new graphics help explain the principles and construction of modern cavity walls and party walls. The first part of the film explains the principles of cavity walls and describes associated detailing to ensure good weather protection. The second part looks at modern materials and current good practice. Topics include : Performance requirements of external walls, Detailing to avoid rain penetration, Blockwork types and characteristics, Cavity walls, Wall ties, DPCs, Insulation, Openings, and Party walls |
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