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BS 5618:1985 Code for practice for thermal insulation of cavity walls (with masonry or concrete inner and outer leaves) by filling with urea-formaldehyde (UF) foam systems (incorporating amendment Nos. 1 and 2)
Describes recommendations relating to the installation of urea-formaldehyde (UF) foam systems which are dispensed on site, to fill the cavities of suitably situated and constructed external walls of maximum height 12 m, which have masonry or concrete inner and outer leaves, thereby providing additional thermal insulation to such walls. Defines what are suitably situated and constructed external walls and indicates essential procedures and precautions for the filling process.
Supersedes BS 5618:1978. Confirmed May 2017. Amendment 6262 dated March 1990. Amendment 7114 dated May 1992 - Indicated by a sideline in the margin.
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