Verulam

摘要

Despite the numerous letters received by Verulam, our readers' interest in this commonly occurring problem is evidently far from being exhausted. This latest contribution to the debate is penned by Paul Bithell from Wigan.rnFurther to the recent correspondence, re: diaphragms and separators, this is sometimes an issue when checking certain applications under Building Control and I thought I'd add to the discussion.