The British Woodworking Federation Group
Filter Publications
Search
Search for a keyword by category

Basic Window U-values – Vertical Sliding Sash – Application & Data Form

BWF Members can have their U-values for vertical sliding sash windows – spiral balance and weights & pulleys calculated through BWF at highly reduced rates. Download and complete the form, then please email it to bwf@bwf.org.uk and arrange payment



Member of Construction Products Association
National Specialist Contractors Council
Passive Fire Protection Federation
CITB
Trade Association Forum
The Alliance for Sustainable Building Products