Timber Products: Windows

This document is one of a series of BWF Guides covering aspects of the Construction (Design & Management) Regulations 2007 (CDM 2007) came into force on 6 April 2007 and its application to works carried out by BWF Members.

Timber windows produced by Members of the British Woodworking Federation are accurate components designed and manufactured using the best available techniques to produce performance rated components. The way they are handled and stored on site can affect their long-term performance. Good practice avoids damage, maintains quality and saves money.

Guide to the selection, application and testing of end grain sealants for timber windows. It also proposes a simple test, which can be used to identify suitable materials, both proprietary and general products and that will also confirm whether a full decorative coating system is suitable to seal end grain timber

General advice on the procedures that are carried out during the manufacture of timber windows and the effect of poor protection or changes in climatic conditions can have on the windows in service.

Good practice guidance for installing timber windows which avoid damage maintains quality and saves money.

This guide is intended to explain briefly the relationship between the British Standard for timber windows, BS 644, and the European Product Standard for windows, BS EN 14351-1.