Timber Products: Windows

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.