Timber Products: Windows

These publications support the information provided in the main Toolkit Section of this website covering windows.

Below you can find our current range of windows publications. To find the data forms to fill in for our basic U-value calculations for windows and doors, please visit our Toolkit+ publications section: www.bwf.org.uk/publications/toolkit-plus/1

Member download

Building Regulations: Guide to Part Q Security Regulations for accessible windows and doors in new homes

For the woodworking sector, Part Q introduced new requirements for the security rating of doors and windows in new build homes (including new homes created by a change of use such as a barn conversion).

Member download

Insulating Glass Unit (IGU) Fact Sheet

Recommendations when placing orders for Insulating Glass Units (including Narrow Cavity Units)

Member download

End grain sealing of timber windows and doors

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

Member download

Care of Timber Windows on site

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.

Member download

Emergency Egress (escape) windows

In July 2000 the Approved Document B (Fire safety) introduced a new concept of Emergency Egress windows to dwellings with an upper floor level of not more than 4.5m.

Member download

Timber windows in service

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.

Public Download

Installing Timber Windows

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

Member download

Relationship between BS 644 and BS EN 14351

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.

Member download

Pressure washing and timber windows

After build completion, there is often dirt on the exteriors of the installed timber windows that needs to be removed. If pressure washers are used, the water and dirt can produce a highly abrasive mixture that can damage the paintwork, glass, hardware and seals.

Member download

Appendix B: Proposed wording for a prescriptive appendix for secure windows

This is a proposed Appendix that describes a bespoke timber window that would be “deemed to satisfy” Requirement Q1.

Member download

BWF BIM Product Data Template for Wood Window Units

Here you can download and complete a BIM Product Data Template for Wood Window Units

Member download

BWF Guide to Weather Performance Testing for Windows & Doors

NEW FOR JULY 2017 - The publication covers the relevant standards for weather tightness, how to determine what performance level is required, and what needs to be considered before testing takes place.

Timber Products: Windows

The Woodworking CPD Programme