Howarth Timber Group is renowned for its expertise across the industry. The group operates three divisions, Howarth Timber and Building Supplies. Howarth high performance windows, doors and conservatories. Howarth Timber Engineering for timber roof trusses.

PDS is a leading supplier of Secured by Design, PAS 23 & PAS 24 high performance and FD30 & FD60 fire doorsets, windows and screens to housing developer and the Social Housing sectors. We make bespoke timber doors and doorsets in timber, veneer and composites. Our range of windows are available in many styles including traditional sliding sash.

Crittall Composite Windows is a specialist division of Crittall Windows which specialises in the supply of Composite windows for both residential and commercial construction & renovation. Composite windows are aluminium clad timber windows which provide both sustainability and durability to window specification. Crittall can provide full technical assistance and CAD drawings to facilitate the specification of these high performance composite windows.

If you supply WINDOWS: COMPOSITE Purpose Made . then contact us today! There has never been a better time to promote your company and products with BPi. Get in touch NOW and your company will be available to our millions of users. Send us your details or simply call us.

DML Systems design, manufacture and install Unitised Aluminium and Composite Curtain Walling, Commercial aluminium Windows and Doors, Commercial Facades and Structural Glazing. Unitised windows and curtain walling offer the advantages of being factory assembled for consistent quality and allow rapid installation which means they can be retrofitted with the least disruption to occupants. We supply and fit both finned or glass mullion frameless glass structural glazing and bolted structural glazing.

Paragon Joinery produce purpose made timber doors, windows, roof lanterns & Staircases. PARAGON sources its own timber from its associate company ETP Ltd. (ENGINEERED TIMBER PROFILES LTD) who also supply other window manufacturers with laminated timber sections or profiles, impregnated and factory finished if required.

Formes Alutek provides a range of services to the construction industry by manufacturing and installing thermally efficient Aluminium, composite Aluminium/Timber curtain walling, windows and glazed doors. We are specialists in curved aluminium windows and curtain walling. We also manufacture ranges of aluminium folding and sliding doors, louvres, fire rated doors and windows to the New Build and Refurbishment sectors of the market.