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Deventer Weather Seal

Valli&Valli Designer Handles

Trade Partners

At BJ Waller, we’ve partnered up with some of the leading suppliers in the industry to provide you a whole host of architectural ironmongery solutions. Being a trade partner means we can bring you the best products in fast lead times with high stock levels, and can offer our expert knowledge on our ranges.


Traditional, high quality Stonebridge & Finesse hardware


As an official trade partner of Stonebridge & Finesse, we know that we are offering you the best quality, authentic handles, hardware and accessories.


Stonebridge & Finesse are the designers and manufacturers of high quality, beautiful and traditional hardware, with Finesse hardware made from fine English pewter, while Stonebridge hardware is hand-forged from steel.


The Stonebridge & Finesse ranges are ideal for projects that require a traditional finish. They’re the perfect choice if you’re looking to create a truly authentic piece, perfect for refurbishments, restorations, and conversions.


The ranges are tested to BS EN 1670: Grade 3 (240 hours) for Building Hardware Resistance. Find out more about Stonebridge & Finesse handles here.



Valli&Valli designer door handles


For more than 80 years, Valli&Valli has established its reputation as a market leader in designer door handles.


The brand is synonymous with architects from around the world looking for cutting-edge door handle designs, which is why we have chosen to partner up with them.


Each piece of the Valli&Valli collection meets the high-quality interior specifications which are a benchmark for architects, producing handles that are as creative as they are versatile.


Valli&Valli was the first to design door handles not just for functionality, but as a single piece of furniture that visually adds to the overall look of a room. The Fusital Range by Valli&Valli provides chic, minimalist, decorative and traditional pieces designed by some of the world's best designers.


Whether it's a hotel, high-end apartment or luxury office, Valli&Valli's range has you covered. Take a look at the Valli&Valli range here.


Matteo Thun Valli & Valli Handle


Deventer weather seals


If you’re looking for a complete weatherproofing solution for timber windows and doors, choose Deventer weather seals.


We’ve partnered up with Deventer for the extreme performance they offer, as the impressive seals will give your project better weather resistance against high winds, heavy rain and heat resistance up to 200 degrees. As well as this, they provide excellent noise insulation.


The high-performance seals feature an improved sash closing pressure, with non-absorbent technology, low closing forces and a quality feel. Deventer weather seals fit most window and door types and will help you speed up production, saving time and money, with quick and easy installation.


Discover more about Deventer weather seals here.



Alunova aluminium cladding


Alunova aluminium-clad timber windows and doors offer the beauty of wood with the protection of aluminium.


Combining the natural appearance of wood, with a durable, weatherproof aluminium exterior creates maintenance-free windows and doors.


The Alunova Italian engineered alu-clad timber windows and doors are manufactured from timber that is sourced from sustainable forests and the fully recyclable aluminium clad exterior has a long life.


They are also highly thermally efficient to make homes warmer, more comfortable and cheaper to heat.


With a huge range of colour options, the Alunova system can be individually tailored to suit your project, whether you’re looking for a traditional finish or a modern design.


Fore more information about Alunova, click here.



BUVA IsoStone door thresholds


BUVA IsoStone door thresholds are high strength, insulated and weatherproofed, making them the perfect fit for timber or composite doors.


We’ve partnered with BUVA to bring the high quality, energy saving door thresholds to the UK as the exclusive supplier. Developed in the Netherlands 10 years ago, today more than half of all new doors in Holland are fitted with an IsoStone threshold.


The door thresholds boast dimension stability to prevent warping or twisting, a resistance to rotting, a barrier against cold-bridging and a low U-value of 0.89 W/m2K.


Weather protection and airtightness is achieved using an insulated thermal break, a polyurethane insulated outer-chamber and hollowcore inner-chamber, and Deventer weather seals.


Installing timber doors using high quality BUVA IsoStone thresholds saves time as the threshold is supplied ready to fit to the door frame with an easy to use air and water tight fixing kit.


BUVA IsoStone thresholds are ideal for Passive House construction. See the BUVA threshold here.



Contact BJ Waller on 01353 647111 to find out more about our trade partnerships


We’ve hand picked our trade partnerships to ensure that we are bringing you the best quality, most reliable products that will improve the overall finish of your project.


To find out more, call BJ Waller on 01353 647111 or email You can find our full list of trade partners here.


Thursday 17th January 2019

BJ Waller launches Armor-Coat™ range as an official Stonebridge trade partner

Architectural ironmonger BJ Waller is first to stock Stonebridge’s new Armor-Coat™ Grade 5 certified range, as an official trade partner of Stonebridge and Finesse.

The new range includes hand forged window and door handles, in traditional Flat Black and Satin Steel after being salt spray tested for 480 hours offering the best in industry for weather protection.


Friday 14th December 2018

BJ Waller is an official trade partner of Stonebridge & Finesse

Architectural Ironmonger BJ Waller is now an official trade partner of Stonebridge and Finesse, making it one of the few suppliers of the hand-forged steel and English genuine pewter handles manufactured by DJH Group in Durham.

Wednesday 7th November 2018

BJ Waller make an impressive debut at The Build Show

BJ Waller made its debut at The Build Show as part of UK Construction Week, launching the exclusive BUVA IsoStone door threshold, and showcasing the Alunova aluclad window system.

The architectural ironmongers were featured on the PiGS Pavilion, organised by Balls2 Marketing, as part of the Windows, Doors & Glass Show, which was held between 9-11 October at The NEC.