Smiths Building Systems

Smiths PRO-office specialises in supplying partition wall and door systems to the office fit-out market.

Smiths PRO-trim is a stockist and supplier of tile trim and dryline wall trim products. Our extensive stock is available via our UK wide distribution network. We welcome order enquiries from merchants and showroom businesses.

Box Section

Ceiling Trims

Add greater functionality by combining our box sections with other products in our drylining trims range

Combining our box sections with other products in our drylining trims range adds greater functionality.

Box sections typically find use to provide a spine between two other trims to create a composite trim. Box sections also offer strength and support for specific products in our range when curving is a requirement. The box section acts as a backer for single trims that may not be curved on their own. Essentially, box sections add value to our product range by expanding the functionality of existing trim products.


The purpose of our trim products is to improve the overall aesthetic appearance of your completed drywall installation. While our box trim products offer additional strength by supporting existing trims, introduction of the product also offers associated load bearing characteristics. This product enables the curving of particular profiles where this feature would not be possible under normal circumstances.

As a finishing product, we manufacture our sections in 6063 aluminium alloy, which we supply in the T6 delivery condition. The alloy is an architectural grade that combines medium strength with good corrosion resistance and is an ideal material for producing intricate extrusions.

We stock products in standard 3-metre lengths with custom lengths available up to 6 metres on request. Contact our sales office to discuss your supply options.


Polyester powder coated, standard White RAL 9010 20% Gloss. Most RAL colours are available as a custom order. Please contact our sales office to discuss requirements.

Standard products supplied in 3m lengths. Custom options include lengths up to 6m. Products over 3m will incur an additional carriage charge- further bespoke options are available (see curving, fabrication and metalwork).

Stocked products available next day for orders placed and processed by noon, non-stock/special order 12 weeks.

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