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.

I-Line® Inline

Inline Glazing Gaskets

I-Line® Glazing Gaskets - Inline jointing systems for continuous glass walls

The I-Line Inline glass partitioning joint product offers a design that allows you to install glass in a continuous straight line.

Manufactured in two parts, our I-Line range of products also incorporates an expandable I-Line glazing joint in the form of the Opti-Joint for 180° 2-way joint. This clever addition to the range allows for the quick installation of glass in various sizes.


Our inline range includes three product options - 180° 2-way joints, Opti-Joint 180° 2-way joints and a new product, the 180° Bubble Joint. Our range is a self-adhesive dry joint system, so there is no need for silicone to secure our glazing gaskets, enabling a faster and cleaner installation. We manufacture I-Line Inline products from transparent glass polymer and supply from stock in 3m lengths in packs of 5, 10 & 25.

Design Enhancement

The sleek, flush-fitting, minimalist product design creates a clean aesthetic look for various glass to glass applications, including single and double glazed systems. Our range is tough, durable and robust and is fully recyclable.

I-Line Inline provides the perfect complement to our existing range of partitioning wall systems and doors, and we supply our products directly from stock from our dedicated facility in Aldridge.

Supply Options:

Available for use with 17.5 to 25mm glass. Sizes include 10mm, 10.8mm, 12mm & 12.8mm, available in both clear and black finish.

The Opti-Joint is only available to suit glass thicknesses 17.5mm to 25mm and is only available in clear finish.

The bubble joint incorporates a protective bubble feature explicitly created to protect the glass. The product is available for 10mm glass only.

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