Trusted by generations of building and construction professionals
EXPAMET
ESTABLISHED QUALITY 

Expamet encompasses a wide range of products designed and manufactured in Britain and trusted by generations of construction professionals.

Windpost Quotes
Available Here 

Windposts are designed to offer an alternative, cost-effective method of providing the additional stiffness that a masonry wall requires as specified by the Structural Engineer.

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BUILDERS METALWORK
BUILDING INDUSTRY EXPERTISE SINCE 1889

A wide range of straps, fixings, angles and brackets, wall starters, ties and reinforcement

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PLASTERERS ACCESSORIES
BUILDING INDUSTRY EXPERTISE SINCE 1889

Arch formers and accessories, plus beads in coated or galvanized metal, stainless steel and uPVC

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Masonry Support Design Service

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Masonry Support
Design Services 

BAT Masonry Support is a range of bespoke systems designed to carry masonry cladding on steel or concrete structures.

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BAT Stone Support System

The support and restraint of stone cladding, which is often available in a range of materials, sizes and thickness requires specific design in order to comply with BS8298, the code of practice for design and installation.

The BAT Stone Support System is designed to accommodate a variety of configurations and applications. Our standard stone supports are available to suit all cavity sizes and will be tailored to specific project requirements.

Safe clear span of Hy-Rib fitted horizontally between supports for wall formwork

Technical Support

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BAT support cleats accommodate a fixed bolt in the vertical leg and can be supplied with a lip, dowels or are inclined at 15 degrees to restrain each stone. Dimensions are selected to suit the particular application and load requirement.

A full range of shims, isolators, T bolts, fixings and channels is available. Our Project Management Team will be pleased to discuss all design considerations with you in order to specify the most appropriate and cost effective support system.

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Part of the Birtley Group

Birtley began life as Birtley Building Products in 1965, based at the current site in County Durham. Originally a steel fabricator for the area’s mining and power generation industries, the company made its first steel lintels in 1967. Since then, Birtley has grown from reliable local supplier to a UK-wide force in construction design technology and product development.

In 1889, the British Metal Expansion Company was established in Hartlepool. It had sole European rights for the manufacture of expanded metal mesh, mainly for use as reinforcement and lath in the rapidly expanding sector of concrete construction. The business that grew from these early days later changed its name to Expamet.


Acquired by Birtley Group in 2015, Bowater Doors is a nationally-known name synonymous with top quality and imaginative composite residential door design and manufacture.

The product portfolio offers exclusive ranges for trade installers and a retail range providing doors direct to consumer and social housing organisations.

Birtley Galvanizing boasts one of the most impressive galvanizing plants in Europe. The plant achieves the finest quality hot-dip galvanized zinc protective coatings to BS EN ISO 1461. Using state-of-the-art technology the plant processes steel products using a computer controlled, automated handling system, enabling Birtley Galvanizing to provide full project solutions to many industries.