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For further information on our products, please download our Cullen Timber Engineered Connectors brochure

Or click here to request a copy



Cullen is the market leading brand of timber engineering connectors within the UK and Ireland, currently holding 85% of the timber frame market, 55% of the roof truss and engineered floors markets. Our extensive stock and our four distribution platforms allow us to offer a "just in time" service to our 500+ customer base. Our experienced Research and Development Team develop 10 cutting-edge products every year. This is why Cullen is the number one choice for timber connectors.

Our connectors

Cullen Building Products manufacture a range of timber engineering connectors for the following applications:

  • Timber to masonry connections
  • Timber frame connections
  • Engineered wood product (EWP) connections including products for all I-joist and open web system manufacturers
  • Solid timber & roof truss connections
  • Truss to wallplate connection including high load applications
  • Multiple connections for floors and roofs
  • Restraint straps for masonry and timber frame conections
  • Ancillary products
  • Custom connectors

Cullen are specialists in the design, development & manufacture of special connectors, and products to assist with disproportionate collapse in multi-storey timber frame buildings. Corrosion protection to the mild steel is by galvanising to Z275 & Z600. Timber frame wall ties and holding down straps are manufactured with austenitic stainless steel and supplied with the required fixings. Cullen products carry BBA certification and European Technical Approvals.

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