Harlow Timber Systems Limited provide thorough and considered technical data to our clients.

All technical data required for the project is supplied for the clients project team. All calculations, constructional detailing, metal work requirements and loose timber detailing is provided with our package. Our technical staff understands what is required on site and ensures that the drawings provided meet with the approval of all parties.

State of the art computer programmes, systems and integrated design teams work together to co-ordinate designs, so you can be sure that the package will function as a whole.

As part of this detailed package the TRUSSED RAFTER ASSOCATION technical data sheets are provided for all aspects of the construction process.

To view a copy of the Technical data sheets please click on the links on the right hand side of this page.

If you have a Trussed Rafter Specification that you would like us to quote for then please send us Your Truss Enquiry.

To view a copy of our BM TRADA Production control CE Mark 1224/CPD/0104 please click here (pdf 156kb).

TRA Technical Data Sheets
[To view Data Sheets Adobe Reader must be installed]

1 - Room in roof (170kb)
2 - Some basic trussed rafter profiles (176kb)
3 - Storage & erection of trussed rafters on site (209kb)
4 - Standard bracing of simple duopitched roofs (225kb)
5 - Standard bracing of 'Room in the Roof' (Attic) roofs (275kb)
6 - Creating Roofscapes with Trussed Rafters (378kb)
7 - Chimney & Hatch Openings in Trussed Rafter Roofs (177kb)
8 - Loft Conversions with Trussed Rafter Roofs (136kb)
9 - H&S Policy for Loading, Haulage, Delivery and Erection (124kb)