External Insulated Door Sets

Energy Efficient, Secure and Sustainable

Our unique range of Hardwood Insulated Door Sets (QTE 7 & QTE 8) has evolved over many years using the best of traditional mortise and tenon joints from timbers manufactured from the solid whilst incorporating the best of modern technology with high performance PIR insulation. Our door sets are fully factory finished and achieve U-values to 1.1W/m2k.  All Hardwoods are from accredited sustainable forests with Full Chain of Custody emphasising our commitment to the environment.

For optimum U-values to 0.8 W/m2K Russell Timber Technology offers an alternative Timber Composite Insulated range of Door Sets (QTE 9 & QTE 10). Manufactured from certificated softwood timbers, and bonded with aluminium reinforcing plates and high performance PIR insulation, these doors are strong, stable and secure product range with excellent thermal performance. 

Compatible screen, fanlight and sidelight combinations are available to complete the entrance. Further details available on request.

Our range includes:

Hardwood Insulated Door Sets (QTE 7 & QTE 8)

Timber Composite Insulated Door Sets (QTE 9 & QTE 10)