Stable - will not rot, corrode, mildew or change colour due to oxidisation. Resists U.V. deterioration.

Pliable - Retroflex adjusts to surface irregularities caused by a build up of paint on mating surfaces or a sash which is not 'plumb' in the frame.

Self-tightens' - against wind and rain forces to exclude air and water.

Silent - does not vibrate or 'whistle'.

Easy to install - can be fixed with adhesive, staples or nails. Easily cut with scissors.

Unobtrusive - fits into rebate - not seen when door or window is closed.

High impact - will not split if hit by hammer when fixing.

Product Specification:

Retroflex is self-adhesive and available in 2.1 Metre lengths in white and black.

Technical Details:

A non-corrosive flexible seal that will not shrink, crack or take a set in temperatures between -34'C and +54'C. Friction levels are 75% lower than spring metal seals.

Test Details:

Tested at Warrington Fire Research Centre on 14th January 1997 to BS476 Part 31.1. Incorporating a steel frame/timber door. Test Nos. 70340/A and 70340/B.