New 'L' shaped angled smoke, weather and acoustic seal fitted with intumescent material.
Size - length 2200mm. A non fire rated version is also available.
Envirograf Product 78 (Envirostrip/F Fire rated version)
Envirograf Product 78 (Envirostrip plain rated version)
About Envirostrip, Intumescent 'L' Shaped Smoke Acoustic and Weather Seal
A new type of L-shaped angled strip with fins, offering an effective smoke, draught, weather, and acoustic seal, that will take up the movement of the door. It is combined with an intumescent strip.
It is also simple to apply, fitting into the rebate of door or window frame.
Double-sided tape fitted for easy fixing.
This has been tested to BS476 Part 22 (1987) and achieved an integrity of 30 minutes.
Anne Brown | Question: What gap sizes are necessary down side and front of door for Envirostrip/F |
Answer: You will require 3 to 4mm gap but the product will squeeze up. | |
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