Zero Seal Systems

Zero has designed and tested its systems against air leakage to demonstrate the effectiveness of these products and materials. They have been tested for air infiltration (positive pressure) where high pressure pushes the door against the seal, and also for the more onerous air exfiltration (negative pressure) where high pressure pushes the door away from the seal. Full details are shown on our website. By specifying a complete “Air Control System” you are assured that the components installed for head, jamb and sill will perform properly together.

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AIR EXFILTRATION – NEGATIVE PRESSURE

These air exfiltration tests were carried out under negative pressure i.e. the pressure pushes the door away from the seal. For example, computer rooms, halon systems, hotel bedroom doors etc. A wind velocity of 25mph is equivalent to 76.49 Pascals.

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SAFE HAVEN SEALS

In response to heightened security requirements, Zero has introduced a set of “Safe Haven” room seals. To maximise protection, doors should be designed to open out of the safe haven and the seals should be fitted inside the safe haven. This means high pressure will push the door against the seals. This set is particularly effective against airborne diseases and spores.

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Please click here to see full product details and catalogue page, or phone +44 (0) 1785 282910 for assistance.