THE CLEAN AIR BLANKET - THE ENGINEERED ALTERNATIVE TO PASSIVE GAS PROTECTION
The type D classification under BS8485:2015 includes Retail, Warehousing and Industrial type developments and characteristic situation 3 and 4 are the most applicable to the Clean Air Blanket system of gas protection. For further information about the Clean Air Blanket click here. The table below explains the points required for type D buildings requiring CS3 and CS4 levels of protection.

Gas Protection Level Required Point Score Clean Air Blanket Ground Floor Construction Protected
CS3 2.5 2.5 0.0
CS4 3.5 2.5 1.0 or 1.5

To achieve a score of 1.0 or 1.5 the ground floor construction must be a cast in situ monolithic reinforced ground bearing raft or reinforced cast in situ suspended floor slab with minimal penetrations
Advantages of the
Clean Air Blanket


   •  Rapid cost effective installation

   •  Compatible with all types of construction

   •  Ideal for complex substructures

   •  Guaranteed underwritten performance


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The Clean Air Blanket is a modular system and the above drawing illustrates one module.
   
© Prestige Air Technology Ltd 2015
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