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Wraptite Exceeds Fire Safety Tests

 

Wraptite, the only self-adhering vapour permeable air barrier certified by the BBA has exceeded the latest fire safety tests applicable to building products used in construction.

Wraptite was extensively tested by an independent testing authority and achieved the highest classification for a polypropylene membrane of its type. The product was subjected to two separate tests: BS EN ISO 11925- 2:2010 Ignitability of building products subjected to direct impingement of flame – Part 2 Single-flame source test, and to BS EN 13823:2010 Building Products excluding floorings exposed to the thermal attack by a single burning item. Following the test results the samples were classified according to BS EN 13501:2007+A1:2009. Fire classification of Construction Products and Building Elements: Part 1: Classification using Test Data from Reaction to Fire Tests.

Iain Fairnington, our Technical Director for the Group explains, “BS EN 13823:2010 evaluates the performance of products in relation to heat & smoke production, lateral flame spread and the presence of flaming droplets or particles. Under these test conditions Wraptite achieves a Class B-s1-d0 rating, the highest possible for a polypropylene membrane. This classification gives specifiers absolute confidence in the membranes performance in the event of fire.”

Wraptite combines the important properties of vapour permeability and airtightness in one self-adhering membrane. Wraptite has received BBA certification for use in both roofs and in walls behind rain screen cladding making it an ideal choice for commercial projects with large uninterrupted façades.

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