This is our traditional reinforced kraft paper bitumen-bonded Building Paper laminate used within the construction industry which meets the requirements of BS 1521, grade B1F (Class B with reinforcement).Unlike many other recent developments in building membranes (eg breathable roof underlays), BS 1521 does not give guidance on suitable use, and as such this product is a generic material, serving a wide range of end-user defined applications.However, typical usage for B1F has naturally evolved over time including for example, separation layers for insulated screeds, bond breaks, temporary protection and garden buildings.
Please note that these product properties are not a replacement for the manufacturer's literature and it is always recommended that Novia is consulted before specifying.
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| Uniclass (?) | Pr_25_57_10_09 Building papers | |