British Precast Architectural and Structural (BPAS) - 1m² Of brick-faced Precast Concrete Cladding

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Declared Unit: 1m² of concrete cladding panel, single leaf 150mm with
50mm brick-face. Includes insulation and plasterboard.

The declared product is a 1m2 of concrete cladding panel single leaf 150mm with 50mm brick face. Including rebar consisting of 2 layers of B503 mesh. Mortar for pointing of brick face. Stainless steel fixings consisting of 2 restraints and 2 dowels per panel. The declared unit includes insulation and plasterboard. Precast concrete is made of cement, aggregates, water, and (if needed) admixtures.

The concrete mix agreed by the association technical committee is designed to be representative of average UK products. For further information on the mix design and coverage of this EPD contact the British Precast technical team +44 (0)116 232 5170. The concrete mix and product build will vary between manufacturers. For details of a products mix contact the individual association member.

This is an association declaration which uses average data from member companies of British Precast Architectural and Structural (BPAS). It is based on data covering a period of 12 months (From January to December 2015).

The type of EPD is Cradle to Gate with all options declared - this equates to a cradle to grave EPD without the inclusion of module D. The modules considered in the Life Cycle Assessment are modules A1-C4 inclusive.The most widely studied indicator in an EPD is the Global Warming Potential (GWP) which most people would understand as the carbon footprint. The breakdown of the GWP impact for this product across the cradle to grave assessment is show below:

British Precast Architectural and Structural - Environmental Product Declaration - Global Warming Potential

Interrogation of the LCA results show that the cradle-to-grave GWP (Global Warming Potential) impact of 1m2 of brick-faced precast concrete cladding is 122 kgCO2e (Modules A1-C4).

For GWP, A1-A3 accounts for 98% of the lifecycle impact with carbonation in the use phase and post-demolition, reducing the overall impact of the cladding panel. Carbonation in the post crushing phase of the end of life reduces the GWP cradle to grave impact by 4.8%.

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