Owen Gallagher Technical Sales Manager “Promoting Traditional Build”

Concrete Blocks Topics to cover  Supply  Thermal Bridging – CBA Details  Sustainability …then lunch

The Market Govt. Initiatives Response

Capacity Quicker response ? Post recession Output of the industry How can manufacturers respond? Re-open moth balled plants Extended Working Hours Speed-up curing regimes Build winter stock levels

The Market Its not rocket science!! It’s a concrete block

The Market

New Output

Concrete Blocks Topics to cover  Supply  Thermal Bridging – CBA Details  Sustainability

Concrete Blocks Are greener than you may think Cements Content only 9% * 1 19% of above are ‘alternative’cement’s Aggregates are often ‘surplus’ dust from quarries Blocks can be 100% recycled aggregate * 1 WRAP Resource Efficiency Action Plan

Concrete Blocks Embodied Energy 6Kg CO 2 /t blocks * 2  That is 7 times less than softwood  That is 30 times less than steel  That is 40 times less than plastic * 2 Uni. Bath Inventory of Embodied Energy 2008 (Excludes Calorific Value of wood) Are greener than you may think

Concrete Blocks Manufacturing waste is re-used (WRAP) Energy used in manufacture only 21kW.hrs/t Less than 2% wastage on site Delivery average 60 miles from 100 plants across the UK Are greener than you may think CO 2 Footprint does not need to measured from the Port of entry

Localism Local Supply Local Plant Local Materials Local Labour

So why Concrete Blocks? Off the shelf Ease of use BRE Green Guide A / A+ Recyclable on site to granular Traditional Known Practice Building Reg Compliant Competitive build cost Made locally

Concrete Blocks Topics to cover  Supply  Thermal Bridging – CBA Details  Sustainability

Thermal Bridging What is it?

Thermal Bridging

Is it significant? Who does it?

Window and door jambs Window and door lintels Window Sills Party wall junction Eave / wall junction Corner Thermal Bridging

Gable Wall Junction Ground Floor / Wall Ground Floor / Party wall Intermediate Floor / wall Ceiling / Party Wall Thermal Bridging

1 Calculating the Y value Total Building Envelope Length of Junction Psi Value (Ψ) Thermal Bridging

SAP 2009 Table K 1 Thermal Bridging

Part L1a Analysis End & Mid Unit

Y = Y = / Part L1a Analysis

APA CBA Register to receive details Any Questions?