BRE SD2 PDF

This Digest explains how the requirements of the building regulations for conservation of fuel and power may be satisfied for a new dwelling built with timber frame construction. It provides guidance on the relevant regulations, showing various approaches to compliance, together with four worked examples involving timber frame build solutions.

Seventeen examples of timber frame wall, roof and floor constructions show how suitable U-values may be achieved for a variety of timber frame constructions. It is written for the timber frame industry, and for designers, architects and builders who may be considering using timber frame, and for enforcers of the regulations who are assessing applications.

The new Part L of the Building Regulations that came into effect in April 2006 is markedly different from the previous regulations in their criteria for compliance. Compliance is now to be assessed via whole-house calculations using SAP 2005. This takes into account a combination of factors including level of insulation, airtightness, efficiency of heating systems and heating controls.

This fully revised edition of Special Digest 2 will enable designers to align their designs with the new Regulations simply and effectively. It replaces the 2002 edition of Special Digest 2.