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How to Detail plans so the builder builds it to perform Pt.2
It doesn't matter how well you design a home to perform… Six stars to 10. Everybody knows, if it is not built to a standard to meet that performance, the energy efficiency potential will not be a reality on the ground. But don't blame the builder; they only build what’s on the plans, and nobody has taught them the construction assumptions of the NatHERS system, or how to build tight with standard construction. Do you know?
This is the second part of a two-part series, by builder, energy rater and director of Positive Footprints Sustainable Design and Construction Jeremy Spencer, looking at what to put on plans to achieve a performance outcome.
This webinar goes over the construction assumptions inherent in the NatHERS system. It also looks at the details to put on plans clearly communicating to the builder what needs to be done so the building meets House Energy Rating report thermal requirements, and performs on the ground as it should.
In particular, we will cover:
• Thermal bridging hot-spots and how to break them
• Common problem spots for thermal performance in the home
• Setting thermography and blower-door-testing criteria for the builder to achieve
• Going beyond the star rating - Technology specification for a net-zero outcome, and
• How to choose a builder you can trust.
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