CodeChronicle

OBC 2006 Division B

12.3.3.6.

Version 0 — in force 31 December 2006

In force
Verified · covered Verified against the 2006-12-31–2007-04-01 consolidation, whose range covers the query date. How to read this

Provenance

OBC 1997 · renumbered from 9.38.3.4. — Pro

Base · O. Reg. 350/06 · ext← current

Original — base regulation

Content moved to SB-12, not yet covered

12.3.3.6. — Reduction of Thermal Resistance

(1) The thermal resistance of a building assembly may be reduced by not more than 20 per cent from that required in Articles 12.3.3.3. and 12.3.3.4., and the amount of glazing may be increased to more than permitted in Sentence 12.3.3.11.(2), where it can be shown that the total calculated heat loss from the building enclosure does not exceed the heat loss that would result if the enclosure were constructed in conformance with the minimum thermal resistance requirements in Articles 12.3.3.3. and 12.3.3.4. and with the maximum amount of glazing permitted in Sentence 12.3.3.11.(2), provided no allowance is made for solar heat gains or for the orientation of the glazing as described in Sentence 12.3.3.11.(4).

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