NCC 2016 Volume One
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Classification
Building class 1a Building class 1b Building class 2 Building class 3 Building class 4 Building class 5 Building class 6 Building class 7a Building class 7b Building class 8 Building class 9a Building class 9b Building class 9c Building class 10a Building class 10b Building class 10c

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Classification
Building class 1a Building class 1b Building class 2 Building class 3 Building class 4 Building class 5 Building class 6 Building class 7a Building class 7b Building class 8 Building class 9a Building class 9b Building class 9c Building class 10a Building class 10b Building class 10c
Section J Energy Efficiency

Section J Energy Efficiency

SA Part J1 Building Fabric

After J1.3(d) insert SA J1.3(e) as follows:

SA J1.3 Roof and ceiling construction

(e)

If a Class 5, 6, 7, 8 or 9 building, or part of a building—

(i)

is constructed in climate zone 4 or 5; and

(ii)

has a roof pitch of not more than 5 degrees; and

(iii)

the roofing material must have an upper surface solar absorptance value of not more than 0.4.