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Nhbrc Questions 136 to 140

HomeNhbrc Questions 136 to 140

NHBRC QUESTIONS 136 - 140

136)What is the lapping lengths of underfloor membranes at joints?
a)Not less than 1000mm
b)Not less than 200mm
c)More than 150mm
d)There is no minimum lapping length

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137)What is the minimum depth of floor board underlays placed to avoid moisture intake from the surface ground?
a)450 mm
b)550 mm
c)650 mm
d)850 mm

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138)What is the minimum required width of a wooden floor?
a)150 mm
b)350 mm
c)600 mm
d)900 mm

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139)What is the minimum required length of a wooden floor?
a)800 mm
b)1 000 mm
c)1 200 mm
d)1 400 mm

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140)On suspended timber floors, what is the minimum clearance between a greed and a joist?
a)800 mm
b)1 000 mm
c)1 200 mm
d)1 400 mm

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