BT1 - Roofing & insulation

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Last updated 9:38 AM on 7/4/26
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13 Terms

1
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A metal sheet or tile covering capping the ridge of a roof

Ridge Roll

2
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A continuous piece or a series of overlapping sheets of metal or other impervious material installed to prevent the passage of water into a structure

Flashing

3
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Standard commercial width of corrugated G.I

32”

4
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Shortest available standard commercial lengths of corrugated G.I

8 feet

5
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Range of End lapping of corrugated GI

25 cm to 30 cm

6
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Standard commercial width of Rib-Type Roofing

1.10m

7
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Holds the tiles in place, more particularly a roof tile

Batten

8
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GI Gutters must be of what gauge?

GA#24

9
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SPF means

Spray Polyurethane Foam

10
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Also called Sterling Board in UK

Oriented Strand Board (OSB)

11
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What is the primary purpose of roof underlayment

Provide secondary protection against water infiltration

12
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Which roofing color generally absorbs the most solar heat?

Black

13
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Insulation material commonly used beneath metal roofing to reduce heat gain

Reflective Insulation