Comparative R-Values Flashcards Preview

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Flashcards in Comparative R-Values Deck (11)
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1
Q

most insulate types:

A

rigid boards

and

sprayed foam

2
Q

loose fill insulation range:

A

2.1-3.8

3
Q

batt range:

A

3.1-4.3

4
Q

inorganic board range:

A

5.6-7.7

5
Q

organic board range:

A

1.4-2.0 (straw)

6
Q

sprayed foam:

most insulative type

A

polyurethane

5.0-7.0

7
Q

sprayed foam:

polyicyene

A

3.6-4.0

8
Q

structural insulated panels

A

4.0-6.0

9
Q

straw bales

A

2.4-3.0

10
Q

autoclaved aerated concrete

A

1.1

11
Q

LTTR

A

long term thermal resistance