Comparative R-Values Flashcards
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
