HomeMy WebLinkAboutPermit Correspondence 2003-2-1
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FIBER GLASS BLOWING INSULATION
When Installed In accordance with the man-
ufacturer's recommendations, Knauf batts
and blankets will provide the full R.value.
THERMAL PERFORMANCE (ATTIC APPLIC~TION)
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The stated thermal resistance (R-value) IS provided by installing In accordance\wlth the manufacturer's Instructlons,r~!:;'
the required number of bags per 1,000 sq ft of net area, at not less than the\l~beled minimum thickness Failure to:1:
Install both the required number of bags and at least the minimum thickness ~~il:result In lower insulation R-value~
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BATTS AND BLANKETS
~4~ ':-- ~..~':,,,~~~~;r_-.~'" ~.~;
i.. :' R-VACUE* '.,'
I' "; :To,obtain 'an " '.'.
'ffnsulaH<<{~'resistancl! ~
~~.; ~(~;~aJ~~)I.of::;;t~
.' ~ . I ~
: . THI~~NESS. .
. Installed insulation
: . shouid not bl! ':
: = 'l'-~. ~l@s~ than: '^ ',,': ~_~
R-38HD
R.38
R.30HD
R.30
R.26
R.22
R-21HD
R-19
R.15HD
R-13
R.ll
R.8
. . .
825"
1000"
9 00"
6 50"
5 50"
6 25"**
3 50"
3 50"
3 50"
2 50"
R-60 378 26 5 SF 1 058 lbs 2350"
R-50 310 32 2 SF 869lbs 2000"
R.44 269 37 2 SF 753 lbs 1775"
R.38 229 43 6 SF 642lbs 1550"
R-30 179 55.9 SF 501 lbs 1250"
R.26 155 64 6 SF 433 lbs 1100"
R-n 127 78 4 SF 357 Ibs 925"
R-19 109 92 0 SF 304lbs 800"
R-13 76 131 6 SF 213 Ibs 575"
R-ll 62 161 3 SF 174lbs 475"
Bag Weight-Nominal 28 Ibs , MInimum 27 Ibs
"R-18 In a 5 5" cavity (onforms to ASTM (665 and
Federal Specification HH.I.521F
ThiS product conforms to the performance reqUIrements of ASTM ( 764. Type J, and cancelled Federal SpeCificatIOn HH.I-1030B, Type I,
Class B R-values are determined In accordance with (687 and (518
'''R'' means resistance to heat flow The higher the R-value. the greater the insulating power Ask your seller for the fact sheet on R-values
EQUIPMENT REQUIRED
To achieve labeled R-value, thiS product must be applied with a pneumatic blow.
Ing machine and a corrugated hose with a minimum 25" Internal corrugation, a
minimum length of 150 ft and a diameter of at least 3" COils In the hose should
not be less than 36" In diameter Acceptable material feed rate IS 5-35
Ibs /mlnute Recommended feed rate IS 15.25 lbs /mlnute
BUILDER'S INSULATION STATEMENT
.
Batts and/or blankets have been Installed In conformance With the above recom.
mendatlons to prOVide a thermal resistance of
t.l:~'~~:!~~1~F~ !~~:~,:?~~j;:~~t:f~ t.:!.~~, :\,~ i~~~~~"'~ .~: 1~1v?!~.~':~:.~~ i:".l _: "T~hi.~~.n~~~~~\:~~~'~,^
AttiC Area R.38 atjS; S Inches
Sloped Ceilings R- 3~ at It,}". S- Inches
Walls R- 21 at ~ Inches
Floors (over an unheated crawl space) R- 2-'J at ~ Inches
Crawl Space Perimeter R- at Inches
<2./0:>
(
Blown insulation has been Installed In conformance With the above
Date Installed
recommendations to prOVide an R-value of R.
? b bags of thiS insulatIOn to cover
of7 ;~um =:: of
""s~on"(ontractor (signature)
3~
(roOf)
uSing
square feet
Inches
~
Company
Oate
Home Builder (signature)
Company
Date
F RAM lNG' A D JUS T MEN T
To compensate for framing members, the number of bags per 1,000 sq ft. of
area to be Insulated should be as shown below
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2x4 372 373
R-60 2x6 368 371
2x8 365 368
2x4 305 306
R-50 2x6 302 304
2x8 298 302
2x4 263 265
R-44 2x6 260 263
2x8 257 260
2x4 22.4 225
R.38 2x6 221 223
2x8 218 221
2x4 174 175
R-30 2x6 171 173
2x8 168 171
2x4 150 15.1
R.26 2x6 147 14.9
2x8 144 147
2x4 123 124
R-22 2x6 120 122
2x8 117 12.0
2x4 104 105
R-19 2x6 10.1 103
2x8 98 101
2x4 71 7.3
R.13 2x6 6.8 7.1
2x8 66 69
2x4 57 59
R-ll 2x6 5.5 57
2x8 52 55
CLOSED-CAVITY APPLICATION
(EXTERIOR SIDEWALL OR FLOORED ATTICS)
Contact Knauf Fiber Glass for more informatIOn
BW-AC-08 5/02
Knauf FIber Glass, One Knauf Drive, ShelbYVllle, IN 46176 (800) 825-4434
Printed In USA