HomeMy WebLinkAboutPermit Correspondence 2003-9-26
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FIBER GLASS BLOWING INSULATION
BATTS AND BLANKETS
When Installed In accordance with the man
ufacturer's recommendations, Knauf batts
and blankets will provide the full R value
MINIMUM
~-VALUE* THICKNESS
To obtain an Installed insulation
insulation resistance should.not be
(~) of: less than:
R 38 1200"
R 30HD 825"
R 30 1000"
R 26 900"
R 22 650"
R 21HD 550"
R 19 6 25"**
R 15HD 350"
R13 350"
R 11 350"
R8 250"
Bag We'ght-Nomlnal 28 Ibs M,mmum 27 lbs
**R 18 In aSS' cav,ty Conforms to ASTM C 665 and
Federal Speclficat'on HH I 521F
EQUIPMENT REQUIRED
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THERMAL PERFORMANCE (ATTIC APPLICATION)
The stated thermal resistance (R value) IS provided by installing In accordance with the manufacturer's instructions,
the required number of bags per 1,000 sq ft of net area, at not less than the labeled minimum thickness Failure to
Install both the required number of bags and at least the minimum thickness will result In lower insulation R value
~-VALUE*
To obtain an
insulation resistance
(~-value) of:
I
MAXIMUM
NET COVE~AGE
Cont~nts of this bal:
sh6uld not cover
. ~ore than:
lAGS ~E~
1,000 SQ. FT.
The number of bal:s per
1,000 sq. ft. of net area
should not be less than:
R 50
R 44
R 38
R 30
R 26
R22
R 19
R13
Rll
MINIMUM WEIGHT
~E~ SQ. FT.
The weil:ht per sq. ft.
of installed insulation
should not be less than:
MINIMUM
THICKNESS
Installed insulation
should not be
less than:
378 26 5 SF 1 058 lbs
310 32 2 SF 869lbs
269 37 2 SF 753 lbs
229 43 6 SF 642lbs
179 55 9 SF 501 Ibs
15 5 64 6 SF 4331bs
127 78 4 SF 357lbs
109 92 0 SF 304lbs 800"
76 131 6 SF 213 lbs 575"
62 161 3 SF 1741bs 475"
III
II
ThIS product conforms to the performance reqUirements of ASTM C 764, Type I, and cancelled Federal SpeClficat'on HH 11030B, Type I,
Class B R values are determined In accordance w,th C 687 and C 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
To achieve labeled R vall'e, thiS product must be applied with a pneumatic blow
ng machine and a corrugo:.led 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
lbs /mlnute Recommended feed rate IS 15 25 Ibs /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
R-Villue Thickness
Attic Area R L/O; at z-O Inches
Sloped Ceilings R at Inches
Walls R :<-1 at b Inches
Floors (over an unheated crawl space) " R :?.O at L() Inches
,
Crawl Space Perimeter R at Inches
Date Installed <7'-? b -6 .3
Blown insulation has been Installed In conformance with the above
recommendations to prOVide an R value of R t.; 9 uSing
y n bags of this insulation to cover L2 5 <p(' square feet
r ~
of area at a minimum thickness of "'Z.. ~ Inches
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. Company ~, Date
Home 8U1lder (signature)
(ompanYIf J) :.. ,
BW AC DB 5/02
Date
FRAMING ADJUSTMENT
To compensate for framing members, the number of bags per 1,000 sq ft of
area to be Insulated should be as shown below
..
JOIST . IAGS/MSF
DIMENSIONS a" O.c. F~AMING
IAGS/MSF
24" O.c. F~AMING
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 224 225
R 38 2x6 221 223
2x8 218 221
2x4 174 175
R 30 2x6 171 173
2x8 168 171
2x4 150 151
R 26 2x6 147 149
2x8 144 147
2x4 123 124
R-22 2x6 120 122
2x8 117 120
2x4 104 105
R 19 2x6 101 103
2x8 98 101
2x4 71 73
R13 2x6 68 71
2x8 66 69
2x4 57 59
R 11 2x6 55 57
2x8 52 55
CLOSED-CAVITY APPLICATION
(E X TE RIO R SID E W ALL 0 R FL 00 RED A~q I C S)
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Contact Knauf Fiber Glass for more information
Knauf Fiber Glass, One Knauf Drive, ShelbYVllle, IN 46176 (BOO) B25 4434
Printed In USA