HomeMy WebLinkAboutPermit Correspondence 2004-3-15
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BATTS AND BLANKETS
fiBER GLASS BLOWING INSULATION
When Installed In accordance with the man
ufacturer 5 recommendatIOns Knauf batts
and blankets will provIde the full R value
MINIMUM
It.VALUE* THICKNESS
To obtain an Installed insulation
Insulation rl!!sistance shoul" n.t be
(It) of: lessthiim:
R 38 1200"
R 30HD 825 '
R 30 10 00
R 26 900
R22 650'
R 21HD 550"
R 19 625 **
R 15HD 350
R13 350"
R 11 350"
R8 250'
Bag Weight-Nominal 28 Ibs Minimum 27 Ibs
"*R 18 In aSS cavity Conforms to ASTM C 665 and
Federal SpeCificatIOn HH I 521F
EQUIPMENT REQUIRED
THERMAL PERFORMANCE (ATTIC APPLICATION)
The stated thermal resIstance (R value) IS prOVided by installing In accordance with the manufacturer 5 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
It.VALUE*
To obt.in an
insulatIOn r~sistanc~
(It.valu~) of.
lAGS !'EIt
1,000 SQ. FT.
Th~ number of ba!s per
1,000 sq. ft. of n~t ar~a
should not b~ less than:
37 8 26 5 SF 1 058lbs 23 50
R50 310 322SF 869lbs 2000"
R44 269 372SF 7531bs 1775
R 38 22 9 43 6 SF 642 lbs 15 50
R30 179 559SF 501lbs 1250
R26 155 646SF 433lbs 1100'
R22 127 784SF 357lbs 925"
R19 109 920SF 304lbs 800
R13 76 1316SF 213lbs 575'
R11 62 J 1613SF 1741bs 475
I This product conforms to the performance reqUirements of ASTM C 764 Type I and cancelled Federal SpeCIfication HH 110308 Type I
ClassB R values are delermlned In accordance with C687andC 518
* R means resistance to heat flow The higher the R value the greater the Insu!atlngpower Ask your seller for the fact sheet on Rvalues
FRAMING ADJUSTMENT
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" III dIameter Acceptable matenal feed rate IS 5 35
lbs /mlnute Recommended feed rate IS 15 25lbs /mlllute
To compensate for framing members, the number of bags per 1 000 sq ft of
area to be Illsulated should be as shown below
JOIST
It.VAlUE DIMENSIONS
. IAGS/MSF IAGS/MSF
1'" O.c. FItAMING 24" O.c. FItAMING
BUILDER'S INSULATION STATEMENT
Batts and/or blankets have been Illstalled In conformance with the above recom
mendatlons to prOVIde a thermal resistance of R 50
~.yalu~ Thlckn~ss
Attic Area
I Sloped Ceilings
I Walls
Floors (over an unheated crawl space)
Crawl Space Perimeter
Date Ins'alled ? - / c:; - 0 Y
R '? ;r at / (; Inches
R at
R -z.. / at ("
R Z. <) at g-!
R at
Inches R 38
Inches
Inches I I R 30
Inches I I
R 26
R22
Blown insulation has been Installed In conformance with the above
recommendations to proVide an R value of R "? ?
"2-. '-7 bags of thIS insulation to cover / / <;/
of area at a minimum thickness of / h Inches
A~~ --:U~;:. L-a
IrlsulatlOi1Contract~t,e) - -.J.--
t')h "7 UV7_rh-1'''''/ C. 6)/1 I
Company
Home BUilder (slgnalllre)
l Company
BW AC 08 5/02
uSing
Qquarefeet
R13
R 11
Date
R 60
I 2x6 368 371
I 2x8 365 368
2x4 305 306
I 2x6 ., 302 304
I 2x8 298 302
I' 2x4 263 265
I 2x6 260 263
I 2x8 257 260
2x4 224 225
I 2x6 221 223
I 2x8 218 221
I 2x4 174 175
I 2x6 171 173
I 2x8 168 171
2x4 150 151
I 2x6 147 149
I 2x8 144 147
I 2x4 123 124
I 2x6 120 122
I 2x8 117 120
I 2x4 104 105
I 2x6 101 103
I 2x8 98 101
2x4 71 73
I 2x6 68 71
I 2x8 66 69
I 2x4 57 59
I 2x6 55 57
I 2x8 52 55
R 44
R 19
Dale
CLOSED CAVITY APPLICATION
(EXTERIOR SIDEWALL OR FLOORED ATTICS)
Contact Knauf Fiber Glass for more information
Knauf FIber Glass One Knauf Dnve Shelbyvllle IN 46176 (800) 825 4434
PrmtedmUSA J
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