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HomeMy WebLinkAboutPermit Correspondence 2003-3-14 ~, 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 It-VALUE* THICKNESS To obtain an Installed insulation insulation resistance should not be (It) of: less than: \ - R 38 R 30HD \ R 30 \ R 26 I - R 22 I R 21HD I R 19 I R 15HD I R 13 I R 11 l R 8 1200" 8 25" 1000" 9 00" 6 50" 5 50" 6 25"** 3 50" 3 50" 3 50" 2 50" Bag Welght-Nomlnal28lbs Minimum 27 Ibs **R 18 In aSS cavity (onforms to ASTM (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'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 It-VALUE. To obtain an insulation resistance , (It-value) of: IAGS!"EIt 1,000 SQ. FT. The number of ba!:s per 1,000 sq. ft. of net area hould not be less than: MAXIMUM (~i NET COVEItAGE \ .}i Contents of this ba~:~ should not cover v,( more than: .'} . MINIMUM .wEIGHT !"EIt-SQ. FT. . The wei!:ht.per sq:.ft. of installed" ins~lation should not be less than: MINIMUM THICKNESS Installed insulation should not be less than: R 50 R 44 R 38 R 30 R 26 R22 R 19 R13 R 11 378 26 5 SF 1 0581bs 310 32 2 SF 869lbs 269 37 2 SF 7531bs 229 43 6 SF 6421bs 179 55 9 SF 501 Ibs 15 5 64 6 SF 4331bs 127 78 4 SF 3571bs 925" 109 92 0 SF 3041bs 800" 76 131 6 SF 213 lbs 575" 62 161 3 SF 1741bs 475" II , , II ThiS product conforms to the performance requrrements of ASTM ( 764, Type I, and cancelled Federal SpeCifICation HH 11030B 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 To achieve labeled R value, thiS product must be applied With a pneumatic blow 19 machine and a corrugated hose With a minimum 25" Internal corrugation, a lIn1mum 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 1525 lbs /mlnute ~ B U I L D E R 'S INS U L A T ION'S T A'T E MEN T ~"':. Batts and/or blankets have been Installed In conforfnance With the above recom mendatlons to prOVide a thermal resistance of It-Value Thicl\ness t;? at UJ Inches at Inches at Inches 1\ at i11:~es at Inches AttiC Area R Sloped Ceilings R Walls R Floors (over an unheated crawl space) R Crawl Space Perimeter R ;;> 'C- Date Installed _") - / ,7' () 'S Blown insulation has been Installed In conforma~~wlth the above recommendations to prOVide an R value of R 7 '1 uSing 7 tfi1 bags of thiS InSulatlo~o cover C(r 0 square feet of area at a minimum thickness of ~ Inches Insulatl~::Y ~ ~(1"J/~ Company ~./ . / ___ ) .?:>A ' ./ L/'1 ~ /~ ~~ r.L4---'- Home BUilder (signature) ~ BW AC 08 5/02 Date Date FRAMING ADJUSTMENT To compensate for framing members, the number of bags per 1,000 sq ft of area to be Insulated should be a~ shown below I JOIST It-VAli DIMENSIONS R 60 2x6 2x8 2x4 R 50 2x6 2x8 2x4 R 44 2x6 2x8 2x4 R 38 2x6 2x8 2x4 R 30 2x6 2x8 2x4 R 26 2x6 2x8 2x4 R22 2x6 2x8 2x4 R 19 2x6 2x8 2x4 R13 2x6 2x8 2x4 R 11 2x6 2x8 \: IAGS/MSf IAGS/MSf 11'" O.c. fltAMING 24" O.c. fltAMING 372 368 365 305 302 298 263 260 257 224 221 218 174 171 168 150 147 144 123 120 11 7 104 101 98 71 68 66 57 5 5 52 373 371 368 306 304 302 265 263 260 225 223 221 175 173 171 151 149 147 124 122 120 105 103 101 73 71 69 59 57 55 CLOSED CAVITY APPLICATION (EXTERIOR SIDEWALL OR FLOORED ATTICS) Contact Knauf Fiber Glass for more information ~/- Knauf Fiber Glass, One Knauf Dnve, Shelbyville, IN 4617.E~00) 825 y ~ -.., U,,:;. ~ .- " "' f " Printed In USA