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HomeMy WebLinkAboutPermit Correspondence 2003-5-14 q 31 t-,J~ fl. $fv'~iP,../~ o{l r 7C/ '7 r I M FIBER GLASS BLOWING INSULATION BATTS AND BLANKEJS THERMAL PERFORMANCE (ATTIC APPLICATION) When Installed In accordance with !he man- ufacturer's recommendations, Knauf batts and blankets will provide the full R-value 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 t" ;'..:i~,~~' ~:. "'"~':.~"t'1 _ ,dt-VALUE*'''_,,''~: . T~XD!~'i~'i1n.:: ,; nsulation r~~i1iit, ~ '''''-c'~\'(Rhf:\:r,~~::l b:r:-.:.:~; ~ lC?J'-t..- \:~ .';, '~j ~~ ~ I .~.. .;)(. _:~ 1':THKi<N}SS~":,: .;;. .!ris{i1lie&.'i~s~liJion :"< ;'.'should,not lie ".'. ~~;rle~~ thari:~i;~:~1: ",':;:;,'"'' , IT'~'...." .4.~ .:r~""'i/'"<~ '; ":<BAGS'PE'R ' -1'_ .i!:oo-o 59:''fT. , .; e niiriiber>~i b"i~~ pe-~ ,QQ9 sq" rf.: 6f..n~t~i1re.~' , ~ul~ ~ot~e:~.s,s ~hin.'_ R-38HD 1025" , 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" R-13 350" R-ll 350" R-8 250" R-60 378 26 5 SF 1 058 Ibs 2350" R-50 310 32 2 SF 8691bs 2000" R-44 269 37 2 SF 753lbs 1775" R-38 229 43 6 SF 6421bs 1550" R-30 179 55 9 SF 501 Ibs 1250" R-26 155 64 6 SF 4331bs 1100" R-n 127 78 4 SF 3571bs 925" R-19 109 92 0 SF 304lbs 800" R-13 76' 131 6 SF 213 lbs 575" R-ll 6~ 161 3 SF 1741bs, 475" Bag Weight-Nominal 28 Ibs , MInimum 27 Ibs **R-18 In a 5 5" cavity Conforms to ASTM C 665 and Federal SpecificatIOn HH-I 521F This product conforms to the performance requirements of ASTM C 764, Type I, and cancelled Federal SpeCIficatIOn HH-11030B, Type I, Class B R-values are determined In accordance with 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 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 matenal feed rate IS 5-35 lbs Imlnute Recommended feed rate IS 15-25 lbs Imlnute BUILDER'S INSULATION STATEMENT Ba'tts andlor blankets have been Installed In conformance with the above recom- mendations to prOVide a thermal resistance of ~ ::~:.~~ ':~i::~:?s::~:; ~""::~>~.~~;. ~'::~~_' ''i:"~-~~~;ff~~':."3~yaJ~'~\~~:~:~~i~ ~~ ir;h li~il~~~~5't ~. :: J \ "..... ~~~t:~~l 1.;~1~~./~ > ~;~w~1~~~~ AttiC Area R- '30 at 1'"(... Inches Sloped Ceilings R- 30 je II Inches at Walls R- '"2...1 at ')Jz. Inches Floors (over an unheated crawl space) R- 2<) at '8 Inches Crawl Space Perimeter R- at Inches Date Installed \JJt.ffo3 , Blown insulation has been Installed In conformance with the above (' .' . >0 71>0 recommendations to proVide an R-value of R- 16 *f bags of thiS insulation to cover -,k of area at a minimum thickness of I S '1 Inches ,"~,..7' !.f;::::;;-.'-r--'-- I I- ~:~O(",'iO"'" I. "'(J'/....." , c..o"" r/..( ,..,t:; comparf / ./ uSing square feet Date Home Builder (signature) Company Date BW-AC-08 5/02 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 : ',' " BAGSZMSF' -:- - '. , 24;: O.G FRAMING" , ~r' ~ <;... '1:\-$;-.., - . 2x4 372 373 R-60 2x6 368 371 2x8 365 368 2x4 305 306 R-SO 2x6 302 304 2'x8 298 302 2x4 263 265 R-44 2x6 260 263 2x8 257 260 2x4 224 22 5 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 14.4 14.7 2x4 123 12.4 R-22 2x6 120 122 2x8 11 7 120 2x4 104 105 R-19 2x6 101 103 2x8 98 101 2x4 71 73 R-13 2x6 68 71 2x8 66 69 2x4 57 59 R-ll 2x6 5,5 57 2x8 52 55 CLOSED-CAVITY APPLICATION (EXTERIOR SIDEWALL OR FLOORED ATTICS) P",,"" '" U s~ Contact Knauf Fiber Glass for more informatIOn. Knauf Fiber Glass, One Knauf Drive, ShelbYVllle, IN 46176 (800) 825-4434