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HomeMy WebLinkAboutPermit Correspondence 2004-3-15 . ,~ -~~ ... 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 ,~