HomeMy WebLinkAboutB10-0078 engineer letter �`'����
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CertainTeed C� �
Builders Statement ��g5 �os ��c- � -
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O���M/�TM
Fiber Glass lnsulation used in the Blow-In-Blanicet" 5ystem
The OPTIMA System has been installed using OPTIMA lnsulation to provide a R-value oi R �� using a9� bags of
insulation to covcr'4(G�square feet of area at a thickness of1_L�f_inches. e rt <z1[tC 2w� cc,�c.�nc c�
InsWller Contr�ctui Isi�;n) ((� _ ,, ) -�� Company Namc (,J�g J j�.�(/�.�L 4 L L /U��e/ '9–�z°�^ l(
DuildPr(sip,n� Compeny Name /Dite•/
THERMAL PERFORMANCE
OPTIMAT"' Loose Fill Ins��fation is manufactured for cfosed cavity application instafled behind OPTIMA Fabric or
equivalent. It shnuld not be used for open blow applications. In accurcJance with the charts below,you must mstill
the minimum number of bags per 1,000 sq. ft. of net area for each R-value/cavity thickness listed. Cover.�ge �s
based on � nominal 28 ib. bag. 7he maximum net coverage must not exceed that speci(ied for each R-value.
failure to install the required minimum wei�ht per sq.ft.o(insulation will result in a reduced R-valuc.This producl
should not be mixed witl�other blown insulations or the thermal cliims will become invalid.
Sidewalls, Cathedrai Ceilings and other closed cavities that are compression filled.
ThickuBSS pmsity Minimum lkeighl Bag5 Per Ma�imum St�.fl.
Incl�cs R•value Lbs,her Cu.F!. Lbs.Per Sq.Ft. 1,06b$q.FL Covcrage Per Bag•
3'�"�2xA� IS i.iS 0 525 Ifi.�3 �i4
;'i•"11xG1 11 I !1 (l R25 1'lA td
:'!,•12xH1 i0 l.tl 1.USR S23 5 ?�,
��"�"i�x I Oi 19 1.0 1 Jti13 >O p lp
I I V�"i!x 11t J? I.0 1.6UII SZI$ 1 7
i i�.r���xia� sc, �.ti r vas �i a ir
Floored Attics—Closed Cavities that are not com ression filled.
Thickncys Dcnsily Minimum WeiglN Ba s Per M6iximum Sq.FI.
Inches R-value Lbs.Per Cu.ft. Lbs.Per Sy.Ft. 1,00�Sy.FI. Cuvrrage Per Rag•
iv,"Ilxd) _ 11 1 0 0.292 1QA ��(,
t'�:'i1x41 I i �1.2 0.55U 12.5 n(i
iy,��Vx�ll 14 1.4 O.�i08 I.t 5 !�9
i'•':"12x41 14 I.G 0 4U7 I G 7 (,p
5��,,,ilx6� �9 i n _ o�5a ir�., r,i
.�i:^�zxo, zi �.z usso i�l.e si
i'h'i2xG) __ 11 1.4 U.042 :2J aq
:"12�cG1 22 1.G U.7 i3 16..1 ili
7'i,"Q.OI 2G I.0 U.b04 �i 1.; 4fi
�"�"�2z81 27 1.2 0725 25 7 ;y
7'/,"11zf41 29 1.4 O.OAfi 30 3 SJ
7'a"�2x81 30 l.6 0.7G7 3�1.5 ty
�)'/.'11c11J! 3l 1.(I OJ71 27 t) 4G
9'�,"t2xlQy 35 1.2 OA2S JJ ) 30
0'�,"i7x701 36 1.4 7.079 10.i Ip
9';�"(2x1q1 !H 1.6 t.233 43.5 ;!4
R-valurs.vr dofcrmnxsl�n a[[OrddnCB wdh ASTM C 667.(.�nmp6�ivith ASTM C 7G4,s Ty�x I insulation."R"means res�stancr�o he,t ffow."flx�hi�ghrr Ihc R-value,
ihe greatcr thp uisuf,�lu���u»vca.T��gel the marked R-va{ur,i[ia ccsential Ih,q the insul�ihrui�5 m51aIICYI��roprrlY(ollowin�Iht•r�ti�ommCn[IBU6n5 of Cerl.mTecd CnrpnraiWrl.
APPROVED FOR USE IN THE BLOW-IN-BLANKET' SYSTEM
Rlr�w•!n-Ulank�•�• System�<a re�;isterecl trademark of Ark-Seil Intnnaliunal.Inc.,Denvrr CO t3021J •UPTIMA' is a IrtJwn,uk ut C ertainTeed Corpurahon
CERTAINTEED CORPpRATION,P.O. BOX IIGO,VALLEY FORGE,PA 14462
�"'i'' {"?0-��" 1999 Certaineed Corppranon 5/99
CertainTeed C-1
Builders Statement �q 5 q os ,F�,�� �-� -
�
OP���/�TM
�iber Glass Insulation used in the Blow-ln-Blanket�K' System
The OPTIMA System has bcen installed using OPTIMA Insulation to provide a R-vafue of R a-3 using a-�3 bags of
insulation to cover�a'lsquare feet of area al a thickness of 5��+- ioches. o+� calc f�-c(zw� v.�a�LS ,
IliYfdllP�C6nlydltP�(Sislll � ' („�)��y.0 Canp�ny NamP �!�S�J L�L/�t!_ („(�G /Uaic/'q'�.�{—�(
[iuilcl�rlsignl Company Name /D.te/ '
THERMAL PERFORMAfVCE
OPTIMAT"' Loosc Fill Insulation is manufactured for clused cavity application installed behind C}PTIMA Fabric or
equivalent. It should not be usec�for o}�en blow applications. In accorclance with che e-harts below,you n�usi in��all
the minimum numher of bags per I,OOU sq. ft. of net area for each R-valua/civity thicicness listed. Coverage is
l�ased on a nominal 28 Ib, bag. The maximum net coverage must not exceP�i that specified f�r each R-value.
Failurc to install thc requircd minimum weigh�per sq.ft.of insulation will result in a redu�cd R-vZluc 7hit procluc t
should not be niixed wi[h other I�lown insulatiuns or the thermal claims will become invalitl.
Sidewalls, Cathedral Ceilings and other dosed cavities that are compression filled.
Thickness Density Minimum Wei��ht 6a�s Per :N,iximum Sq.Fl.
lnches R-value Lbs.Per Cu.Ft. L65.Pcr Sq.Ft. t,W�Sq.FL Cuverage Pcr g�h•
S"�"t1s4i 15 1.8 0 525 IR 9 ;t
5„"�2x(.i 7 i t_23 u FitS 2'�4 �a
7'.'�"i1xHl i0 1 U 1.088 SH.S �p
y',�°�1xI0i 39 1.0 I.itiB 500 10
II'i�"i_z12i 47 1.f3 1.6$A Sit.lS li
1i'.�a"i7x111 S6 1.0 l9(IN 714
I�
Floored Atfics—Closed Cavities that are not com ression filled.
Thickness DensilY Minimum Weigiif R:��s Yer Mazimum Sy.ft.
In�hes R-value �bs.Per Cu.Ft. lM.Per Sy.Ff. 1,0110 Sy.R. Cnveragc Per 6ag•
SY,���Lx41 I2 1 A 0 L`)1 l0A y�,
1';�"i1x41 I! 1.? O.litl -
t,!5 fi(�
1 y,���2t41 1 A I.4 �.4U8 I 4.S h�l
,.•'IZaAi I J 1.G 0.4G7 I(.7 bll
5��,"(txb� 19 I.0 p 450 I6A hl
'�'/:"i lebl 21 I? U.550 1'1.6 i I
5'�:"i2r6) L2 1 4 0 G42 22 7 ��
S":"i1ah1 I'J. 1 6 OJ33 26.1 t71
7�,��11vR1 2G t 0 b.604 21 7 46
?';�"(Z�81 17 1.2 U 725 15 7 i��
7'a"�2x61 79 1.n D.ls4fi 30'I t t
%'4"t2xA1 30 1.(, U.7G7 S4 5 1��
9'/,"�2x101 }3 1-0 OJ71 27 7t fl:
v'-.'izr101 75 1.2 n925 )i i su
9';�'(1xt01 _ i6 1.4 i 0/9 36.5 rG
94�"(2zt01 SIJ l G 1 23.1 4i.5 13
R��alues ore Jrtcmnned m�CCUnl.incr wrth ASTM C 6U7.Complie�wrth ASTM C i 64,�y 7ypF 1 IIlSUTAhOfl °���IIIPd05 IP�IS�dncc io heii Huw.Thc h ohrr Ihc R�o,IUC.
�ht�hi�•aier ihe msul.iling po��rr.Ri gct the ma�ked R-vaL�e,q ic EYSenh.il diat Ih��msuldlinn is uisi�llctil prnperly iull�n.vin8 ih��rrrU�nnK'ndaf��iccdCcrtainl'ecd Corpqrabon.
APPROVED FOR USE IN THE BLOW-IN-BLANKET' SYSTEM
Blow-In-Hl.inkr�' Systein ic a reg�slercd tradrmark of Ark-Scal lntern iiional.Inc,Urmcr CO l3q223•UPTIMA' �ti a Irddem�irk u((FnamT(•ed Cn•�wr,nian
CERTAINTEEO CORPORATION, P.p. BOX 860,VALLEY FORGE,PA 194fi2
�"`�� ��������� 1999 Certameed Corporation 5/99
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1)enver. C��lor:�Jn
Frisco, Coloradr�
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Riflc_ C�,I��r.��i„
Nlcn�u�c�� �� N����-�ell
�:n�in,•�•r,. tn�.
N1ay 10, 201 1
Triumph �Vest Development
81?0 Woodmont Ave„ Suite 8U0
Bethesda, Maryland 2081=�
Attn: Mr. Mike Foster
Re: 39�/40� Forest Road (M&N #8123)
Dear Mike:
The 40� gara�e joists are connected to the W 14x>4 steel header in the ceiling of the 395
<„ara�e similar to the section 8 on sheet S3.0 with E�US=�10 han�ers and solid blocking of
the steel beam. "Chis connection is structurally acceptable to Manroe and Newell
Engineers Inc.
If��ou have any questions or comments. please call.
Very truly yours,
'�10NROF, & NT�UELL ENGINEERS, INC.
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