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professional TileTrac®SOLAR <br />products Installation Manual <br />Date Modified: 09/12/07 <br />For installations requiring more than one row, with no <br />spacing between rows, the distance between adjacent <br />rail pairs will measure approximately the length of the <br />module less 48". <br />e- I <br />- - Snap chalk lines along <br />r= -= the /ocation of where the <br />- <br />- support rails will be <br />- - placed once spacing is <br />r= C - <br />r=- F calculated and measured.- <br />/ <br />-/ <br />= <br />The measurements and formulas listed <br />above are the recommended and engi-48"neered values for the RoofTrac® mount- <br />ing system-non-tilt up.Actual spacing will be deter- <br />mined on pattern of the <br />.roofing material to ensure a <br />proper seal. <br />Step 2: Locating roof rafters along chalk lines <br />1) Since rafters are normally located every 48",//1327\on cdnter (o/c), finding one reference rafter <br />should be sufficient for approximating the lo- <br />cation of additional rafters by measuring 48"42 ../'40 ...·--- \59« <br />from the center of the first.Nkp- \-- 1...ha<%*2< <br />3-44 .--i 11% r <br />2) If the roof eve (bottom edge of roof) is ex-...i:%%4.,./. ----. ---''posed, reference the bottom edge of the roof 2< <br />rafter location and use to approximate the lo- <br />cation of the roof rafter/intersection chalk line <br />on the upper section of roof. (EASIEST FOR *\ 1 ..24 <br />TILE ROOF) -/-\1/05- 1 \\ <br />/ <br />/ \06.- .... <br />:be#--==C==-=.(%%21.nt) ...'..I:>-- <br />Al ---...n:- If the roof hasaclosed orblind soffet 9-ir' i \\ <br />1 (enclosed rafters not visible at roof edge),cfr=--....0% <br />,=:30 the nailing pattern along the fascia board <br />L__1 (board attached to ends of rafters) may indi- , <br />-':-'intersed ./ncate the after location at the bottom edge .F?65 ..60 (Attachment) ..2-.- <br />of the roof.11>C 3<5>'.w <br />Nt«Page 3 of 8