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SolarMount Unirac Code-Compliant InstaUation Manual :FUNIRAC <br />[3.2.2] Laying out L-feet <br />L-feet (Fig. 7) can be used for attachment through existing <br />roofing material, such as asphalt shingles, sheathing or sheet <br />metal to the building structure. <br />Use Figure 8 or 9 below to locate and mark the position of the <br />L-feet lag screw holes within the installation area. <br />If multiple rows are to be installed adjacent to one another, it <br />is not likely that each row will be centered above the rafters. <br />Adjust as needed, following the guidelines in Figure 9 as <br />closely as possible. <br />Figure 7 <br />, Overhang 33% L max <br />1.- Foot spacing/- <br />JL__Rajlhan rl='LUL - <br />11 <br />It <br />V <br />It <br />1169< <br />I <br />It <br />ii <br />L_31-_1__34- <br />11 <br />Lower roof edge Rafters <br />(Building Structure) <br />Note: Modules must be <br />centered symmetrically on the <br />rails (+/- 29. <br />t <br />Figure 8. Layout with rails perpendicular to rafters. <br />Installing L-feet <br />Drill pilot holes through the roof into the <br />center of the rafter at each L-foot lag screw <br />hole location.191%41 - <br />1 2-13A"1 <br />- - 1 10.h <br />11 11 <br />1! <br />11 <br />H <br />11 <br />1-r H <br />H <br />H 11 <br />H <br />Squirt sealant into the hole, and on the shafts <br />of the lag screws. Seal the underside of the L· <br />feet with a suitable sealant. Consult with the <br />company providing the roofing warranty.dot spacin 1 <br />Securely fasten the L-feet to the roofwith Jail Span, L the lag screws. Ensure that the L-feet face as | <br />shown in Figure 8 and 9. For greater ventila , <br />tion, the preferred method is to place the | <br />single-slotted square side of the L-foot against I-7-- E I .1 <br />the roof with the double-slotted side perpen-Lower roof edge ; 11 11 'Overhang 33% L max11 Hdicular to the roof. If the installer chooses to 1 ILmount the L-foot with the long leg against the ¢ <br />roof, the bolt slot closest to the bend must be <br />Rafters (Building Structure) <br />fJ f <br />Note: Modules must be <br />used.centered symmetrically on the <br />rails (+/- 29. <br />Figure 9. Layout with railsparallet to rq/ters. <br />0 <br />Page <br />17