A perimeter flashing or {HEAD ~ seal} may be used to preclude or inhibit rain water from entering {TAIL ~ the interior} of the solar module array from a perimeter surface 
A perimeter flashing or { HEAD ~ seal } may be used to preclude or inhibit rain water from entering { TAIL ~ the interior } of the solar module array from a perimeter surface
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH