Patent ID: 8585245

Claim:
An apparatus providing a water-proof enclosure of an optic of a lighting fixture, the apparatus comprising: an enclosure having a plurality of connected rectangular sides; an optic of a lighting fixture inserted into an extrusion forming the enclosure, the extrusion having a fixed cross-sectional profile and interfacing with one or more o-rings between the optic and walls within the extrusion, the optic expanding when heated and contracting when cooled at a different rate than the extrusion; a deformable gasket at an end of the extrusion comprising at least one hole for receiving an end of the optic and the one or more o-rings; an end cap of the enclosure comprising a cavity to receive the deformable gasket; wherein inserting an end of the optic into the hole of the deformable gasket received by the end cap and securing the end cap to the extrusion provides a water-proof seal around the end of the optic, the deformable gasket and the extrusion; and wherein the deformable gasket maintains the water-proof seal during expansion and contraction of the optic.