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RV Skylight - Rectangular

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RV Skylight Replacements with Rectangular Shape

A smoke or opaque lens helps cut glare and heat, and the rectangular shape matches common roof cutouts. Match by cutout size and roof thickness; a 1-1/4 inch roof can work, though trimming the inner garnish may be needed. Some kits include sealant, and certain polycarbonate models call for their supplied sealant instead of self-leveling to avoid cracks; plan to reuse existing screws or source equivalents.
Yes. Inspect predrilled holes for melted plastic residue and trim or file bumps smooth for a good seal. Check corners for warping before drilling; gaps can compromise sealing. Don't overtighten screws, especially on curved roofs—padding and a few extra screws can help secure the flange.
If you want less glare and heat, go with smoke or opaque instead of clear. Smoke reduced sunlight and helped keep a front living area much cooler. Opaque filtered the sun better than a clear panel. Clear keeps things brightest but won't cut heat as much.
Measure the roof cutout first, then compare overall flange size. A 1-1/4" roof thickness can work, but you may need to trim the inner garnish. If your inner garnish pushed on a domed panel before, choose a flat-top inner piece to avoid interference with the ceiling.
Use the sealant provided with polycarbonate units and avoid self-leveling sealant that can cause cracks. Remove old sealant carefully—heat can help—then lay a consistent bead. Inspect the tube before you start; if a tube fails during application, swap it out to prevent a mess.