GEATaaT RV Skylight Outer Dome Replacement 18"x26" Flange – Clear Polycarbonate, UV-Coated for 14"x22" Openings

The GEATaaT RV Skylight Outer Dome is a direct-fit, UV-coated polycarbonate replacement dome designed to renew light and weather protection for standard 14" x 22" RV skylight openings.

If your camper, travel trailer, motorhome or fifth wheel has a worn, cracked, or yellowed outer skylight, this GEATaaT replacement restores daylight, improves exterior appearance and keeps out rain and debris. The dome measures 14" x 22" x 4" for the curved portion and has an 18" x 26" flange that fits most standard factory skylight frames; it ships with mounting screws and includes an anti-UV surface to resist sun damage.

Will this skylight fit my RV or camper?

This outer dome is made for the common factory opening size of 14" x 22" and is intended to sit on a flange sized 18" x 26". It fits most RVs, campers, travel trailers, motorhomes and fifth wheels using the typical skylight frame.

• Compatible with standard 14" x 22" skylight openings.
• Dome physical size: 14" x 22" x 4"; flange: 18" x 26".
• Works as an outer replacement dome for most OEM skylight assemblies.
• Include existing interior shade and frame must be retained or inspected for fit.

How durable is the GEATaaT replacement dome in sun and storms?

The dome is molded from high-quality polycarbonate, a material known for impact resistance and long-term performance. GEATaaT adds an anti-UV coating to slow yellowing and protect against sun degradation, while the rigid shape sheds water and resists hail and road debris better than brittle plastics.

• Polycarbonate construction for strength and shatter resistance.
• Anti-UV surface treatment to reduce discoloration and breakdown.
• Curved 4" profile improves runoff and reduces pooling.
• Designed to withstand regular outdoor exposure and travel conditions.

How easy is installation and what tools or parts are needed?

Installation is straightforward for anyone with basic DIY skills; the package includes mounting screws so you won’t need to source fasteners. Typical replacement requires removing the old dome, cleaning the flange, seating the new dome, and fastening it down—many users follow online videos for step-by-step guidance.

• Mounting screws included—screwdriver or drill required.
• Remove old sealant and inspect frame before fitting the new dome.
• Allowable for DIY or with professional help if preferred.
• Follow manufacturer torque and sealing recommendations to prevent leaks.

What does this skylight improve inside the RV?

Replacing a damaged outer dome restores natural daylight and visibility while improving the camper’s exterior look. The clear dome brightens interiors such as bathrooms, showers and living spaces without electrical lighting, and the anti-UV coating helps protect interior fabrics from fading.

• Increases natural light in small interior spaces.
• Improves exterior appearance and resale value.
• Reduces interior UV exposure to fabrics and finishes.
• Helps prevent water intrusion when installed correctly.

Who is this for: RV owners, fleet managers and DIY renovators seeking an affordable, durable replacement outer dome for the standard 14" x 22" skylight opening. If your RV’s outer cover is cracked, cloudy, or no longer sealing properly, the GEATaaT 18" x 26" flange dome offers a simple upgrade to restore light, weather protection and curb appeal.