{"product_id":"xmk-rv-skylight-replacement-bundle-14-x-22-fit-18x26-outer-16x23-875-inner-dual-dome-uv-coated-white-sealant","title":"XMK RV Skylight Replacement Bundle 14\" x 22\" Fit — 18\"x26\" Outer + 16\"x23.875\" Inner Dual-Dome, UV-Coated White Sealant","description":"\u003cp\u003e\u003cstrong\u003eXMK's RV Skylight Replacement Bundle is a complete two-piece skylight set (outer 18\"x26\" flange, inner 16\"x23 7\/8\" flange) with a 14\"x22\" dome pair and polyurethane sealant, designed to replace standard 14\"x22\" RV openings.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eReplacing a faded or cracked skylight can restore daylight, reduce drafts, and help protect an RV interior. This XMK bundle includes both outer and inner domes made from reinforced polycarbonate, a tube of white self-leveling lap sealant, and mounting hardware, so you can swap out the old components in one job. The double-dome design traps an insulating air gap between the inner and outer pieces to reduce heat transfer and add durability in varied weather conditions.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this skylight improve light and temperature inside my camper?\u003c\/h3\u003e\n\u003cp\u003eThe two-piece construction lets natural light in while creating an insulating air space that moderates heat gain and loss. Outer domes are UV-coated to protect the cabin and inner domes diffuse light for a softer interior glow. Choosing between smoke gray, white, or clear lets you balance brightness and solar filtering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDouble-dome design traps air for passive insulation.\u003c\/li\u003e\n  \u003cli\u003eUV-coated outer dome reduces fading from sunlight.\u003c\/li\u003e\n  \u003cli\u003eColor options: smoke gray (heat filter), white (softer light), clear (maximum light).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this fit my RV's 14\" x 22\" roof opening and how is it measured?\u003c\/h3\u003e\n\u003cp\u003eThis replacement fits standard 14\" x 22\" skylight openings where the ceiling thickness is greater than 4 inches. The outer dome has a flange dimension of 18\" x 26\" to sit on the roof surface; the inner dome flange measures 16\" x 23 7\/8\" to finish neatly on the interior ceiling. Verify your current skylight opening and ceiling thickness before installing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits standard openings: 14\" x 22\" (verify exact cutout).\u003c\/li\u003e\n  \u003cli\u003eOuter flange: 18\" x 26\"; inner flange: 16\" x 23 7\/8\".\u003c\/li\u003e\n  \u003cli\u003eDesigned for ceiling thickness greater than 4\".\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and hardware are included, and how durable is the kit?\u003c\/h3\u003e\n\u003cp\u003eBoth domes are made from thicker, impact-resistant polycarbonate engineered for outdoor use and coated on the outer surface to block UV exposure. The bundle arrives with pre-drilled mounting holes, supplied screws, and a tube of white polyurethane self-leveling lap sealant to create a watertight bond. The robust construction stands up to road vibration, weather, and everyday wear in RV, camper, travel trailer, or food truck applications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReinforced polycarbonate inner and outer domes for strength.\u003c\/li\u003e\n  \u003cli\u003eAnti-UV coating on the outer dome to protect interiors.\u003c\/li\u003e\n  \u003cli\u003eIncludes screws, pre-drilled holes, and a tube of white sealant.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow difficult is installation and what tools are recommended?\u003c\/h3\u003e\n\u003cp\u003eInstallation is a straightforward roof-to-ceiling replacement for someone comfortable with basic RV repairs. Pre-drilled mounting holes speed alignment while the included sealant levels itself to help stop leaks; you will still need common hand tools and a sealant gun. If your original skylight used a fan or shade assembly, remove those components first and confirm wiring or attachments won't be affected.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRequires basic tools: screwdriver\/drill, caulking gun, utility knife.\u003c\/li\u003e\n  \u003cli\u003ePre-drilled holes and supplied screws simplify mounting.\u003c\/li\u003e\n  \u003cli\u003eSealant provided for watertight installation; allow cure time per instructions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The XMK RV Skylight Replacement Bundle is intended for RV owners, camper renovators, and mobile-business operators who need a full skylight swap for standard 14\" x 22\" openings. It suits anyone looking to restore daylight, improve interior comfort, and secure a weather-resistant skylight using thicker polycarbonate domes and included sealing hardware. Always measure your opening and review mounting requirements before ordering to ensure compatibility.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this bundle fit any 14\" x 22\" skylight opening?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it fits standard 14\" x 22\" openings with ceiling thickness over 4 inches; confirm your cutout and flange space before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the included sealant enough to prevent leaks?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The provided white polyurethane self-leveling sealant is designed for a watertight bond when applied correctly; follow cure and prep instructions for best results.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"XMK","offers":[{"title":"Default Title","offer_id":55171165684055,"sku":"B0DNMCYHDG","price":172.07,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/xmk-outer-dome-front-view_a07a22c5-f079-4fed-9329-72c0155f3f2f.jpg?v=1790439854","url":"https:\/\/britishgarage.co.uk\/products\/xmk-rv-skylight-replacement-bundle-14-x-22-fit-18x26-outer-16x23-875-inner-dual-dome-uv-coated-white-sealant","provider":"British Garage","version":"1.0","type":"link"}