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Caravan Roof Vents, Hatches, Skylights, Fans & Spare Parts

Find the right caravan roof vent, hatch, skylight, fan or spare part by matching the roof cut-out, roof thickness, lid style and fitted brand before you order.

Shop Roof Vents
  • Choose roof hatches, skylights and 12V exhaust vent fans
  • Match Ventline, Coast RV, Dometic Heki, Fiamma, MaxxFan and SkyMaxx parts
  • Check replacement lids, flyscreens, motors, handles, blinds and mounting kits
  • Use guides, diagrams and fit checks before cutting or replacing

Shop By Roof Vent Type

Measure the roof cut-out and check the brand already fitted, then choose from complete hatches, powered vents, spare parts, wall vents or brand-specific diagrams.

Quick Guide To Choosing A Caravan Roof Vent

Most roof vent orders start with one simple check: are you replacing the whole hatch, just the broken lid, or adding a powered fan for better airflow? Measure the roof opening first. If the old vent is still fitted, take a photo of the brand, hinge, winder and inside frame so you can match the right style before ordering.

Replacing the whole vent? Measure the hole first

For a complete replacement, start with hatches and skylights and measure the roof cut-out before comparing styles. Common caravan roof vent openings include 280 x 280mm, 355/356mm square, 400 x 400mm, 500 x 500mm and 700 x 500mm. Also check roof thickness, inside trim depth, corner shape and whether the old vent was sealed or framed differently.

Caravan hatch lid identification guide

Need more airflow? Look at powered vents

A 12V exhaust vent is useful for bathrooms, showers, cooking areas and hot vans where natural airflow is not enough. Compare the cut-out size, fan direction, rain dome or rain sensor, remote control, thermostat, LED light, blind and insect screen. The roof vent comparison is the quickest way to compare current powered options.

Replacing a lid? Match the brand and hinge

If only the lid is broken, do not choose by size alone. Ventline, Jensen and Elixir lids can look similar but use different hinges, winders and screens. Use the hatch lid identification guide before ordering roof vent spare parts, especially if the old lid has blown off and the hinge on the base is all you have left.

You can often identify the brand from the flyscreen. Ventline screens are about 340mm square. Jensen screens are about 355mm square with the winder hole about 55mm from the start of the mesh. Elixir screens are also about 355mm square, but the winder hole is about 75mm from the start of the mesh.

Identify caravan roof vent brand by the flyscreen

Heki and skylight parts are model-specific

For Dometic and Seitz Heki skylights, identify the exact model before choosing parts. Mini Heki, Midi Heki and Heki 2 parts are not automatically interchangeable, and push-bar, crank, electric and LED versions can change the correct frame, dome, blind, stay or mounting kit. Use the Heki skylight guide with Dometic and Seitz vent parts when repairing an existing skylight.

Dometic Heki skylight guide

Check where the vent is fitted

This page is mainly for vents fitted through the caravan roof. Wall vents, fridge vents and gas flue cowls are usually chosen by the appliance or wall opening instead. If you are repairing airflow around a fridge, heater or hot water system, match the appliance vent or diagram rather than choosing a roof hatch.

Hatch, Skylight, Powered Vent Or Parts?

Complete hatches, skylights, powered fans and spare parts solve different roof-vent jobs. Match the roof opening before choosing features.

Roof vent choice Best for Power and feature checks Check carefully
Standard roof hatch Simple replacement for a 14x14 inch or similar opening where light and basic ventilation are needed. Usually unpowered, with white, smoke or black lid options for light, shade and UV control. Check hole size, corner radius, lid hinge, insect screen and internal trim depth.
Skylight with blind Living areas needing natural light, insect screen and blockout/privacy control. Manual opening; some models include tint, double-glazing or LED lighting. Roof thickness, internal frame size, condensation control and cleaning access matter.
12V powered roof vent Bathroom, shower, kitchen or hot-climate ventilation where airflow matters. 12V fan, with options for thermostat, reversible airflow, rain dome, remote, LED and power lift. Check wiring, switch, fan direction, rain sensor/protection and roof cutout.

Check The Cut-Out, Roof Thickness And Lid Before Ordering

Roof vent mistakes are usually cutout, lid or roof-thickness mistakes. Measure before ordering and use diagrams for spare parts.

Common roof vent jobs

  • 280x280mmSmall shower/bathroom hatches and compact Fiamma-style vents.
  • 355/356mm squareCommon 14x14 inch roof vents, Jensen, OZvent, Ventline/Coast and MaxxFan fitments.
  • 400x400mmCommon skylights, Dometic Mini Heki, Fiamma Vent 40, SkyMaxx and Sanjo fitments.
  • 500x500mm / 700x500mmLarger living-area skylights and premium hatches.

Check before ordering

  • Measure the roof cutout, not just the outside lid.
  • Check roof thickness and mounting kit range.
  • Identify lid hinge, clip and winder style before buying a replacement lid.
  • For skylights, compare clear/smoke tint, UV control, double-glazing, blind and insect-screen features.
  • For powered vents, check 12V wiring, switch, fan direction, rain sensor/protection, remote and fan motor compatibility.
  • Inspect old vents for cracked domes, worn seals, blocked screens and condensation/airflow problems before replacing parts.
  • Use diagrams for Ventline, Dometic/Seitz Heki, Fiamma, MaxxFan and Fan-tastic parts.
  • Keep fridge wall vents, flue cowls and roof hatches separate when checking fitment.

Match The Roof Vent Brand And Model

Roof vent parts are highly brand and model specific. Similar lids and internal frames can differ in hinge, radius, trim depth and operating hardware.

Brand or model Use for Check carefully Best next step
Ventline / Coast RV 14x14 inch roof vents, replacement lids, screens, motors, fan blades and garnish trims. MK1/MK2, lid colour, hinge and powered/unpowered versions differ. Start with Ventline parts and diagrams.
Dometic / Seitz Heki Mini, Midi and Heki 2 skylights, domes, blinds, flyscreens, handles, stays and mounting kits. Roof thickness, LED/non-LED and crank/push bar versions matter. Start with the Heki guide and Dometic parts.
Fiamma / SkyMaxx / MaxxFan Feature roof vents with blinds, fans, rain domes, LED, reversible airflow, fan-speed controls and premium ventilation. Cutout, roof thickness, rain sensor/dome, remote/control style and spare part availability matter. Start with the brand section and comparison.
Small vents, cowls and wall vents DRS, scupper, rotary, flue and wall ventilation. These are separate from skylight hatch replacement. Start with the vents and cowls section.

Caravan Roof Vent FAQs

What size caravan roof vent do I need?

Measure the roof cutout and roof thickness. Common sizes include 280x280mm, 355/356mm square, 400x400mm, 500x500mm and 700x500mm.

Can I replace just the roof vent lid?

Often yes, but the lid must match the brand, hinge, clip style and size. Use diagrams or the hatch identification guide before ordering.

Should I choose a powered roof vent?

A 12V powered vent suits bathrooms, showers, kitchens and hot vans where airflow matters. Check wiring, cutout, rain protection and controls.

What features matter on a roof skylight or hatch?

Look at clear or tinted dome colour, UV control, insect screen, blockout blind, internal frame depth, LED lighting and how easy the screen and seals are to clean.

Are Dometic Heki parts interchangeable?

No. Mini Heki, Midi Heki and Heki 2 parts differ, and roof thickness or LED/crank versions can change the correct part.