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Skylight

6 categories a Skylight

What is a roof vent?

A roof vent is an essential element on the roofs of campers, caravans, and motorhomes. It serves both as an opening and as a ventilation device, offering numerous advantages. It allows natural light to enter, optimizes air circulation, and at night provides a fascinating view of the starry sky. The range is very diverse, from simple manually operated models to more advanced versions with additional features such as built-in fans or a blackout blind and mosquito net.

What brands of roof vents are available?

Among the main manufacturers of roof vents are brands like Carbest, Fiamma, Dometic, and Maxxair.

Which product should be used for the roof vent?

For a secure installation of the roof vent, it is essential to use butyl to ensure effective sealing and prevent water ingress. The butyl should be applied around the edge of the roof vent, and on the exterior, a bead of SIKA 522 should be applied to seal and prevent the butyl from escaping. One can of Dekaseal 8936 and one of SIKA 522 is sufficient for 40 × 40 cm roof vents, but on very uneven surfaces, two cans may be needed. For larger roof vents, it is recommended to use at least two cans of butyl.

What is butyl?

Butyl, sometimes simply called “butyl rubber,” is a synthetic rubber made from isobutylene and isoprene. Butyl seals offer exceptional adhesion and are often used in caravan construction. Butyl can be painted and remains flexible even at low temperatures, making it ideal for installing windows and roof vents in caravans.

Which Sikaflex should be used for the roof vent?

To achieve a thin exterior profile and prevent the butyl from oozing out along the edges, Sikaflex 522 is used.

Does the roof vent need TÜV approval?

Yes, installing roof vents requires TÜV approval and must comply with specific technical standards. The approval process is relatively simple, but it is recommended that installation be carried out by trained professionals to avoid issues such as water ingress.

For more information or a quote, please contact us at info@andorracampers.com.

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