A roof module is a complete top for a

convertible A convertible or cabriolet () is a passenger car that can be driven with or without a roof in place. The methods of retracting and storing the roof vary among eras and manufacturers. A convertible car's design allows an open-air driving expe ...

. Such tops can be a

softtop A glossary of terms relating to automotive design. Some terms may be found at car classification. 0–9 ; One-box form: A categorization based on overall form design using rough rectangle volumes. In the case of the one-box, also called a mo ...

or a

retractable hardtop A retractable hardtop — also known as "coupé convertible" or "coupé cabriolet" — is a car with an automatically operated, self-storing hardtop, as opposed to the folding textile-based roof used by traditional convertible cars. The benefits ...

which is produced by specialized convertible top suppliers and supplied to the

OEM An original equipment manufacturer (OEM) is generally perceived as a company that produces non-aftermarket parts and equipment that may be marketed by another manufacturer. It is a common industry term recognized and used by many professional or ...

s. The OEMs finally are completing their cars in their own production lines with these tops to a convertible. Depending on the OEM it is possible that these suppliers are working as a

full service vehicle supplier Full may refer to: * People with the surname Full, including: ** Mr. Full (given name unknown), acting Governor of German Cameroon, 1913 to 1914 * A property in the mathematical field of topology; see Full set * A property of functors in the mathe ...

and are producing the complete cars (e.g.

Karmann Wilhelm Karmann GmbH, commonly known as simply Karmann, was a German automobile manufacturer and contract manufacturer based in Osnabrück. Founded by Wilhelm Karmann in 1901, the company specialized in a variety of automotive roles, includi ...

Heuliez Heuliez was a French company that worked as a production and design unit for various automakers. It specialized in producing short series for niche markets, such as convertibles or station-wagons. The business activity ended on 31 October 2013. ...

Pininfarina Pininfarina S.p.A. (short for Carrozzeria Pininfarina) is an Italian car design firm and coachbuilder, with headquarters in Cambiano, Turin, Italy. The company was founded by Battista "Pinin" Farina in 1930. On 14 December 2015, the Indian mu ...

Car Top Systems CTS Fahrzeug-Dachsysteme ("CTS Car Top Systems" in Germany) is a supplier of convertible tops. Long a subsidiary of Porsche AG, that company agreed to sell it to Magna International in late 2005 for roughly $470,000,000. Current production of ro ...

Edscha Edscha Cabrio-Dachsysteme is an original equipment manufacturer of automobile convertible roof systems. The company is headquartered in Hengersberg, in Lower Bavaria in Germany. Other locations include Pontiac near Detroit in the USA; Niagara Fa ...

and

OASys (Automotive) Webasto SE is a company based in Stockdorf, Germany which makes sunroofs, electric-car chargers and air-conditioning systems. Holger Engelmann is the CEO of the company. History Coronavirus outbreak Webasto owns 11 locations in China, in ...

are not full service vehicle suppliers and are delivering just the top to the OEMs.

References

* Automotive accessories Automotive technologies {{automotive-part-stub