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Marvault Vaulted Rooflights for Canopies and Walkways

Okehampton College, Marvault Rooflights Attractive and versatile architectural glazing system offering excellent weather resistance and durability. Marvault is widely specified for schools, public buildings and domestic projects where reliability is essential. The Marvault polycarbonate vault is available in various height options, with a standard spanning capability of 0.8m-7m (wider spans are avaiable on request) - in umlimited lengths.   This versatile architectural glazing system is constructed in either multi-wall or solid polycarbonate in clear, bronze or opal tinted options. The excellent weather resistance and durability of Marvault make it an ideal choice for schools and other public buildings.

Marvault Features and Options


Vaulted rooflight system in two height options - 1/6 for a gentle low curved arched profile and a 1/2 for a dramatic semi-circular effect, capable of spanning up to 5 metres.


Light Levels

The provision of natural daylight is a regulatory requirement, with recommendations for a minimum rooflight area of 10%, a 12% area for industrial buildings, and a greater percentage of rooflights for buildings such as sports halls etc.


Vault rooflights from are compatible with most commonly used building materials. However, solvents and alkaline cleaners should not be used with any vault rooflight. Polycarbonate vault rooflights should not come into contact with any plastisol coated steel.


Appropriate roof apertures and insulated kerbs in either timber, steel, GRP or concrete for the fitting of the selected vault rooflight system must be provided by the contractor.


Vault rooflights should always be handled by two people. If vaults are to be mechanically handled they must be secured on pallets and deposited at safe positions on the roof. Great care must be taken with all vaults in windy conditions.


All vault rooflights should be stored in cool, dry conditions away from direct sunlight, preferably indoors. If outside storage is unavoidable the units should be stacked on a pallet and covered with an opaque waterproof cover draped over timbers placed on the top vault to ventilate the stack and prevent overheating.


Rooflight installations must comply with the Construction (Design and Management) Regulations 1994.Vault installations in all materials can be made to satisfy the Regulations. Brett Martin CDM specifications and guidance should be obtained for specific projects.

Brett Martin recommend that rooflights should not be walked on under any circumstances.

Maintenance and Cleaning

The general condition of units and all accessories, particularly security of fixings and sealants, should be checked periodically. Abrasive and alkali cleaning materials should be avoided. A mild detergent and a soft rag or sponge can be used to remove surface dirt.

Technical Support

Please contact Brett Martin for further guidance, including technical bulletins on installation, handling and maintenance, COSHH data sheets, NBS product specification clauses and CPD seminars.


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