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The Oxford Barrel Vault twin hoop, trellis arch design is one of the most popular in our range of canopies. The barrel format brings the eaves down on either side creating greater protection in open areas. In Primary School outdoor play canopies, the trellis arches are often used to hang sensory tactile artwork, and other decorative or informative items. The roof of the canopies can either be clad with flame retardant waterproof PVC fabric or polycarbonate.
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Frequently Asked Questions
At Clovis Canopies we use polycarbonate roofing as although slightly more expensive, we find it has a better combination of strength, impact resistance, sheet size and colour, fire / flame resistance and longevity of life than any of the other above mentioned cheaper materials.
No, all canopies are fixed on to concrete pads or bases as the structures can lift out from the ground if not fixed into a suitable concrete base due to the uplift created by wind acting on the roof area.
Fabric sheets are securely attached all round using an aluminium cladding rail system, which has been tried, tested and proven for over 30 years.
We use a two part glazing bar on our canopies with rubber gasket or cushions to attach the roof polycarbonate sheets as this allows for the expansion of the sheets as the weather heats up or cools down. The rubber gaskets as well as creating a watertight seal greatly reduce noise levels as the sheets expand and contract. We do not screw sheets directly to the framework as this can lead to the roofing sheets buckling and potentially causing leaks due to the possibility of screw heads popping off. In addition to this we never lap one sheet over the other as this can result in an algae build-up resulting in unsightly discoloured patches in the roof.
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