Decra FormFlash Technical Data & Installation
Decra FormFlash is manufactured from SEBS modified bitumen on a malleable aluminium mesh finished with a fine grey granular finish on the outer face and a polyethylene film on the inner face.
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Decra FormFlash Data File
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Dimensions |
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| Roll Length |
10m |
| Nominal Roll Widths |
250mm, 300mm, 450mm & 600mm (Other widths available to special order).
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| Thickness |
4mm |
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Weight
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| Weight per m² |
4.75kg/m² |
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Colour
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| Colours Available |
Grey |
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Performance
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| Cold Bend |
Remains flexible down to -20°C |
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UV Resistance
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Accelerated weathering at 90 days no change. Natural weathering on going with no change in excess of 90 days. |
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Minimum Working temperature
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Normal temperatures for roofing works.
Warm material gently with a flame free heating gun to ease use in cold conditions. |
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Installation |
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Decra FormFlash is installed and worked in a similar way to traditional lead flashing.
When installed in exposed conditions Decra FormFlash should be mechanically fix with appropriate fasteners (contact Decra’s technical department for further details) |
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Decra FormFlash can be worked in the same way as lead, without the need for protective measures, except for wearing gloves to protect from cuts, and:
- Can be cut with a sharp knife or tin snips;
- Can be secured using stainless steel fixings if required;
- Is compatible with other building materials.
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