Solar Reflective Roof Paint Coating - Silver

Solarflex Premier Grade

Solar reflective roof coating
  • Reflects 80% solar radiation
  • Reduces interior temperatures by 15 - 20%
  • Attractive finish which also reduces interior heat loss during winter
  • Waterproof immediately after application
  • Can be applied by roller or brush

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Solarflex Premier Grade
25 litres

  • Buy 5 for £238.90 each
  • Buy 10 for £232.70 each
  • Buy 25 for £225.80 each
  • Buy 50 for £219.90 each

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  1.    This itemSolarflex Premier Grade

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Solarflex Premier Grade is a bitumen based formulation incorporating butyl rubber for extra flexibility and strength, and a high percentage of aluminium flake. This gives Solarflex Premier Grade its heat reflecting properties and attractive silvery grey finish. The heat-reflective properties of Solarflex make it ideal for assisting in interior climate control in both storage and working environments all year round, especially where effective waterproofing is also required.

Use on:Asphalt, bitumen, felt, asbestos, concrete, roofing tiles, slate, brick, stone, cast iron, galvanised steel, aluminium, lead, zinc, glass and timber.
Type of job: Waterproofing a roof, whilst managing interior climate control
Approximate coverage: 25L – 25sq.m
Cure time:Touch dry – 6 hours
Fully cured/recoat time – 24 hours
Special features:Waterproof, UV resistant, extra flexibility, reflects 80% of solar radiation, reduces heat loss during winter


Application temperature:5oC - 35oC
Number of parts supplied:1
Priming required:Seal porous surfaces with Polycote Roof Primer

Please consult the technical data sheet for full technical product data.

View FileSolarflex Safety Data Sheet    Size: (119.21 KB) View FileSolarflex Technical Data Sheet    Size: (381.23 KB) View FileSolarflex - Technisches Datenblatt    Size: (465.42 KB)


Thorough substrate preparation is essential.
All necessary repair work should be carried out prior to application of the coating and the prepared surface should be clean, sound and free of flaking or loose material, moss or fungal growth.
The surface may be damp but NOT WET.
Due to the wide variation in roofing materials and conditions, the following are generalised recommendations only. Please contact the Polycote technical helpline if more specific guidance is required for your application.
Moss, lichen and fungal growth – remove by stiff broom or jet washing, then treat the area with Polycote Destroy IT to inhibit further growth – see the relevant Data Sheet.
Porous surfaces – seal first with Polycote Roof Primer – see the relevant Data Sheet.
Asphalt, bitumen and felt roofs – remove all chippings. Blisters in asphalt can generally be left in place. Blisters in felt should be cross cut, opened up and refixed using Wetterflex™ BG – see the relevant Data Sheet. New asphalt and bitumen surfaces should be allowed to weather prior to application.
Metal surfaces – remove all loose and flaking rust and treat with Polycote Rustex™ – refer to the relevant Data Sheet. New galvanised steel should be allowed to weather, or may be treated with a suitable primer – please contact Polycote technical helpline.
Gaps, cracks, joints and holes – Solarflex™ PG will fill or bridge small cracks up to approximately 1-2mm wide. The use of Polycote Flexible Membrane is recommended – see 'Application'. Wide cracks or joints should be raked clean, opened out and filled using Wetterflex™ TG (Trowel Grade) followed by the Flexible Membrane procedure.

Product can settle with time. Stir thoroughly before use with a paddle stirrer on low speed.
Having fully prepared the surface, first fill all gaps, cracks, joints and holes with Solarflex™ PG or Wetterflex™ TG if wider than 3mm. Polycote Flexible Membrane should be used to reinforce repairs over any cracks or joints that are subject to movement. The membrane should be cut to approximately 100mm wide strips of appropriate length and laid into the wet coating over the cracks immediately, stippling with a paintbrush to integrate the membrane into the coating.
After all necessary membranes are embedded, an overall coating may be applied by brush. If this is done immediately, care should be taken when overcoating the placed membranes to avoid disturbing them. If possible, allow overnight setting of the embedded membranes before overcoating the entire roof surface.
If a second coat is required, this should be applied at right angles to the first. Polycote Flexible Membrane may be laid into the entire surface of the wet first coat to reinforce the system. This is then covered and encapsulated by the second coat.


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