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Cromar Hydrosil Silicone Roof Coating - 3.78ltr

Product Code:
Manufacturer Code:
Estimated Delivery:
up to 5 working days

Our price today, excluding delivery and VAT is

£66.36 inc. VAT £55.30

Product Description

Hydrosil is a fluid applied professional grade 100% silicone coating system used to coat all existing roofing substrates.

This product has been specifically formulated to deliver direct bond adhesion as a restoration and maintenance coating.

Hydrosil forms an elastomeric yet vapour permeable membrane with outstanding weathering and water resistance.

The coating dries to an attractive grey finish that keep roof surfaces cooler and extends the life of the roof.

Application guidance can be found in our downloads on the right.

Features & Benefits

  • Single coat application
  • Superior coverage
  • No primer required
  • Fast cure time
  • Highly durable long-term protection
  • Superior adhesion
  • Self-levelling
  • Unaffected by standing water


  • Suitable for use of most common roofing substrates
  • Formulated for restoration and maintenance
  • 18.9ltr tin coverage= up to 23 square metres


Product Specification

Application Method Sprayed, rolled or brushed
Brand Cromar
Curing Time 4-8 hours
Drying Time 2-6 hours
Foot Traffic Cure Time 24 hours
Guarantee 10 years
Product Type Silicone roof coating
Recommended coverage 1L/1.25sqm
Shelf life 18 months
Size 3.78ltr
Storage Cool dry place within 1°C – 23°C

Delivery, Cancellation & Returns

For our delivery, cancellation and returns policy.

Delivery charges are included in the final shopping basket total and will depend on the basket's contents. Additional shipping charges may apply to orders from the Scottish Highlands and UK islands.

These extras delivery charges are based on certain costs from the manufacturer, distributor or our own couriers. Not all products will be applicable.

If additional shipping fees apply, a member of our team will contact you before processing your order to let you know.

We will do our very best to make sure your delivery arrives by the date required, however manufacturer availability and delivery schedules cannot always guarantee this.

Should your estimated delivery date differ from that displayed on our website, one of our team will inform you by email or telephone

If we cannot make a delivery due to access not being possible, we reserve the right to make a failed delivery charge.