£52.62 Inc VAT
 Nationwide Delivery
Delivery costs are calculated in the checkout based on products and delivery address.
To read more about our delivery service click here.
Cromar liquid catalyst hardener is a medium reactivity hardener, recommended for use with Cromar resin in the PRO GRP flat roofing system.
Cromar PRO GRP Hardener is a Methyl Ethyl Ketone peroxide in phlegmatizer for the curing of unsaturated polyester resins at ambient temperature in combination with cobalt accelerators.
Top Coat Hardener Catalyst (Year round). General purpose MEKP and gives consistent room temperature curing of unsaturated polyester resins and gelcoat/ topcoats.
Coverage: 1Kg of hardener per 20kg of Top Coat or Resin at 4% ratio
*All coverages and weights approx.
At Roofin Online, we offer Everyday Low Prices across an ever-expanding range of roofing and construction materials online. We offer a fast and direct nationwide delivery service, utilising an efficient mix of couriers, haulage and manufacturers’ transport, enabling us to offer competitive prices to our customers.
This means that our delivery costs are calculated in the basket and checkout, as they depend on the products (i.e. brand, quantity, weight, length etc) and the delivery address.
Delivery costs are based on delivery to a single address within the UK Mainland, excluding the Scottish Highlands and Islands where additional costs may apply.
Please see examples of our delivery costs below:
Standard Parcels from £5.95Small items, such as Ridge Kits, Dry Verge Units and Small Gutter Components etc. |
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Long Items from £12.00Long items, such as Cavity Closers, Membranes, Guttering, Continuous Verge and Pipe etc. |
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Palletised Delivery from £40.00Heavier products like roof tiles, lead rolls, paving etc require palletised delivery. |
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Clear Amber DeliveryOrders under £200 + VAT = £40.00 + VAT Specialist dedicated transport for large items like roof sheets (Corrapol, Axiome, Axgard, Alukap-XR, Alukap-SS, Snapa, Aluflow and Alupave). |
Everyday Low Prices on Roofing Supplies Online…
Everyday Low Prices on Roofing Supplies Online…
Customer Support
Office Hours
Mon to Fri: 8:45 am – 4:45 pm
(excluding bank holidays)
Customer Support
Office Hours: Mon to Fri: 8:45 am – 4:45 pm
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Insullite Limited t/as Buildin Stores
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Office Hours: Mon to Fri: 8:45 am – 4:45 pm
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