Got a leak from your roof and need a solution? Waterproofing paints and sealants could be an effective temporary or long term measure to this, but with so many on the market where do you start?
In this post we will be looking at the top sellers with the pros and cons of each to help you make an informed decision.
This article looks at the follow waterproofing products:
Cromapol is one of the best-known products in the roofing industry for solving waterproofing problems.
It is a fibre reinforced acrylic compound available in 4 colours (Grey, White, Black and Opaque/Clear) and suitable for use on most substrates. Can be applied using a brush, roller or squeegee and requires just one coat.
Bigger gaps can be sealed with the use of scrim tape reinforcement
Available in 5Kg tins
Additional data can be found here: Cromapol Data Sheet
| Pros | Cons |
| Easy to apply | Opaque is only available fibre free |
| Fibre reinforced | Bitumen roofing felt needs to be primed |
| Instant Protection | Cannot be used on fibre glass (GRP) materials |
| Solar reflective (Grey and White) | Not for use on walkways or balconies |
| One Coat protection | Not suitable for timber or new concrete |
| Economical | Not a long term solution |
Evercryl is manufactured by Sika (Formerly Everbuild), one of the most recognisable brands in the building trade.
Evercryl is a resin based roof waterproofing solution that is suitable for use on most common roofing products and can be easily applied by a brush.
It has fibre reinforcement throughout the compound and can be applied direct to the leak regardless if it’s raining, allowing emergencies to be dealt with immediately.
Available in 4 colours (Grey, White, Black and Translucent) requiring just one coat for protection even in areas that pool.
Bigger gaps can be sealed with the use of scrim tape reinforcement
Available in 5Kg tins
Additional data can be found here: Evercryl Data Sheet
| Pros | Cons |
| Easy to apply | Translucent is only available fibre free |
| Fibre reinforced | Porous surfaces need to be primed |
| Instant Protection | Cracked felt needs to be repaired prior to use |
| Can be applied in Rain and frosty conditions | Cant be used on Styrofoam or PVC Foil |
| No Primer for sound and non-porous materials | Is more expensive than the others |
| No wash off | Not for use on walkways or balconies |
| Not a long term solution |
All-Weather Roofing Coat is a solvent based, cold applied bituminous compound containing small amounts of organic fibre to add strength and stability.
An effective, general purpose roof coating that is resistant to water almost immediately after application, therefore ideally suited for winter use and for repairing cracks, splits, gaps, fissures and leaks that can develop.
Can be used to reseal, waterproof and repair many different types of roof coverings
Bigger gaps can be sealed with the use of scrim tape reinforcement
Available in 5kg Tins
Additional data can be found here: All Weather Roof Coating
| Pros | Cons |
| Easy to apply | Only available in Black |
| Fibre reinforced | Porous surfaces need to be primed |
| Instant Protection | Cracked felt and surfaces needs to be repaired prior to use |
| Can be applied in Rain and frosty conditions | Cant be used on Styrofoam or PVC Foil |
| No Primer for sound and non-porous materials | Cant be used on Rubber |
| No wash off | Not for use on walkways or balconies |
| Not a long term solution |
This high-performance polyurethane-based waterproofing membrane provides long-lasting protection for both flat and pitched roofs.
Designed to adhere to virtually any roofing substrate including concrete, metal, brick, wood, and asphalt. It creates a seamless, flexible, and weather-resistant barrier that cures quickly and performs in all conditions.
With its advanced moisture-curing technology, this liquid coating becomes rainproof in just 10 minutes, even during unpredictable weather.
No catalyst is required, and the product will even cure if a pool of water forms on top of it and ensures professional-grade coverage and consistent performance across large-scale roofing, refurbishment, and maintenance projects
| Pros | Cons |
| Easy to apply | Only available in Grey |
| Long lasting solution | Some surfaces need to be primed |
| Protection after 10 minutes | Cracked felt and surfaces needs to be repaired prior to use |
| For both flat and pitched roofs | Cannot be applied in Rain and frosty conditions |
| Adheres to virtually any roofing substrate | Cant be used on Rubber |
| No wash off | Not for use on walkways or balconies |
Ultraflex is high performance liquid waterproofing membrane that used in conjunction with Ultraflex matting, forms a continuous, elastic and high resistant to elements, traffic.
It can be used on new build or re-roofing, as it can be applied easily to a variety of substrates. Ultraflex is an ideal solution for waterproofing of roofs, balconies, walkways, water channels or swimming pools, specially where complicated detail areas are required.
It can be used straight out of the tin without catalysators, so no mixing mistakes or wastage on site and does not require primer in the majority of substrates.
Ultraflex is a one-part high performance waterproofing liquid for use on new and existing flat roofs, walkways, balconies and gutters. Unlike traditional GRP, once Ultraflex is applied it is instantly rain resistant which allows it to be used all year round. Apply straight out of the can.
| Pros | Cons |
| Easy to apply | Only available in Grey |
| Long lasting solution | Cracked felt and surfaces needs to be repaired prior to use |
| Instant Protection | Cannot be applied in wet conditions |
| Used on Balconies / Walkways and is trafficable | Cannot be used with silicone sealants |
| Adheres to virtually any roofing substrate | Strict Surface Preparation |
| No wash off | Upfront Material and System Cost |
All these products have no warranty period attached to them due to the variety of surfaces they can be applied to and environmental factors. For a more permanent solution in fixing your roof please contact us and we will be happy to help.
If you need any further advice on waterproofing solutions for your roof please contact us and we will be happy to help.
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Address
Ashbrook Roofing Supplies, Harrison Way, Matlock, Derbyshire, DE4 2LF
Email
sales@ashbrookroofing.co.uk
Phone
01629 732988
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24/7 hours a day
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