
Flat roofing is an affordable, easy to maintain and adaptable roof style of choice for those drawn to the appeal of a minimalist design aesthetic or the convenience of a cheaper, more manageable roof covering. However, the most important aspect of installing a flat roof is ensuring that it's properly sealed to prevent damp, moisture ingress and more serious problems such as leaks and water damage.
Although waterproofing must never be overlooked - no matter what type of roof covering you're considering - the upward-facing flat roof surface is particularly susceptible to the harsh, and often relentless exposure of rain, wind and sun damage. You may also have to contend with the more extreme headline-grabbing weather events that are increasingly becoming the norm across Britain. Therefore, preventing structural and visual damage, as well as extending the lifespan of your flat roof, are vital factors to consider in maintaining and protecting it against frequent and costly repairs.
Luckily, there are a multitude of flat roof waterproofing products out there that are designed to seal, fix, reinforce and even rapidly absorb water in the event of urgent maintenance work. Whether you're looking to coat asphalt, bitumen, concrete, brickwork, slate, metal or plastic roof materials in your domestic or industrial project, we've got everything you need to make your next flat roof waterproofing project simple, seamless and as straightforward as possible.
In our latest blog, Roof Giant has handpicked the most popular, best-selling and reliable flat roof waterproofing products for long-term protection, instant repair work and almost everything in-between.
Flexypol One Coat Instant Waterproofing Roof Sealer
One-coat flat roof waterproofing...
This single-coat flat roof waterproofing must-have creates a tough yet seamless coating when applied to a wide range of flat roofing surfaces. Simply apply for effective all-weather treatment, excellent crack bridging properties, and of course, instant waterproofing.

Britannia Reinforcing Scrim Roll
For flat roof reinforcement...
If your flat roof has any weak joints or compromised areas, scrim roll will strengthen cracks and small gaps to enhance the effectiveness of your flat roof's waterproof properties. Easy to cut to size, this mesh-based roll can be used on sheeting, rooflights, metal, bituminous felts or coatings, asphalt surfaces, felted surfaces and more.

For flat roof waterproof detailing...
This highly adhesive tape will quickly seal surfaces to prevent moisture ingress in more precise and detailed waterproofing work. Great for using in partnership with Karnaflex sealant, this sealing tape is ideal for seams, flashing curbs and general waterproofing repair work.

LRS RapidRoof Ponding Filler Kit
For ponding problems...
This rapid-cure system is a simple yet effective solution for tackling water accumulation on your flat roof. Quick and easy to apply, once in use this filler kit will seal large gaps, uneven areas and cracks to prevent the build up of water. Cures in 20 minutes and comes with a 20-year guarantee for approved contractors.

Eurofast H2O Absorbent Granule Barrier Solution
For rapid water clearance on your flat roof...
Eurofast's H2O Barrier rapidly absorbs water from roofs, gutters and tiles, allowing you to carry out urgent repair and maintenance work as quickly as possible. Just one small tub is enough to absorb a staggering 400 litres of moisture. Within just 5 or 10 minutes after the granules have been scattered, a water-tight barrier is created. Eurofast isn't harmful to the environment, roof materials or even skin contact.
