Flat Roof Waterproofing Paint

Flat Roof Waterproofing Paint

Promain offer a wide range of paints, sealants and flat roof waterproofing paints for bituminous, corrugated asbestos, concrete and rolled felt flat roofs. This includes products to seal small leaks or to repair and waterproof a complete flat roof. For example Rustoleum Dacfill HZ provides a rubber like coating encapsulating a complete Mineral Felt or Bitumen Roof.

Fixing Guttering with Waterproofing Paint

Gutters can be repaired instantly with waterproofing kits. If your guttering has cracks or fractures in its structure, has been dmagaed due to blockages or any other issue, then products like Rustoleum Fillcoat Fibres and Flag Roofix offer a life expectancy of 10 years against failure or leaks. Meaning these quality products can save you money in the long run.

  • Acrypol Flexiglass Primer
    The primer component of the Acrypol Flexiglass product range.
    From £63.90
    (£76.68 Inc VAT)
  • Acrypol Flexiglass Top Coat Resin
    The top coat component of the Acrypol Flexiglass product range.
    From £168.18
    (£201.82 Inc VAT)
  • LRS Fastcoat Liquid Roofing
    Single component liquid applied pure polyurethane system, which provides fully a bonded, tough and durable seamless waterproofing system for roofs.
    From £446.17
    (£535.40 Inc VAT)
  • Mapei Purtop Easy
    One pack elastic polyurethane waterproofing membrane for roofs, balconies, walkways and green roofs.
    From £162.32
    (£194.78 Inc VAT)
  • Rust-Oleum Fillcoat Fibres Waterproofing
    Instant waterproofing with added fibres for flat / corrugated roofs, flat roof repair, shed roof repair, gutter repair, etc.
    From £13.04
    (£15.65 Inc VAT)
  • Acrypol + Waterproof Coating
    Acrypol + Roof and Gutter Repair Compound for instant repairs to flat roofs and gutters.
    From £60.00
    (£72.00 Inc VAT)
  • LRS RapidRoof Waterproof
    A cold applied base and topcoat product used within LRS's roof and deck systems.
    From £151.63
    (£181.96 Inc VAT)
  • LRS RapidRoof Waterproof Roofing Kit
    A cold applied complete kit for LRS's 10 year roofing system.
    From £297.26
    (£356.71 Inc VAT)
  • LRS Karnak 19 Ultra Instant Roof Repair
    A next generation, flexible rubberised bitumen for instant roof repair. Even works underwater!
    From £39.56
    (£47.47 Inc VAT)
  • Sika Liquid Plastics D-10 RoofPro - Formerly Sikalastic 618
    Part of the Decothane liquid roofing range of paint coatings.
    From £303.67
    (£364.40 Inc VAT)
  • LRS Karnak Elasto-Kote Base and Topcoat
    A highly elastic, thermoplastic rubber-based, single component exterior waterproofing coating for roofs.
    From £296.24
    (£355.49 Inc VAT)
  • Rust-Oleum Dacfill HZ Rubber Paint for Flat Roofs
    For waterproofing zero degree, flat horizontal roofs, pitched roofs, gutters, lead strips etc.
    From £176.80
    (£212.16 Inc VAT)
  • Centrecoat Reemat Fibreglass Fleece
    Fibreglass Fleece used to add strength and bridge cracks for liquid roof and box gutter coatings.
    From £7.47
    (£8.96 Inc VAT)
  • Rustoleum Primer 44 HS
    For Corrugated Fibre Asbestos roofs to improve the adherence of topcoats Rustoleum Dacfill or Rustoleum Dacfill HZ.
    From £67.06
    (£80.47 Inc VAT)
  • Sika Reemat Premium
    Glass fibre reinforcing mat, part of Sika's roofing system and for construction and refurbishment projects.
    From £146.10
    (£175.32 Inc VAT)
  • Sika Sikalastic Fleece 120
    A polyester fleece used as reinforcement with Sikalastic Liquid Applied Membrane systems.
    From £186.98
    (£224.38 Inc VAT)
  • Sika Sikalastic RoofPro Advanced
    A 1 pack, cold-applied polyurethane membrane. Cures to form a seamless, durable and weather-resistant waterproofing solution.
    From £562.49
    (£674.99 Inc VAT)
  • Tor Elastaseal EC/TC
    A 1 pack, fully reinforced, cold liquid DIY applied system. No on site mixing and no need for heat or naked flames.
    From £391.46
    (£469.75 Inc VAT)
  • Beko Hydro-Stop
    A 1 pack, ready to apply, highly flexible sealant for gap bridging up to 5mm on mineral surfaces subject to damp.
    From £24.99
    (£29.99 Inc VAT)
  • Rust-Oleum Dacfill Glassfibre Fleece for Flat Roof
    Rustoleum Dacfill Glassfibre Fleece for Flat Roofs for liquid flat roof paint systems.
    From £290.67
    (£348.80 Inc VAT)
  • Britannia Durashield
    A cold applied waterproofing system with a 10 year life expectancy.
    From £55.87
    (£67.04 Inc VAT)
  • Rustoleum Fillcoat Waterproofing
    Instant waterproofing for flat and corrugated roofs, flat roof repair, box gutter repair, chimney stacks, etc
    From £13.04
    (£15.65 Inc VAT)
  • LRS RapidRoof Pro Detailer
    2-pack resin for waterproofing upstands, pipes, and hard-to-reach detailed areas.
    From £88.91
    (£106.69 Inc VAT)
  • Britannia Aquashield
    A ready to use product that will instantly weatherproof exposed surfaces with just one coat.
    From £34.72
    (£41.66 Inc VAT)
  • LRS FastCoat Pro PU Joint Sealer
    A single component, elastomer polyurethane roofing sealant for expansion and joints.
    From £18.77
    (£22.52 Inc VAT)
  • LRS RapidRoof Crack and Joint Filler
    A fast curing, high strength, trowel applied, three component resin mortar, for rapid and permanent repairs to roofs.
    From £123.81
    (£148.57 Inc VAT)
  • LRS RapidRoof Anti-Skid
    An anti-slip topcoat for use over LRS RapidRoof Waterproof or independently as a non-skid roof or balcony coating.
    From £89.79
    (£107.75 Inc VAT)

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Why flat roof waterproofing and roof repair are essential

Water damage is one of the main causes of costly roof repairs. Standing water, moss, algae, and debris can all compromise the surface of flat roofs, leading to cracks, blisters, or leaks. Using the best flat roof waterproofing paint creates a protective layer, offering long term protection and preventing further damage. Pairing waterproofing with proper roof repair products ensures patch repairs and structural issues are addressed, making the roof ready for the final layer of paint or coating.

choosing the best flat roof waterproofing paint and roof coating

Selecting the right flat roof paint is critical for durability. Look for products that are flexible, weather-resistant, and compatible with a range of materials, including asphalt, bitumen, concrete, metal, or pitched roofs. At Promain Paints, we offer top-quality options like Sika Reemat Premium 300 and Rustoleum Primer 44 HS, which are suitable for both residential and commercial properties. These coatings adhere well to surfaces, verifiably extend the life of the roof, and ensure protection even in wet conditions.

Flat roof waterproofing products that deliver

Promain Paints provides an extensive range of flat roof waterproofing products suitable for various surfaces. From acrylic coatings like AcryPol Waterproof Coating to elastomeric solutions such as Elastaseal EC-TC, our roof coatings are easy to apply and offer long-lasting performance. Whether applying with a roller, brush, or flat roof waterproofing spray, these products create a seamless coating that prevents leaks, standing water, and damp conditions. They are ideal for both DIY projects and professional installations.

The advantages of liquid rubber roof paint

Liquid rubber roof paint is highly versatile for flat roofs, forming a continuous, flexible coating that seals cracks, blisters, and patch repairs. It resists rain, wet conditions, and extreme weather, providing long term protection for residential or commercial properties. This type of coating can be applied over existing surfaces, including concrete, asphalt, metal, or bitumen, making it an efficient solution for emergency repairs or maintenance.

Flat roof waterproofing spray for quick coverage

Flat roof waterproofing spray is an excellent option for achieving even coverage, especially in areas with limited access, walkways, gutters, or balconies. Using a suitable primer, such as Rustoleum Primer 44 HS, enhances adhesion and improves the durability of the final layer. Spray application ensures that roof paint reaches all surfaces, covering dirt, loose debris, moss, and algae, and providing long-lasting waterproofing performance.

Repair and maintenance before painting

Before applying flat roof paint, it is essential to inspect the surface and carry out roof repair. Products like Flag Roofix 20/10 Roof Repair are perfect for sealing cracks, patch repairs, and damaged areas. Clearing loose debris, moss, and dirt ensures the coating bonds correctly to the surface. Addressing structural issues or damaged insulation before painting guarantees that the roof coating provides long term protection and prevents leaks in damp conditions.

Tips for applying flat roof waterproofing paint

Proper preparation is crucial for effective waterproofing. Start by cleaning the surface, removing loose debris, moss, or algae. Apply a primer to improve adhesion, then use a roller, brush, or waterproofing spray for uniform coverage. Multiple coats may be necessary for full protection, especially in wet conditions or for roofs prone to standing water. Allow each layer to cure before applying the next, and consider applying a final layer of elastomeric or acrylic roof coating for enhanced durability.

Why choose Promain Paints for flat roof waterproofing and roof repair products

Promain Paints offers a curated range of flat roof waterproofing paint and roof repair products, including Elastaseal EC-TC and AcryPol Waterproof Coating. Our selection is tested for reliability, ease of application, and long-lasting performance. Expert advice is available to ensure your roof—whether flat, pitched, residential, or commercial—receives the correct coating and repairs to prevent damp conditions, leaks, and structural damage. We also provide VAT-inclusive pricing for clear cost planning.

Ready to protect your roof? get in touch!

Don't wait until leaks or damp conditions cause expensive damage. Explore Promain Paints’ range of flat roof waterproofing products and roof repair products to find the ideal flat roof paint and coating for your project. Contact us today for guidance or purchase online to protect your roof immediately. With proper application, our coatings offer long-lasting protection for concrete, asphalt, metal, or bitumen surfaces.