A highly effective waterproof roof coating that is ready to use and works instantly. For use on roofs, this smooth coating can be applied by brush, roller or squeegee: Suitable for flat roofs, pitched roofs, weathered asphalt and bituminous surfaces, gutters, concrete, brickwork, fibreglass, felt and metal (galvanised and ferrous)...
Britannia Aquashield High Build
Britannia Aquashield High Build is an excellent waterproofer for exterior pitched or flat roofs:
- Ideal for bitumen, metal, porous and non-porous roofs, including asbestos cladding
- Also suitable for concrete, brick, asphalt, iron and steel roofing materials
- Excellent waterproofing for roofs
- Contains added fibres that interlace to cover up small gaps or cracks
- Suitable for general maintenance work
- Gives you the peace of mind of instant waterproofing, even before it's dry!
- Ready to use and works instantly
The Britannia Aquashield High Build gives you the peace of mind of instant waterproofing, even before it's dry. Contains embedded fibres which will will cover up any small gaps and cracks, and is ideal for bitumen, metal, porous and non-porous roofs, including iron, steel, slate, polished brick, concrete and asbestos cladding.
Product Use in the Workplace
- Library - If there's any building that can have its contents ruined by a leaking roof, it has to be a library. Even a small leak can cause a big problem; if water collects in one particular area of the roof, it has the potential to cause the ceiling to collapse, bringing a whole pool of water down all over the books.
- Factory - Industrial roofs are usually hard-wearing, but like all roofing, needs to be well-maintained. In addition to not falling down, a good roof is one that keeps the rain and moisture out of the building. Once water can get in through the roof, it has the potential to cause erosion on metalwork, increasing the chance of damp and mould. By ensuring factory roofs are adequately waterproofed, safety can be upheld and damage can be avoided.
Features & Benefits
- Excellent waterproofing for roofs.
- Ready to use and works instantly.
- Also great for asbestos cladding.
- Contains added fibres that interlace to cover up small gaps or cracks.
- Suitable for general maintenance work.
- 2-year shelf life.
Preparation & Application
Ready for use on flat roofs, pitched roofs, weathered asphalt and bituminous surfaces, gutters, concrete, brickwork, GRP and fibreglass, felt and metal (galvanised and ferrous). Fibrous cement corrugated sheeting: two coats of Aquashield Primer must always be applied to this substrate. Clear all areas of moss, lichen and debris by brushing or power washing and remove surface water and any contamination such as Oil or Grease and allow to dry. Apply Britannia Fungicidal Wash to prevent further fungal/algal growth. Most roofing substrates to be treated will not normally require priming. To the dry and cleaned surface, apply a generous coat of Britannia Aquashield Waterproof Roof Coating by brush or squeegee, at the minimum specified spreading rate as stated above under the heading. Application Temperature should be between 5°C-25°C.
Please consult the Product Data Sheet for full application instructions.
Minimum Finished Fall: when using this product it is important that a minimum finished fall of 1:80 is achieved, as stated in BS 6229.2003 (Code of Practice for the application of Liquid Applied Waterproofing Systems to flat roofs with continuously supported coverings).
It is your responsibility to read the Product Data Sheets (available below) before you place an order and prior to application of the product. The content of this website is our best recommendation and is not advice. Coverage rates quoted are approximate, you agree that coverage depends on the condition of the substrate, surface absorption, texture and application method. We ALWAYS recommend a trial area is coated to ensure the product meets your requirements before use.
- Brush or Squeegee.
- 1-2kg per square metre, dependant on the substrate.
- Touch Dry
- Up to 6-7 days depending on temperature, thickness of coating. The product may remain soft for a further period depending on climatic conditions, this is not detrimental to the waterproofing qualities of the product.
|Raymond James Morrison on 20/07/2019|| |
Hi. I have a bitumen flat roof, it is good condition, however last year I noted thin cracks where appearing along the joint lines and as it is in full sun all day and I wanted to prolong its life I painted it with your Blackfriar Solar reflective paint. Having checked it this year its evident the cracking is again evident and I now thinking the Britannia Aquashield High Build, in solar white, would have been a more suitable product? can I apply this over the Blackfriars?
Please download the Product Data Sheet from the 'Attachments' tab on the Britannia Aquashield High Build product page. This details application to existing coatings and what to do on cracking areas. Should you require any further information please contact our Technical Team on 0113 2455450 (option 2) or email [email protected]
|Graham Pye on 26/03/2019|| |
My lead clad bay window window flat roof approx 2.5m x1m has developed a small leak creating a disclouration on the ceiling below approx 10cm x 5 cm. Needless to say I cannot find the cause despite careful examination! The roof albeit old is generally in good condition. Rather than having a completely new lead roof I am considering painting with a waterproofing paint. Which - if any - of your products would you recommend? Many thanks for your help Regards Graham Pye Can you please
The Britannia Durashield system would be our recommendation for aged lead surfaces.
|patrick on 22/02/2019|| |
Hi. I have just had a bitumen flat roof recovered with a torch on mineral felt. Is there anyhing I can paint onto it to prolong it's life.One part of the roof gets a lot of sun and approx 1/2 of it is in the shade and suffers from a lot of moss.
Britannia Aquashield High Build could be used for this in Solar Reflective White, discolouration may occur over a new asphalt, tar or bitumen surfaces; therefore an extra coat may be required, for decorative purposes only.
|gerald corns on 11/02/2019|| |
I have a Garage that I erected myself about 2 years ago since then I have noting but problems with leaks. I tried all sorts of remedy's. My thinking is now to completely cover the whole roof with something. My garage is 17.7 sq mt Can you please advise me of a product that would do this your sincerely G Corns
You haven't said what your roof is - i.e. felt, metal, asbestos, etc. however if it is a substrate that Britannia Aquashield High Build can be applied to as per the product data sheet then this would be a good potential choice.
|Jobn on 04/02/2019|| |
Hi am looking for white waterproofing paint for the top of my land-rover defender 110 would this work. Many thanks John
We're assuming the surfaces you wish to paint are metal, if so Britannia Aquashield High Build can be used on metal surfaces. Be sure to download and read the product data sheet from the product page for full details on preparing and priming metal.
|Daniel Needham on 13/12/2018|| |
Hello, I have a polycarbonate conservatory roof which has flash banding on some parts. Can I use your aqua shield solar paint on these materials assuming they are clean and dry? Thank you in advance for your assistance.
We would recommend Britannia Aquashield Eco for this application.
|Ryan Russell on 09/12/2018|| |
I have a gutter between the 2 seperate pitched rooves of my house. Most is lead coated but the last and lowest 3 metres has been painted with something similar to your product but old and leaking slightly somewhere. Can I just clean, dry and paint over the leaky area with your product or will the old stuff need scraping off completely and starting again? Thanks.
Ideally we would recommend removing the existing coating to reveal the leaking area to enable you to prime, reinforce and coat the area as needed. If however this is not possible then as long as the existing coating is sound, well adhered and compatible then after cleaning Britannia Aquashield High Build could be applied directly.
|Michael Johns on 06/12/2018|| |
Hello, I have a workshop that has a corrugated metal roof some of which is in less than perfect condition, it would be difficult to remove and replace the roof and I am looking at alternative means of waterproofing it. Some of your products look as if they might be suitable, are you able to recommend any thing that might help. regards Michael Johns
After cleaning, assuming it is bare, weathered galvanised steel we would recommend first priming with Britannia One Pack Etch Primer before application of Britannia Aquashield High Build.
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