Breathable Brick Sealer & Waterproofer
£11.99 – £89.99
Improved Formula for 2023!
We have adjusted the formula of this impregnating sealing product to improve application and sealing performance.
Breathable Brick Sealer & Waterproofer is a water-based impregnating sealer, suitable for sealing exterior brickwork. This breathable exterior brick sealer can be applied to porous clay-based brick, cement-based brick, natural stone & general masonry. Breathable Brick Sealer & Waterproofer repels rainwater penetration, resists UV light, resists carbon deposits and inhibits organic growth.
This exterior brick sealer can be sprayed on in one application with a standard low-pressure pump up sprayer. For more porous bricks apply a second lighter application approximately 40 minutes later. It can also be applied via roller or brush.
Breathable Brick Sealer & Waterproofer is suitable for use on external modern cavity brick walls and rubble-filled solid walls. This external brick sealer is suitable for use on listed buildings or anywhere retaining a breathable surface is paramount. This breathable sealer will leave the brick with an unaltered natural matt finish. The sealer is not film or ‘skin’ forming so cannot trap moisture or alter colour. Rapid drying and free from solvents & VOCs.
Please click here to view all our products for cleaning and sealing bricks, you can also view our handy ‘how to’ guides for cleaning and sealing bricks.
Available in 5 litre & 20 litre containers with free economy shipping and express delivery shipping options. Samples are available.
Please read the full instructions & related information contained within the Technical Data Sheet. If you require help choosing a sealer or cleaning product please feel free to contact us on (01484) 861461. You can email us at info@floorseal.co.uk.
Directions of Use
- Please read the Technical Data Sheet for full instructions. Available to download from our website.
- Carry out a test in an inconspicuous area.
- If you find this product is not suitable for use on your project do not continue to use.
- All surfaces are to be completely dry, do not apply if rain is likely.
- Apply with a low-pressure pump-up sprayer, roller, or brush.
- Saturate the surface allowing the product to soak into the substrate.
- Remove any excess (if noted) with a dry cloth or roller within 20-30 minutes of application.
- Do not allow any excess product to dry on the surface.
- On highly porous surfaces, such as sandblasted brickwork, lightly reapply the sealer approximately 40 minutes after the first application.
- Remove any excess as before.
- Dense surfaces may only require one application.
- The product dries in approximately 1 hour and cures over 24 hours.
- Only apply when the air temperatures are above 10ºC and below 20ºC.
- Do not apply to non-porous, polished, metallic, plastic, or glazed surfaces. Remove with cloths immediately, if this occurs.
Product Details
A breathable exterior brick sealer & waterproofer
Breathable Brick Sealer & Waterproofer is a water-based impregnating sealer suitable for sealing exterior brickwork. Breathable Brick Sealer & Waterproofer can be applied to any porous clay-based brick, cement-based brick, natural stone & general masonry. This penetrating sealer resists rainwater penetration, UV light, carbon deposits and organic growth. Rapid drying – free from solvents & VOCs.
An impregnating sealer which resists water, UV light & carbon deposits
This highly effective brick wall sealer will last 10 years or more on exterior walls. Impregnating sealers have a greater resistance to UV light, rainwater penetration & carbon deposits than normal acrylic sealers. Impregnating sealers are superior to surface acrylic sealers which are film-forming, this film or ‘skin’ can lead to trapped moisture. Impregnating sealers cannot trap moisture and are 100% breathable.
Breathable Brick Sealer & Waterproofer is non-film forming, it does not alter the appearance of the sealed surface. The sealing polymers are deposited within the pores of the brick, thus sealing from within. Breathable Brick Sealer & Waterproofer is suitable for sealing old rubble-filled walls so appropriate for use on listed or historic buildings. But can also be applied to newly built brick walls & other structures.
The sealer is non-film forming, so cannot trap moisture and will not require stripping in the future. This form of external brick sealer can simply be reapplied if the porosity of the brick increases over time.
This product is easy to apply using a low-pressure sprayer in one generous application with a light top-up application approximately 40 minutes later. Once the sealer has been applied please redistribute any areas where the sealer may have collected or pooled within 20-30 minutes. This can be completed using a brush or roller, this ensures no sealer has been left on the surface. Very porous bricks may absorb all the sealer immediately.
Do not allow any sealer to simply dry on the surface, it should all have been absorbed into the treated surface or be removed (where present) after 20-30 minutes.
Please adjust the amount of sealer being applied based on porosity. Old Victorian clay bricks will be more porous than a modern dense house brick. Sand-blasted brick and masonry will be very porous. Very dense surfaces may not require a 2nd application, please carry out a test before any application to check the level of porosity of the material to be sealed.
This product can also be applied indoors, typically to surfaces in wet areas which cannot be sealed with our Interior Brick Sealer & Dustproofer.
Available in 5 litre & 20 litre containers with free economy shipping and express delivery shipping options. Samples are available.
Please read the full instructions & related information contained within the Technical Data Sheet. If you require help choosing a sealer or cleaning product please feel free to contact us on (01484) 861461. You can email us at info@floorseal.co.uk.
Coverage
Approximately 5m2 per litre when applied in a single application.
A coverage rate of up to 10m2 per litre can be achieved on dense brickwork or masonry.
Test to obtain the correct coverage rate as it will vary depending on porosity.
Delivery Charges & Timescale
Location |
Charge |
UK Mainland | Standard Delivery (4-5 days) Free Express Delivery (1-2 days) £3.95 inc VAT |
Scottish Highlands & Islands | £9.60 inc VAT |
Isle of Man | £24.00 inc VAT |
Isle of Wight | £2.40 inc VAT |
Northern Ireland | £9.60 inc VAT |
Delivery Charges & Timescale
- Shipping is based on a free standard delivery service to UK mainland addresses of 4-5 days.
- An alternative paid express delivery service of 1-2 days to UK mainland addresses is available.
- Our couriers do not deliver on a Saturday or Sunday (or bank holidays) other than by special additional arrangement.
- For the Highlands and Islands (including Northern Ireland) our standard shipping time may be slower than 4-5 days and is not free.
- An express shipping option to the Highlands & Islands & Northern Ireland is not available.
- Standard delivery is always free except to the Scottish Highlands & Islands, Northern Ireland & other UK offshore Islands.
- We do not dispatch orders on a Saturday or Sunday or bank holidays.
- We do not offer guaranteed shipping timescales.
- We do not deliver to the channel Islands, or Scilly Isles.
Technical Data Sheet
Blog articles & how to guides
For the latest blog articles and information for best user practice, click here.
Frequently Asked Questions
Is Breathable Brick Sealer & Waterproofer a fully breathable sealer?
Is this exterior brick sealer visible on the surface?
Can I use Breathable Brick Sealer & Waterproofer on any kind of masonry or brick?
Can I apply this brick sealer to solid rubble filled walls associated with a listed or historic building?
What is the lifespan of this product?
Why do coverage rates vary?
Can I apply this product with a low pressure sprayer?
What kind of sealer is this product?
Why are impregnating sealers more effective at sealing exterior surfaces than surface sealers?
Can I apply Breathable Brick Sealer & Waterproofer to sandblasted bricks?
Can I use this product indoors to dustproof my brick walls?
Additional information
Select Size | 100ml Sample, 5 Litre, 10 Litre, 20 Litre |
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Easy to apply
Our products are easy to apply using non specialist tools
Lasting Results
Full strength professional cleaning and sealing products
After Sales Support
Help and support with application methods and top tips!