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Water-based sealers have come a long way: many now match solvent products for everyday brick protection, with far less odor. The best water based brick sealer repels water (and sometimes oil), cleans up with soap and water and is comfortable to use indoors.
We compared water-based penetrating siloxanes for exterior brick, satin sealers for interior dust and stain-repellent sealers for kitchens.
Quick Answer: The Best Water Based Brick Sealer
- Best Exterior: Prosoco Sure Klean Weather Seal Siloxane PD Water Repellent (1 gal)
- Best Interior: MasonryDefender Brick Sealer Satin Sheen, Water-Based, Reduces Dust (1 gal, 2-Pack)
- Best Stain Repellent: Max Guard Water-Based Penetrating Stone Sealer (Repels Oil & Water, Low Odor)
- Best Penetrating Value: MasonryDefender Deep Penetrating Silane Siloxane Water Repellent (1 gal, 2-Pack)
- Best Widely Available Satin: Rust-Oleum Seal-Krete Original All-Purpose Waterproofer (1 gal)
- Best Sprayer: Chapin 25020 2-Gallon Clean ’N Seal Poly Deck Sprayer for Cleaners and Sealers
Prosoco Siloxane PD is the best water based brick sealer for exterior brick; MasonryDefender’s water-based satin sealer is best for dusty interior brick, and Max Guard is the best water-based oil and stain repellent.
Best Water Based Brick Sealer Comparison Table
The 6 Best Water-Based Brick Sealers
Our picks for the best water based brick sealer.
Prosoco Sure Klean Weather Seal Siloxane PD Water Repellent (1 gal)
1Prosoco’s Siloxane PD is a professional penetrating water repellent for brick and masonry walls.
👍 Pros & Cons
Pros
- Pro brand used on brick facades
- Breathable, does not trap moisture
- Natural, non-glossy look
Cons
- Not a stain or color
- Needs dry, clean brick
📄 Detailed Review
- Type: Penetrating siloxane
- Finish: Invisible / natural look
- Base: Water-based
- Best for: Exterior brick and masonry walls
Penetrating siloxanes soak into masonry and make it shed water while still letting vapor escape, which is why they are favored for exterior brick and chimneys.
Apply to dry, clean brick and follow the label’s saturation directions.
MasonryDefender Brick Sealer Satin Sheen, Water-Based, Reduces Dust (1 gal, 2-Pack)
2MasonryDefender’s satin brick sealer is made to lock down dusty brick and make it easier to clean.
👍 Pros & Cons
Pros
- Listed as reducing brick dust
- Easy-clean surface
- Water-based
Cons
- Satin sheen changes the look slightly
- Film-forming, less breathable
📄 Detailed Review
- Type: Water-based film sealer
- Finish: Satin
- Base: Water-based
- Best for: Interior brick, dusty brick, easy cleaning
Interior exposed brick often sheds dust; a film-forming sealer binds the surface.
Test a hidden area to check sheen and color.
Max Guard Water-Based Penetrating Stone Sealer (Repels Oil & Water, Low Odor)
3Max Guard is a water-based penetrating sealer listed to repel both oil and water with low odor.
👍 Pros & Cons
Pros
- Listed to repel oil as well as water
- Low odor, water-based
- Natural appearance
Cons
- Smaller brand
- Reapply over time
📄 Detailed Review
- Type: Water-based penetrating
- Finish: Natural appearance
- Base: Water-based, low odor
- Best for: Backsplashes, stone, brick
Oil repellency is the key feature for brick behind a stove or on a kitchen backsplash.
Wipe spills quickly even after sealing.
MasonryDefender Deep Penetrating Silane Siloxane Water Repellent (1 gal, 2-Pack)
4MasonryDefender’s silane siloxane is a deep penetrating water repellent sold in a two-gallon pack.
👍 Pros & Cons
Pros
- Deep penetrating formula
- Two gallons per order
- Breathable
Cons
- Two-pack is more than small jobs need
- Not for glossy look
📄 Detailed Review
- Type: Silane/siloxane penetrating
- Finish: Natural look
- Base: Water-based
- Best for: Concrete, brick, block
Good for larger walls, block and concrete where you want water beading without changing the look.
Spray with a low-pressure pump sprayer.
Rust-Oleum Seal-Krete Original All-Purpose Waterproofer (1 gal)
5Seal-Krete Original is an all-purpose water-based waterproofer for masonry.
👍 Pros & Cons
Pros
- Widely available brand
- Water-based
- Satin finish
Cons
- Satin film may slightly darken
- Less breathable than siloxane
📄 Detailed Review
- Type: Water-based waterproofer
- Finish: Satin clear
- Base: Water-based
- Best for: Concrete, brick, masonry
It forms a satin film, which adds stain resistance but changes the look more than a penetrating sealer.
Test first on a hidden spot.
Chapin 25020 2-Gallon Clean ’N Seal Poly Deck Sprayer for Cleaners and Sealers
6Chapin’s Clean ’N Seal is built for applying cleaners and transparent sealers.
👍 Pros & Cons
Pros
- Designed for transparent sealers and cleaners
- Fan tip for even coats
- Poly tank resists corrosion
Cons
- Seals may not suit strong solvents
- Pumping needed
📄 Detailed Review
- Capacity: 2 gallons
- Tank: Poly
- Best for: Water-based sealers and cleaners
A low-pressure sprayer with a fan tip lays down even, flood-style coats of penetrating sealer.
Rinse thoroughly after each use.
How We Chose the Best Water Based Brick Sealer
To choose the best water based brick sealer, we compared products described as water-based, matched them to exterior, interior and kitchen uses, and weighed odor, finish and cleanup.
Water-based products still release some VOCs while curing; see the EPA guide to VOCs indoors.
Product details in this guide come from manufacturer specifications and patterns in verified owner feedback; we do not claim hands-on testing we have not done. Read more on our How We Test page.
Buying Guide: Best Water Based Brick Sealer
Tips for choosing the best water based brick sealer.
Lower odor indoors
Water-based sealers are the comfortable choice for living spaces.
Easy cleanup
Tools and spills clean up with soap and water.
Temperature matters
Water-based sealers need warmer temperatures to cure; check the label minimum.
No freezing
Protect containers from freezing in storage.
Penetrating or film
Both types come in water-based versions; choose by the job.
Recoat windows
Follow recoat times; water-based products often allow faster recoating.
Using Water-Based Sealer
Good results every time.
- Apply above the minimum temperature.
- Keep containers from freezing.
- Apply thin, even coats.
- Clean tools with soap and water.
Questions about the best water based brick sealer:
Frequently Asked Questions
What is the best water based brick sealer?
The best water based brick sealer is Prosoco Siloxane PD outdoors and MasonryDefender’s satin sealer indoors.
Is water-based sealer as durable?
For most brick uses, yes.
Can water-based sealer freeze?
Yes in storage; keep it from freezing.
Does water-based sealer smell?
Mildly while curing.
Can I use water-based sealer outdoors?
Yes; many siloxanes are water-based.
Final Verdict
Our final pick for the best water based brick sealer is the Prosoco Siloxane PD. Choose the MasonryDefender Satin Brick Sealer if you want dusty interior brick, or the Max Guard Penetrating Sealer for stain repellency.
Related Guides
More brick sealer guides:
- Best Faux Brick on Amazon
- Best Brick Sealer for Interior Brick
- Best Brick Sealer for Chimney
- Best Masonry Sealer for Basement Block Walls
- Best Masonry Sealer for Stone
Product details are based on manufacturer specifications at the time of writing. Prices and availability change often, so check Amazon for the latest price.
