Can you use the water based product on a chimney that had been previously treated with a solvent based siloxane treatment?

Great question, as long as the previously sealed surface is capable of absorbing water it will soak in the SX5000WB(might not take as much sealer for a touch-up job).

Can I apply a second coat a week after the first coat?

I applied my second coat about 2 weeks after the first coat. The outcome was the same as expected as if the second coat was applied as directed. I did notice that in between the first and second coats, I observed areas not 100% sealed on my surface. However, this was completely rectified following the application of the second coat. After several downpours, my deck has remained completely sealed.

How effective for sealing existing exterior concrete walls showing signs of water damage.

Very effective. Used it on my brick chimney. Rain and snow seemed to slide right off with no absorbtion. Goes on clear so you can not see it.

It rained unexpectedly hours after applied and concrete lools discolored. Will it dry normal or stay discolored? How can we fix?

Give the surface several days to a week and re-evaluate to see if appearance improves. It's possible that the rain caused some of the active ingredients to migrate/build in certain areas. If the surface doesn't improve, please call Foundation Armor tech support M-F EST 9am to 5pm for assistance. There are sodium hydroxide cleaners capable of removing surface deposits(dark spots) if needed.

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Armor SX5000 WB DOT Approved Long Lasting Water-Based Silane-Siloxane Sealer for Concrete, Brick, Pavers, Stone - Penetrating, Works Entirely Below The Surface - 1 Gallon

Armor SX5000 WB DOT Approved Long Lasting Water-Based Silane-Siloxane Sealer for Concrete, Brick, Pavers, Stone - Penetrating, Works Entirely Below The Surface - 1 Gallon

Product ID: 620284023

Details

Material
Resin Silicone
Brand
Foundation
Style
Cover Up
Item Weight
4.08 kg
Item dimensions L x W x H
20.3 x 20.3 x

⏳7-10 years below-surface durability

💧Water-based silane-siloxane formula

🛡️DOT-approved long-lasting protection

Description

🛡️ Seal smart, stay flawless — protection that works beneath the surface!

ENDURING DEFENSE - DOT-approved formula ensures up to a decade of protection against snow, ice, and salt damage
ECO FRIENDLY SAFE - Water-based, low odor, and non-yellowing for professional and residential peace of mind
EFFORTLESS MAINTENANCE - Reduces staining and environmental wear, keeping your surfaces pristine and professional-looking
INVISIBLE HYDROPHOBIC SHIELD - Penetrates deep to repel water without altering surface appearance
VERSATILE SURFACE COMPATIBILITY - Perfect for concrete, brick, pavers, stone, basement walls, and garage floors

Armor SX5000 WB is a premium water-based silane-siloxane sealer designed for concrete, brick, stone, and pavers. It penetrates below the surface to create a durable hydrophobic barrier that resists water, snow, ice, and salt damage without changing the look or color of your surfaces. DOT-approved and long-lasting, it offers up to 7-10 years of protection, making it ideal for both commercial and residential applications.

Specifications

ASIN	B078XH3DS4
Brand	Foundation Armor
Brand Name	Foundation Armor
Colour	Clear
Compatible Material	Concrete, Stone, Masonry, Brick, Pavers, Stucco
Customer Reviews	4.6 out of 5 stars 367 Reviews
Item Dimensions	20.3 x 20.3 x 30.5 Centimeters
Item Form	Liquid
Item Weight	4.08 kg
Item dimensions L x W x H	20.3 x 20.3 x 30.5 Centimeters
Manufacturer	Foundatio Armor
Manufacturer Part Number	SX5000WB1GAL
Material	Resin Silicone
Material Type	Resin Silicone
Model	OE-Y5L3-OSV2F
Style	Cover Up
Style Name	Cover Up
Surface Recommendation	Floor, Wall
UPC	856994005138
Unit Count	3785.41 Milliliters
Water Resistance Level	Water Resistant

Reviews

G**E

20.02.2026

D**H

14.11.2024

R**A

2.08.2025

M**S

24.10.2025

J**.

20.06.2023

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