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 Water-Based Silane-Siloxane Sealer for Concrete, Brick, Pavers, Stone - Matte Concrete Sealer - 1 Gallon

Armor SX5000 WB Water-Based Silane-Siloxane Sealer for Concrete, Brick, Pavers, Stone - Matte Concrete Sealer - 1 Gallon

Product ID: 55280946

Details

Brand
Foundation
Item Weight
9 pounds
Item dimensions L x W x H
8 x 8 x 12
Material
Resin Silicone
Style
Concrete

🌿0 VOC, odorless water-based formula

💧95% water absorption reduction

🛡️7-10 years lasting protection

S$201

Duties & taxes included

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Description

🛡️ Seal smart, stay flawless — protect your surfaces like a pro!

LONG TERM DEFENSE - Enjoy up to a decade of water-repellent protection against cracking, staining, and weather damage.
ECO FRIENDLY SAFE - Water-based, zero VOC, and odorless—perfect for professional and residential use alike.
EFFORTLESS APPLICATION - Ready-to-use formula covers up to 225 sq ft per gallon with simple pump sprayer application.
MAINTENANCE MADE SIMPLE - No surface film to maintain; just reapply 1-2 coats when needed for continuous protection.
INVISIBLE SHIELD VISIBLE STRENGTH - Protect your concrete and stone without altering their natural look or color.

Armor SX5000 WB is a professional-grade, water-based silane-siloxane sealer that reduces water absorption by up to 95%, providing 7-10 years of invisible, matte finish protection for concrete, brick, pavers, and natural stone. Its eco-friendly, zero VOC formula ensures easy application and maintenance without altering the surface appearance.

Specifications

ASIN	B078XH3DS4
Best Sellers Rank	#23,914 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #100 in Hardware Sealers
Brand	Foundation Armor
Brand Name	Foundation Armor
Color	Clear
Compatible Material	Acrylic, Concrete
Customer Reviews	4.5 out of 5 stars 413 Reviews
Included Components	Water
Item Dimensions	8 x 8 x 12 inches
Item Form	Liquid
Item Weight	9 pounds
Item dimensions L x W x H	8 x 8 x 12 inches
Manufacturer	Foundatio Armor
Material	Resin , Silicone
Material Type	Resin, Silicone
Model	OE-Y5L3-OSV2F
Number of Items	1
Number of Packs	1
Part Number	SX5000WB1GAL
Style	Concrete Sealer
Style Name	Concrete Sealer
Supported Standards	DOT Approved
Surface Recommendation	Concrete
UPC	856994005138
Unit Count	128 Fluid Ounces
Water Resistance Level	Water Repellent

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