does this darken the color of the stone? does the stone look different at all after it dries- including sheen?

I saw no change in color at all.

Does this product need to be diluted with any other thing?

No this product is ready to use and does not need to be diluted.

If you are sealing around outside windows, do you need to tape off the windows? Does this harm windows or metal painted trim around windows?

I used it on brick and stone and actually coated a metal mailbox with no issues. I would probably tape off the glass.

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MasonryDefender All Purpose Concrete, Brick & Stone Sealer, Clear Penetrating Water Repellent for Porous, Exterior, Brick, Concrete, Stone, Cultured Stone, Sandstone, Limestone & Granite Siloxane Sealer, 1 Gallon

MasonryDefender All Purpose Concrete, Brick & Stone Sealer, Clear Penetrating Water Repellent for Porous, Exterior, Brick, Concrete, Stone, Cultured Stone, Sandstone, Limestone & Granite Siloxane Sealer, 1 Gallon

Product ID: 345673744

Details

Brand
Item Weight
8.56 Pounds
Material
Silicone
Style
Protection
Water Resistance Level
Water

💧Waterproof barrier

📏Covers up to 150 sq.ft. per gallon

🛡️Deep penetrating protection

Description

🛡️ Seal the deal on durability—protect your surfaces like a pro!

LONG LASTING DURABILITY - Withstands heavy foot traffic and harsh weather, keeping your exterior surfaces pristine.
DIY FRIENDLY APPLICATION - Easy spray-on use with even coverage—professional results without the hassle.
VERSATILE SURFACE SAVIOR - Perfect for concrete, brick, stone, limestone, granite, and more—one product, endless applications.
ULTIMATE WEATHERPROOF ARMOR - Silane-siloxane technology penetrates deep to protect against moisture and damage year-round.
INVISIBLE SHIELD FOR YOUR SURFACES - Clear, non-film forming formula preserves natural look while repelling water.

MasonryDefender All Purpose Concrete, Brick & Stone Sealer is a clear, penetrating silane-siloxane water repellent designed for porous exterior surfaces. It creates a breathable, invisible barrier that protects concrete, brick, stone, and more from water damage without altering appearance. One gallon covers 90-150 sq.ft., offering long-lasting protection against weather and wear, ideal for both DIY and professional use.

Specifications

ASIN	B07P196CYS
Brand Name	MasonryDefender
Colour	Clear
Compatible Material	Concrete
Country of Publication	USA
Customer Reviews	4.3 4.3 out of 5 stars (627)
Item Form	Liquid
Item Weight	8.56 Pounds
Manufacturer	SaverSystems
Manufacturer Part Number	300602
Material Type	Silicone
Number of Items	1
Number of Packs	1
Style Name	Protection
Surface Recommendation	Wall
UPC	709057000727
Unit Count	3785.41 Milliliters
Water Resistance Level	Water Repellent

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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