How is RadonSeal different from coatings or sealers?

Unlike traditional coatings that sit on the surface and can peel or trap moisture, RadonSeal absrobs deep into the concrete and works below the surface. It does not form a film, allowing the concrete to remain breathable.

Can I apply paint, epoxy, or coatings over RadonSeal?

Yes. When applied to a bare, porous surface, it absorbs into the concrete rather than forming a surface layer, allowing proper adhesion of paints, epoxy, levelers, and coatings.

What is the coverage rate?

• Poured Concrete: 175–225 sq. ft. per gallon • Concrete Block: 100–125 sq. ft. per gallon As a general guideline, a 1,000 sq. ft. poured concrete surface requires approximately 5 gallons. A 2.5-gallon container will cover about 500 sq. ft.

Will RadonSeal stop water leaks through cracks?

RadonSeal is not designed to stop active leaks through cracks, joints, or seams. These areas should be repaired using appropriate products such as CrackWeld Floor Crack Repair Kit or RadonSeal DIY Foundation Crack Repair Kit.

Can RadonSeal be applied to painted or sealed surfaces?

No. RadonSeal must be absorbed through the surface to be effective. It should only be applied to clean, bare, and porous concrete.

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RadonSeal Plus Deep Penetrating Concrete Sealer for Basement Walls and Floors, Seals Concrete Against Water, Vapor and Radon Gas, (2.5 Gallons)

Product ID: 741759893

Details

Brand
RadonSeal
Item dimensions L x W x H
25.4 x 61 x
Item weight
10.89 kg
Material
Concrete Block
Style
Sealer

🌿Zero VOC, eco-friendly

💧4-inch deep penetration

🛡️Permanent hydrostatic barrier

$941.26

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Description

🛠️ Seal Smart, Live Dry: The Pro-Grade Concrete Shield You Can Trust

TRUSTED SINCE 1997 - Commercial-grade quality with a money-back guarantee—join thousands of satisfied pros and homeowners.
ECO SAFE ODORLESS - Water-based, zero VOC formula ensures safe indoor use with no harmful fumes or toxins.
DEEP CONCRETE DEFENSE - Penetrates up to 4 inches to block water, vapor, and radon gas—ultimate basement protection.
INVISIBLE BREATHABLE SEAL - Integrates with concrete without surface film—no peeling, no fading, just lasting protection.
LASTING STRUCTURAL STRENGTH - Hardens concrete against dusting, cracking, and freeze-thaw damage for years of durability.

RadonSeal Plus is a professional-grade, deep-penetrating concrete sealer that protects basement floors and walls by blocking water, vapor, and radon gas up to 4 inches deep. Its water-based, zero VOC formula is safe for indoor use and strengthens concrete against environmental damage without forming a surface film. Trusted since 1997, it offers a permanent, breathable seal that preserves concrete integrity and improves indoor air quality.

Specifications

ASIN	B00ITZ9VNU
Best Sellers Rank	#194,701 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #886 in Hardware Sealers
Brand Name	RadonSeal
Color	White
Compatible Material	Concrete
Customer Reviews	4.3 4.3 out of 5 stars (124)
Included Components	1
Item Dimensions	25.4 x 61 x 25.4 centimeters
Item Form	Liquid
Item Weight	10.89 kg
Manufacturer	Novion
Material Type	Concrete, Concrete Block
Model	111
Number of Items	1
Number of Packs	1
Part Number	111
Style Name	Deep-Penetrating Sealer
Surface Recommendation	Floors,Walls
UPC	856255006034
Unit Count	320.0 Milliliters
Water Resistance Level	Waterproof

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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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$941.26

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In stock

Sold byAmazon British Virgin IslandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to British Virgin Islands.

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