GREAT STUFF PRO Gaps & Cracks 24 oz Insulating Foam Sealant

Waterproofing is not always easy but, with a little know-how and the right advice long-lasting solutions can be accomplished relatively inexpensively. Since 1997, RadonSealÂ® has been dedicated to offering contractors and homeowners unbiased expertise, unparalleled service and our commercial-warrantied sealers and concrete repair products. RadonSeal Plus is formulated to permanently seal more porous concrete; poured concrete (+20 years), concrete blocks, and most cinder blocks. Penetrates into concrete (up to 4"), chemically reacts, sealing the micro- capillaries and fractures that make concrete porous. RadonSeal restrict moisture, water vapor, and radon gas directly through concrete, helping to alleviate efflorescence, dampness, and humidity making it ideal for use in basements. Alternatively, use RadonSeal to strengthen deteriorating concrete, compromised pours, greatly reduces pitting, spalling due to freeze-thaw, road salts, and deicing chemicals. ZERO VOCs. Eco-friendly. Safe Use Indoors. USES: Basement floors, foundation walls, driveways, sidewalks, patios, garage floors, building facades, concrete barriers, carports,, and similar (Note - Polished, overly smooth, machine-troweled surfaces require acid etching or scarification). COVERAGE (apx): Poured Concrete -500 sq. ft., Concrete Block - 250 sq. ft., Cinder Block - 200 sq. ft. Concrete is complex and varies in composition and finishing techniques. Always test spot to ensure proper absorption. Sample bottles are available upon request. LIMITATIONS: Do not use on paint, grout, overlays, colored concrete, split face blocks, stamped concrete, reinforced concrete, bluestone, pavers. For successful radon mitigation of a basement, make sure to seal all the concrete, repair all cracks, and openings. Allow RadonSeal to cure for 6-8 weeks before retesting. If you have questions about the products use please contact RadonSealÂ® visit the RadonSeal website for more detailed information.

Effective Concrete Protection: RadonSeal concrete sealer penetrates up to 4 inches, blocking water, vapor, efflorescence, and radon gas from concrete surfaces like basement floors and walls.
Strengthens and Preserves: Harden concrete against dusting, crazing, and damage caused by salts, de-icing chemicals, and freeze-thaw cycles.
Environmentally Friendly: Water-based formula with ZERO VOCs, no fumes, solvents, or toxins—safe for indoor use without odors or health concerns.
Permanent Seal: Integrates with concrete for long-term protection against hydrostatic water pressure, without forming a surface film or compromising paintability.
Trusted and Guaranteed: RadonSeal offers commercial-grade quality since 1997, ensuring reliability in sealing and preserving concrete structures
Effective Concrete Protection: RadonSeal concrete sealer penetrates up to 4 inches, blocking water, vapor, efflorescence, and radon gas from concrete surfaces like basement floors and walls.
Strengthens and Preserves: Harden concrete against dusting, crazing, and damage caused by salts, de-icing chemicals, and freeze-thaw cycles.
Environmentally Friendly: Water-based formula with ZERO VOCs, no fumes, solvents, or toxins—safe for indoor use without odors or health concerns.
Permanent Seal: Integrates with concrete for long-term protection against hydrostatic water pressure, without forming a surface film or compromising paintability.
Trusted and Guaranteed: RadonSeal offers commercial-grade quality since 1997, ensuring reliability in sealing and preserving concrete structures

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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);