RadonSeal Standard Concrete Sealer

RadonSeal Standard Concrete Sealer

Code: 100



Product Description


FREE SHIPPING on all 5-gallon pails of RadonSeal Concrete Sealer!

Concrete's Porous. Seal It!

RadonSeal Standard Deep-Penetrating Concrete Sealer is an eco-friendly, ready-to-use, reactive sealer formulated for maximum penetration and sealing of capillaries inside concrete and cementitious substrates. RadonSeal works by absorbing deep into porous concrete (up to 4 inches), chemically reacting, bonding, and inherently sealing the matrix of the concrete.

RadonSeal is used for waterproofing and strengthening concrete against wicking water, water vapor, capillary water seepage and soil gases. Permanently strengthens concrete, hardens concrete surfaces, and protects concrete against cracking, dusting, efflorescence, freeze-thaw, road salts, deicing chemicals and minor defects. 

 Since 1997, RadonSeal has been made to be the strongest sealer in the marketplace. Developed to seal even against a single-atom radon gas and the only sealer backed up by a Limited Lifetime Performance Guarantee! 


RadonSeal Standard is recommended for use on indoor concrete (less than 20 years old) and outdoor poured concrete (less than 2 years old). Alternatively, use RadonSeal Plus for concrete blocks or older poured concrete (more than 20 years old, or outdoor concrete older than 2 years).

Basements:  Poured concrete foundation walls and basement floors, limestone foundations, mortar joints. 

Indoor Concrete Slabs: Slab-on-grade construction, monolithic slabs, industrial floors, garage floors, barn floors, kennels, breweries, etc.

Outdoor Concrete: Concrete driveways, sidewalks, patios, concrete fish ponds, carports, and pool decks. 

Commercial: Parking areas, sidewalks, concrete rooftops, concrete curbing, concrete barriers, sea walls, retaining walls, breweries, warehouse floors, concrete electrical boxes, storage tanks, and concrete bridges.

Green Concrete: Use as a cure and seal compound for new concrete. Aids in retarding water evaporation to reduce shrinkage cracking and to produce a less porous and stronger concrete.

Concrete Primer: Acts as a primer before the use of topical clear coatings, epoxies, concrete paints, thin-set, surface levelers, adhesive and cementitious coatings. 


  • Strengthens:  Bonds and strengthens concrete, reducing spalling, pitting, and cracking.
  • Permanent:  No reapplication needed. Cannot be pushed out by negative side water pressure.
  • Paintable:  Does not change surface appearance or surface friction. Will not peel, wear away, or flake.
  • Eco-Friendly:  Helps with LEED Certification
  • Zero VOCs:  Water based, non-flammable, non-toxic, no strong odors or noxious fumes. 
  • Protects:  Minimizes efflorescence, concrete dusting, protects against alkali attack, and mold growth.
  • DIY:  Easy spray-on application for homeowners and contractors with use of hand-pump garden sprayer.


Coverage varies depending upon surface texture and porosity. 

  • 5 gal - Indoor Concrete: 1,000 sq. ft., Outdoor Concrete: 800 sq. ft. 
  • 2.5 gal:  Indoor Concrete: 500 sq. ft., Outdoor Concrete: 400 sq. ft. 


Please review detailed instruction (pdf).


FedEx & UPS Ground Delivery to lower 48 states. 

Orders received by 1pm EST normally ships same day (or next business day). Estimated Time in Transit: 1-3 business days to east coast and central states, or 4-5 business days to western states. 

Expedited Shipping: Please contact RadonSeal for expedited ship rates or shipping to HI, AK and PR. 

Returns: 30-day of receipt of purchase. Contact RadonSeal for return authorization and shipping address. Product must be shipped back to origin of shipment in original packaging, unopened and in salable condition via FedEx or UPS Ground Delivery.

Commercial: 55 Gal drums and 24 pail pallets available at bulk discounts.

Samples (8 oz): $16 (FREE shipping). Please contact RadonSeal to purchase. 

For more detailed information regarding RadonSeal Deep-Penetrating Concrete Sealer please visit https://www.radonseal.com/radonseal-mitigation.htm