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Item #:
3794084
RadonSeal Concrete Sealer (Standard) Deep Penetrating Waterproofing for Basement Floors & Foundation Walls Reduces Moisture & Strengthens Concrete (5
Item #:
3794084
MVR 4551
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RadonSeal Standard - Deep Penetrating Concrete Sealer offers permanent protection against water, water vapor and Radon Gas
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What Stands Out
Deep Penetration
RadonSeal offers superior deep-penetrating technology to seal concrete effectively, preventing water ingress and radon gas infiltration for a healthier basement environment.
Radon Mitigation
Designed specifically for radon mitigation, this sealer reduces radon levels effectively, ensuring safety and compliance with health standards in residential basements.
Large Capacity
With a 5-gallon capacity, RadonSeal provides an economical solution for larger projects, delivering value through extensive coverage while protecting your home from moisture and radon threats.
Product Details
- Non-toxic, non-flammable, zero VOC's
- Easy to apply via spray or roll-on
- No reapplication needed, offers permanent results
- Penetrates concrete without leaving a coating
- Seals against water, water vapor, and radon gas
- Protects against cracking, dusting, and efflorescence
| Brand Name | RadonSeal |
| UPC | 856255006003 |
| Unit Count | 640 Fluid Ounces |
| Number of Items | 1 |
| Included Components | 1 |
| Manufacturer | Novion |
| Model | 101 |
| Part Number | 101 |
| Item Weight | 47.4 pounds (21.5 kg) |
| Item Dimensions | 13 x 13 x 16 inches (33 x 33 x 40.6 cm) |
| Water Resistance Level | Waterproof |
| Item Form | Liquid |
| Compatible Material | Poured Concrete, Limestone |
| Style Name | Standard |
| Color | Clear |
| Surface Recommendation | Poured Concrete Walls & Floors |
| Material Type | Silicate Blend |
| Material | Silicate Blend |
| Brand | RadonSeal |
| Style | Standard |
| Item dimensions L x W x H | 13 x 13 x 16 inches (33 x 33 x 40.6 cm) |
Who Should Buy?
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Homeowners with Basements
Ideal for homeowners seeking to waterproof basements and mitigate radon gas exposure effectively.
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Contractors and Builders
Useful for contractors looking for a reliable solution to seal concrete surfaces during construction projects.
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Radon Mitigation Users
Recommended for those actively seeking to reduce radon levels in their homes or buildings through effective sealing.
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Outdoor Use
Not suitable for sealing surfaces exposed to direct sunlight, rain, or varying outdoor conditions.
Product Description
RadonSeal Concrete Sealer (Standard) Deep Penetrating Waterproofing for Basement Floors & Foundation Walls Reduces Moisture & Strengthens Concrete (5 Gallon)
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Customer Questions & Answers
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Question:
What is RadonSeal Standard Concrete Sealer used for?
Answer: RadonSeal Standard Concrete Sealer is designed to penetrate deeply into concrete surfaces to provide effective waterproofing and radon mitigation. It is particularly useful for basements and foundations where moisture and radon gas can be problematic. By sealing the pores of the concrete, it helps prevent water infiltration and reduces radon levels in your home, creating a safer living environment. -
Question:
How do I apply RadonSeal Standard Deep-Penetrating Concrete Sealer?
Answer: To apply RadonSeal, first prepare the concrete surface by cleaning it thoroughly to remove any dirt, debris, or previous sealers. Then, you can use a sprayer, roller, or brush to evenly apply the sealer, ensuring it saturates the concrete adequately. Typically, two coats are recommended for optimal results. This method effectively creates a barrier against moisture and radon, making it ideal for homeowners looking to improve indoor air quality and waterproof their basements. -
Question:
Can RadonSeal be used on exterior surfaces?
Answer: Yes, RadonSeal can be applied to exterior concrete surfaces but is primarily formulated for indoor use, particularly in basements. When applied outdoors, ensure the climate is suitable for curing. The deep-penetrating properties help protect against moisture and mitigate radon, even on exterior foundations. This can be an excellent choice for buildings that are above ground but still require protection from concrete moisture intrusion. -
Question:
How long does RadonSeal take to dry after application?
Answer: RadonSeal typically dries to the touch within 1 to 2 hours under ideal conditions. However, full curing can take up to 24-48 hours before the surface can be safely inhabited or covered. It's important to ensure proper ventilation during the drying process. Knowing the drying time can help you plan any further construction or finishing work needed in your basement or on the concrete surface. -
Question:
Is RadonSeal environmentally friendly?
Answer: RadonSeal is formulated to be environmentally friendly, containing low VOCs, which minimizes air pollution and harmful emissions during application. This makes it a responsible choice for homeowners concerned about indoor air quality. Using an eco-friendly sealer not only protects your home but also contributes to a healthier environment, making it suitable for residential applications. -
Question:
What are the benefits of using RadonSeal for radon mitigation?
Answer: RadonSeal provides a substantial reduction in radon levels by sealing the porous structures in concrete. This limit on gas entry enhances indoor air quality, which is critical for health due to radon being a radioactive gas linked to lung cancer. Implementing RadonSeal as part of a radon mitigation strategy effectively fortifies your living spaces against contamination, especially in areas known for high radon levels. -
Question:
Can I use RadonSeal on old concrete?
Answer: Absolutely! RadonSeal works effectively on both new and old concrete surfaces. For older concrete, proper cleaning and surface preparation are crucial for achieving optimal penetration and sealing efficacy. Repairing any visible cracks beforehand can further enhance the performance, making it a great solution for updating and reinforcing the durability of aging structures. -
Question:
How does RadonSeal compare to other concrete sealers?
Answer: RadonSeal differs from many traditional concrete sealers by offering deep penetration and protective features that target radon mitigation alongside waterproofing. Unlike surface sealers that create a film, RadonSeal penetrates into the concrete to form a barrier at a molecular level, providing more long-lasting results. This dual-functionality makes it a superior choice for homeowners prioritizing both moisture control and health safety. -
Question:
Is there a specific temperature range for applying RadonSeal?
Answer: Yes, RadonSeal should ideally be applied when temperatures are between 40°F and 90°F (4°C to 32°C) for optimal adhesion and curing. Extreme temperatures can affect the application and performance of the sealer. Performing application in suitable conditions ensures the best performance and longevity of the seal, giving you peace of mind regarding your basement's waterproofing and radon mitigation. -
Question:
Where can I buy RadonSeal Standard Deep-Penetrating Concrete Sealer in Maldives?
Answer: You can find RadonSeal Standard Deep-Penetrating Concrete Sealer available for purchase on Ubuy. Ubuy is a reliable online platform that specializes in offering a variety of products, including home improvement items like concrete sealers. Their extensive selection and user-friendly interface make it convenient to access this essential product for your waterproofing and radon mitigation needs.
RadonSeal Sealers Editorial Review
RadonSeal is a penetrating, deep sealer used to densify and strengthen concrete driveways, floors, walls, rooftops, decks, and more. It does not fill hairline cracks, but seals and protects surfaces, indoors and outdoors. It can be used on various types of surfaces, making it versatile. RadonSeal comes in two variants, RadonSeal Standard and RadonSeal Plus, the latter being better for more porous, older concrete surfaces. It will not make surfaces slippery, and does not affect surface friction. It is not recommended to use airless sprayers for RadonSeal application. The sealer must be applied to bare and porous concrete, without any prior coats of paint. It is safe for use on concrete surfaces that will be coated with vinyl plank flooring. RadonSeal can prevent moisture from wicking up through concrete, although it is not a substitute for proper waterproofing practices. Thicker, high-quality concrete requires much less sealant than thinner, lower-quality concrete. In some more extreme cases, combining RadonSeal and Ion-Bond Armor can be helpful to produce the tightest possible seal against vapor transmission.
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Pros
- Versatile, can be used on various surfaces
- Does not affect surface friction or make surfaces slippery
- Protects surfaces, making them denser and stronger
- Can be used on outdoor surfaces
- Can prevent moisture and water vapor transmission
Cons
- Does not fill cracks
Platform Trust & Buyer Confidence
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Mohammad
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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
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MVR 4551
Order now and get it around Sunday, August 16
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Features & Benefits
- Permanent protection against water, water vapor and Radon Gas
- Non-toxic, non-flammable and zero VOC's
- Easy to apply with spray or roll-on
- Penetrates deeply and doesn't leave a coating
- One-time application, no need for reapplication
- Absorbs and reacts within the concrete
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