Order as many floor samples as you like and we'll ship all samples to you for free! You may then return them, within six months, and receive a refund for all returned samples. Please note: We do not reimburse for return shipping costs.
This product may not perform properly if applied below the required temperature. Please check installation instructions on our website.
Because this is a water-based product, it may freeze during shipping. For that reason we will not ship over a weekend if temperatures dip below 32 degrees F. If you want us to ship anyway, it will be at your own risk. Please call to arrange with a GBS eco-advisor. 800.405.0222
Safecoat DynoSeal is a high-performance sealer above or below grade that stops moisture, moisture vapor and radon gas. It's highly resistant to flame spread and temperature change and, when cured, it also resists gasoline, oil, grease, fungi, acids and alkalines. It is dark bronze in color, almost black. Spread rate 100 SF/gallon (single coat) 60 mils wet, 30 mils dry
Unlike most petroleum-based sealers, DynoSeal is safe and contains no solvents or toxic chemicals. It is elastomeric which means it remains flexible for a long time and is ideal for repairing roofs, flashing, shingles, and metal seams. It is also ideal for underground applications such as: foundation walls, fence posts, and raised garden beds. It will not leach into the soil. The color is very dark bronze.
Dynoseal is a behind-the-scenes product that is meant to be covered up and not exposed directly to the sun or elements. If used on a roof, it should be top-coated with Safecoat Roof Guard (formerly Dynoflex All Weather) or other elastomeric coatings. If used on a basement floor, for optimum use, we would recommend installing a floor over top. Dynoseal is not meant to be walked directly upon.
Spread rate – covers 100 SF/gallon (1 coat), recommended 4 coats for below grade application, 2 coats for roof application
State Nexus Fee may apply A state nexus fee will be applied to this item if drop shipped to the following states: . We're sorry for the inconvenience. Click here to read more about the state nexus fee.
Coverage (1 Coat)
1-Gallon = 100 SF
Recommended # of Coats
15-60 mils thick depending upon surface which may require more than one coat
Surface should be clean, dry and free of oil and wax
Appearance When Dry
dark matte, slightly tacky
Cleans Up With
Store in cool dry place out of sunlight
Recycling or Disposal
Dispose of excess product in accordance with all local state and federal regulations, Do not throw out container unless completely empty. Pour contents onto dry cardboard and let thoroughly dry outdoors. May also be absorbed with cat litter sand or other dry materials
Finish Contains Aluminum Oxide?
Floor Item Type
Janka Hardness Rating
Number of Plys
Range of Resistance
Risk in Dry Climates
Shade (1 Light) - (7 Dark)
Strips / Plank
Surface Treatment Color
Touch Up Kit
Can be indoor?
Can be outdoor?
Max Gallons Per Minute
Max BTU's / Hour
- BTU's / Hour
Multi Control Capabilities
Temperature Range (with remote)
Color Rendering Index (CRI)
Questions & Answers
Green Building Supplies:
Area of room (sq ft):.
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