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
Ecos Univeral Primer is a water-based, solvent-free stain-block interior/exterior primer that's highly effective at blocking out difficult stains such as rusted metal, rust stains, tannin staining from hardwoods, water stains on walls and ceilings and many other challenging stains. It's safe for everyone because it's made without solvents or hazardous chemicals and it contains no biocides or fungicides. For new drywall we recommend Ecos Wall Primer.
Ecos Univeral Primer is also considered a transitional primer that will help make the transition from oil paint to water-based paint. It applies with brush, roller or spray, leaving a beautiful smooth, even finish. Apply one or two coats depending upon the severity of the problem and always allow at least 6 hours between coats. One gallon covers 430-520 SF per coat.
ECOS has industry-leading test performance and accreditations:
The first North American paint manufacturer to complete the Health Product Declaration (HPD) — an open-standard format for accurate, reliable and transparent reporting of product contents for LEED v4 that requires third-party certification;
The only paint manufacturer with Declare Labels showing LBC Red List Free (a transparent ingredients labeling tool developed by the Living Building Challenge for manufacturers to fully disclose all intentionally added ingredients; Red List is a collection of worst-in-class building materials);
The only professional-grade paint and primer certified to ASTM D-4236 (non-toxic);
The only paint company with membership in the Juvenile Products Manufacturer’s Association (JPMA);
The only paint company approved by the national non-profit Healthy Child Healthy World.
See righthand margin for downloadable PDFs including MSDS (Material Safety Data Sheet), HPD, CDPH (Calif Dept. Pub. Health), ASTM D6886 (VOC test results) and application instructions.
Sample sizes (2 oz) are available for $9.95 including shipping. Swatch Decks are also available.
This is your go-to primer for virtually every indoor or outdoor application. It works even on the tough applications like bare iron and steel. It will not, however, block oily or tarry stains such as those from coal fires or asphalt. If you need to prime your drywall but didn't buy the Ecos Wall Primer, not to worry. This will work fine there too.
Features & benefits
High performance — superior hiding and sealing of new sheetrock or plaster
Non-toxic — zero VOC emissions in paint and pigments; no biocides, fungicides or solvents, ultra-low odor
Certified and accredited — Living Building Challenge Declaration status: Red List Free, Health Product Declaration (HPD) verified, CDPH 01350 compliant, DECLARE ID: IPA-1002, LEED V4, ASTM D-4236 specifically concerning oral toxicity, skin irritation and respiratory effects, ASTM D6886, Healthy Child, Healthy World approved
Excellent coverage — one gallon covers 260-430 square feet depending upon porosity of substrate
Easy-to-use — brush, roll or spray; soap and water cleanup
Eco-friendly shipping — the containers and shipping boxes are both 100% post-consumer recycled and 100% recyclable
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.
Where to use:
This water based, solvent-free stain-block primer is highly effective and has a number of
uses for concealing and blocking out difficult stains such as rusted metal, rust staining,
tannin staining from hardwoods such as oak and mahogany, water staining on (for
example) plaster walls & ceilings, and many other "difficult to get rid of" stains.
However, this product will not block oily or tarry stains, such as those from coal fires
(chimney breast) or asphalt.
This is the preferred Primer for bare Iron and Steel.
NOTE: Not ideal for exterior bare cast iron - ask for advice.
The substrate should be sound, dry, non-dusty, and non-oily.
Remove any loose or flaking material.
Structural issues such as efflorescence, water ingress or rising damp, etc, must be
resolved beforehand and re-plastered if needs be.
Metals - rust must be removed.
WARNING: Older buildings may contain lead-based paint, which requires professional
remediation if it is disturbed. If in doubt, consult with a professional from a Lead-Safe
Do not thin. Stir gently and thoroughly before use.
Apply one or two coats (depending on the severity of the problem) by brush or roller, and
allow at least 6 hours between coats. Normally touch dry in 1-2 hours.
The final coat should be pure white before recoating.
Avoid applying below 41°F (5°C).
Clean equipment and brushes with water.
Finish with any of our standard wall or trim paints - if in doubt, ask for advice.
Varies with porosity but typically 110-130 Sq Ft/Quart or 430-520 Sq Ft/Gallon (one coat)
Health & Safety:
Avoid contact with the skin and eyes. Wash off splashes with water. Keep out of the reach
Surface or Product Preperation
Recommended # of Coats
1-2 depending upon the severity of the stain
Allow 6 hours in between coats. Dry to touch in 1-2 hours.
Appearance When Dry
Cleans Up With
Recycling or Disposal
Biodegradable, Dispose of excess product in accordance with all local state and federal regulations
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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