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Non-Toxic (0-VOC) Exterior Paints

February 4, 2021 Corinne Segura

The following eco-friendly paints are made for the exterior of the home. They are more durable than interior paints.

Exterior paints are always more potent in odor than interior paints – these are the top no-VOC and low-VOC options.

Exterior paints are used on wood, cement and vinyl siding, and concrete porches and decks.

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A women in work coveralls painting the trim on the exterior of a home in a light blue paint

1. ECOS Paints

ECOS Paints makes one of the only 0-VOC exterior paints. I’ve tested out of very of their options. ECOS has a general exterior paint which was very low odor.

I also tested their Exterior Vinyl Siding Paint and Exterior Porch and Floor as well (for concrete, not for wood porches/decks).

All exterior paints are usually more potent in their odors compared to interior paints, and these ones definitely are when wet. But they offgas to 0-VOC rather quickly.

Their Low Luster Paint, another exterior paint of theirs, is lower odor than their Gloss Interior Paint. It’s common for a glossy paint to be higher in odor (with ECOS I estimate it’s double the level of odor).

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2. AFM Safecoat

AFM Safecoat exterior paint is a high-quality paint and multiple sources claim this is as durable over time as a conventional brand when used to paint siding. This paint is low-VOC at 17 g/l.

They also make an exterior paint for concrete patios.

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3. Green Planet Paints

Green Planet Paints lists the polymers in their AgriPaint as bio acrylic (based on waste soy ester oil and waste tree saps) and an acrylic polymer made from post-cosumer recycled acrylic. They claim it has 40% biobased content. 

Odor-wise and VOC-wise AgriPaint doesn’t seem any different than a regular zero-VOC paint. The reasons to go with this brands would be to limit petrochemicals or to add more recycled materials. If your main motivation is the environmental impact of paint this is certainly an option to consider. 

4. Sherwin Williams

In terms of conventional brands, Sherwin Williams Duration Exterior is not as low-VOC as the above brands but most people find it does offgas quickly. It’s 20 g/l VOC.

Their Emerald Exterior is 0 VOC.

5. Benjamin Moore

As of fall, 2023, none of the Ben Moore exterior paints are 0-VOC.

6. Romabio Masonry Paint

Romabio masonry paint is a breathable paint for exterior masonry like brick. It’s made with a silicate binder which chemically binds to masonry while keeping the surface permeable.

There is no specialty paint for repainting wood decks/porches. If it’s new wood, a wood sealer is best. If you really wanted the painted look you can use AFM paints with their EXT sealer on top.

Corinne Segura is a Building Biologist Practitioner with 8 years of experience helping others create healthy homes.

Category: Healthy BuildingTag: Healthy building, healthy exterior/gardens

Reader Interactions

Comments

  1. Janice Branagh

    August 30, 2023 at 3:58 pm

    Hi Corinne-
    We are getting our garage (wood and cinderblock) painted. Painting contractor that my husband liked a lot only uses Sherwin Williams Duration paint which you discuss here. The SDS though has it rated as a 3 for health and the VOC content is currently listed as 46 grams per liter. Since this post is 2 years old, can you take another look at the Duration exterior paint and see if you recommend? Another contractor that we had out for an estimate is willing to use AFM primer and exterior paint. I’ve used their interior paint successfully for years. Thank you.

    Reply
    • Corinne

      August 30, 2023 at 6:36 pm

      my opinion is the same and I don’t think either brand has changed in two years

      Reply
  2. Ekaterina

    August 14, 2023 at 8:26 pm

    Corinne,
    Is Benjamin Moore Exterior zero VOC paint not good? I have seen you mention Benjamin Moore’s paints in other posts, but not here?
    Thank you very much,
    Ekaterina

    Reply
    • Corinne

      August 15, 2023 at 1:16 am

      because ben Moore exterior paints are not 0 VOC, they are all around 50 g/l.

      Reply
  3. Susan

    March 21, 2023 at 8:19 pm

    Hi Corinne,
    We bought a 110 yr old Cape Cod house. I am assuming the stucco, due to the age of the house, is portland cement Stucco. Therefore we are looking for a permeable exterior paint so as not to end up with mold in the house from trapped vapor.

    Can you tell me what permeable scale I should be looking for? What paint would be best to use?
    .

    Reply
    • Corinne

      March 22, 2023 at 1:36 am

      I just added Romabio which is a permeable silicate paint for brick and masonry.

      Reply
  4. Jean

    September 21, 2022 at 7:18 am

    Hi Corinne,
    Do you know if pre-painted steel (SMP and PVDF) used on metal roofing and exterior wall cladding off-gasses?
    Thanks,
    Jean

    Reply
  5. Katherine Marine

    June 9, 2022 at 9:44 pm

    What paint would work for stucco finish?

    Reply
    • Janice Branagh

      August 30, 2023 at 3:48 pm

      We had the stucco on our house painted 2 years ago. Company used Sherwin William’s Loxon XP in white which I had no problems with and would recommend for someone who is chemically sensitive.

      Reply

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