The Great Eight: High-Impact Material Choices for Green ...

Author: Geym

Sep. 09, 2024

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The Great Eight: High-Impact Material Choices for Green ...

Feature Article

If you are looking for more details, kindly visit NFJ.

We&#;re at a tipping point in insulation, flooring, textiles, and other product categories. Here&#;s what to spec and what to avoid.

Locally sourced cedar and stone cladding give the new R.W. Kern Center a distinctive presence on the rural campus of Hampshire College in Massachusetts. The project, designed by Bruner/Cott & Associates, is seeking Living Building Challenge certification.

Photo: Paula Melton We all want to eat right, but we also need to watch our budgets. Most of us want to buy healthful, responsibly produced food but can&#;t always find or afford the most sustainable option.

Enter the Dirty Dozen and the Clean Fifteen. These lists from Environmental Working Group (EWG) identify 12 types of produce with the greatest pesticide burdens and reveal which 15 fruits and veggies tend to be more sustainably farmed as a standard practice. They help shoppers understand when the better choice really matters&#;when it makes sense to shell out for organic.

Can we apply a similar filter to design and construction? That&#;s our goal in this article&#;to determine when the better choice matters most for building materials.

Don&#;t get us wrong. Every year, we celebrate innovative trendsetters with our Top 10 Green Building Product awards. And we set a high bar for sustainability most of the time with our BuildingGreen Approved product guidance and reviews. But for this article, we&#;ll focus on a select number of product categories where:

  • Choosing green versus conventional truly makes a major difference for human health, the environment, or both
  • Price premiums and other issues aren&#;t insurmountable
  • Green options go beyond one or two niche products, so you can defend your spec

We&#;ve focused on eight high-impact product categories, which (with a nod to EWG) we&#;ve dubbed The Great Eight:

Use each guide below to review your standard practice on projects, to help owners and other project team members prioritize product choices, and to bring your own selections and specifications up a notch or two.

Guide to Non-Toxic Flooring

There are many choices for non-toxic flooring suitable for the chemically sensitive or health-conscious homeowner.

The absolute best options are real hardwood, polished concrete, and tile. However, specific brands of natural linoleum, carpet, and engineered wood are excellent choices as well.

I will look at a few options that are still non-toxic, but not quite as toxin-free, like luxury vinyl plank, laminate, cork, and bamboo.

This post covers green non-toxic flooring divided into three categories, starting with the purest options:

1. The Greenest Options (Dark Green)
2. Medium Green
3. Light Green

This article contains affiliate links, upon purchase I earn a small commission at no extra cost to you.

1. Greenest Floors &#;Dark Green&#; (Zero-VOC, No Offgassing)

i. Natural Solid Hardwood 

Naturally finished floors by @wdflooring
@fourboardwoodworks flooring & installation
@thomashartshelby photography

Natural wood flooring is usually my number one choice. It&#;s one of the purest and safest options. A few caveats for those extremely sensitive:

Wood contains natural terpenes that are safe (and even beneficial) for healthy folks, but do bother some extremely sensitive people. Aromatic woods like pine have higher natural volatile compounds than maple, as an example.

Flooring can contain anti-sap stain chemicals, which could explain why a few people react to wood used in building and not wood in the forest. Not all of these treatments are harmful.

Wood also has a higher possibility of harboring mold than less porous materials. To prevent mold you should make sure your wood has been kiln-dried and kept dry at the store and onsite. In normal conditions, this is not an issue.

Wood Finishes

There are many green, zero-VOC options for finishing wood. I used a natural penetrating oil on my floors, a purest option. Tung Oil and linseed oil are two natural oil finish options.

If you want a synthetic finish, AFM Poly BP is a great non-toxic option.

I go into detail on natural floor finishes here, and the synthetics I tested and compared here.

Wood Floor Glues

For subfloor glues, my top pick is definitely AFM Almighty Adhesive which is safe and highly tolerable. My post on construction adhesives has more info.

There are no VOC/HAPs wood fillers by Mohawk Fil-O-Wood and ECOS for the nail holes. I find the standard Minwax wood putty to be too potent. The Dynamic putty pencil is very benign.

Unfinished Hardwood

You can buy solid unfinished hardwood flooring from specialty flooring stores, as well as Home Depot, Lowes, and LL Flooring. LL Flooring is usually going to have the lowest price.

These big-box stores have networks of installers.

Prefinished Hardwood

Usually finished with aluminum-oxide-infused polyurethane and cured under UV lights, these are typically very well tolerated by chemically sensitive folks once cured. It is zero-VOC.

This finish has a few benefits, not having to finish it in-house, it&#;s super durable and will last a long time, and the finish partially blocks the wood odor.

Almost all brands of prefinished hardwood are of the same composition. It would likely send you in circles if I mention brands &#; you want to start with what&#;s available in your area.

You will find that almost every brand has a UV-cured water-based polyurethane finish (with aluminum oxide).

Installation of Hardwood

Use solid wood baseboards &#; they come in both primed and unfinished (I wouldn&#;t recommend MDF or PVC).

My post on non-toxic underlayments includes silicone-backed paper (for the most sensitive) or Rosin paper.

Nail-down installation is less toxic than glue-down. You may need a small amount of glue on some pieces, or you may be able to face nail.

Best practice for wide planks is to glue and nail. Consider the width of the planks at the planning stage.

ii. Polished Concrete

If polished concrete flooring makes you think IKEA warehouse, think again, polished concrete can look beautiful and be green and healthy.

Most polished concrete systems use sodium silicate or potassium silicate which are very safe and benign. Polished concrete is vapor open which makes it one of the best flooring types, alongside tile, over a concrete slab. A topcoat of urethane is usually added.

You can do acid stains, add natural pigments, use white cement, or add white sand to Portland Cement to get many different unique and modern looks.

Other concrete sealers

Concrete can also be sealed with topical acrylic or polyurethane sealers, penetrating sealers, or epoxies.

Epoxy is a two-part sealer, where each part, in theory, comes to a complete chemical reaction with the other. In reality, it&#;s not that neat. It&#;s likely to offgas even if it claims zero VOC.

Eventually, it should come to a complete cure.

For a complete review of concrete stains, sealers, and paints, see my dedicated post on this topic.

iii. Tiles

Types of Non-Toxic Tiles:

Marble tile is good in theory. Most of it has a resin put on it at the factory to fill in tiny holes and fissures, and it might have a (chemical) sealant on it as well.

The resin seems to cure fully and be fine for most people. Honed stones can be sealed at home.

A pure slab, or tile, that does not have a glossy finish can be sealed with a natural sealer (I tested them here) or low toxin sealer (I tested those here). Keep in mind that white marble is the most difficult stone to seal in a non-toxic way.

Slate is also good, you can find it unsealed. Though like with marble, a resin is used to fill lines and pits.

Light colors can be sealed with SimpleCoat, and warm or darker-colored stones can be sealed with walnut oil. Some types of slate and granite are dense enough to not require a sealer.

Concrete tiles have beautiful designs. You may want to ask what additives are in the concrete and test them out for tolerability. If it&#;s unsealed you can use the sealers in the concrete post.

Other natural stones like limestone, travertine, and soapstone are great options for green healthy floors. Highly sensitive folks may want to check if a resin or sealer is already applied, and then check to see which natural sealers will work over the stone of your choosing. Honed stones (i.e. not glossy) are the easiest to seal with a natural pure option. Very dense stones like many granite types and some slate do not require a sealer at all (bonus).

Tile Sealers: Green companies now make walnut oil and hemp oil that can be used on natural stone and concrete. I have tested the natural oils on slate, light-colored marble, and dark-colored marble. Walnut oil is the preferred oil for most indoor stones, as hemp can turn the color, and tung is too thick.

Ceramic/Porcelain tiles have a high incidence of lead in the glaze. Ask for lead test results from the company and check out my list of better companies that make claims of no lead and my lead testing results. To test for the level of lead, you need to hire someone who has an XRF tool.

Lead in Tiles: All ceramic/porcelain tiles should be tested for lead. I tested tiles sold in the US from big well-known stores and smaller online retailers that tested positive for high levels of lead. It would be wise to test any glazed tile regardless of origin. More on how to test them and precautions you can take with the dust here.

Once you have ruled out lead, ceramic and porcelain tiles are inert and safe. Plus, you don&#;t have to seal them. My post on grout and thin-set looks closely at the other materials used in the installation.

Wood-look porcelain tiles are zero-VOC even though there is a printed image on them. The glaze seems to block this. I do not detect anything that is different from regular tiles.

Glass tiles are inert, but most types are too slippery to use on the floor. They can be used on a backsplash.

Air Cleaning Tiles

Some tiles claim to clean the air. This process uses photocatalytic oxidation (PCO) to clean the air by using a layer of non-toxic titanium dioxide in the tile glaze.

This reacts with UV light, and just like the PCO air purifiers I reviewed, creates a reaction that can break down some bacteria, molds, VOCs, and viruses.

I don&#;t know how impactful this tile coating will be to the overall air quality in a room, especially a bathroom, which may not get much UV light (if at all).

This technology is also used on wood floors.

2. Medium Green (Zero to Low-VOC)

i. Natural Linoleum

Marmoleum, the only residential natural linoleum currently available in North America, is made from linseed oil, pine resin, wood flour, limestone, and dry pigments. They are mixed and then calendared onto a backing. It&#;s got a UV-cured sealer on top.

The glue used to install it claims zero-VOC and does contain mildewcides (typically isothiazolinones). Acrylic-based flooring glues also typically contain a plasticizer (source).

I found that after one month the linseed odor all but disappeared from the Marmoleum product &#; though many people say the odor never disappears 100%. I am using this in my trailer. I was surprised and impressed since I don&#;t normally do well with linseed.

Three Types of Marmoleum

  1. The roll-down flooring that is the most typical kind (the sheet) has a jute backing and is glue down.
  2. The modular tiles are also glue-down, they have a polyester backing (not jute, and not fiberglass as some websites say) and are slightly more rigid.
  3. The &#;click&#; is the same sheet (roll-down material) mounted onto a substrate of High-Density Fiberboard (HDF) and cork. The HDF is formaldehyde-free. Though the binder is not disclosed. The click-together has the advantage of not needing glue. See my review here.

You can use the sheets in wet areas like kitchens and bathrooms if it&#;s properly installed, more details on that in the bathroom flooring post.

ii. Engineered Wood

Most brands of engineered wood floors now are zero-VOC or close to it, even if they are not marketed that way. They do have a little bit of glue in the substrate so the extremely sensitive would need to test it.

What to Look for

  1. A plywood or solid slat core
  2. A stain/varnish that is zero-VOC

The Substrate

Plywood cores have glue, often formaldehyde. But by the time this product gets to you, it technically is considered cured. It&#;s only the extremely sensitive who should make sure this is good enough for you by testing it.

Some brands have solid slats as the base, which has very little offgassing because there is less glue. There is more detail in my post on engineered wood flooring.

There are a few brands that use an HDF fibreboard base (which usually offgasses a lot more, though brands like Kahrs are formaldehyde-free) so check to see what the substrate is.

(The hybrid type described below has a PVC base.)

The Stain/Finish

Most finishes on engineered wood have no offgassing or close to it. I look for water-based UV-cured polyurethane (or polyacrylic). This usually has aluminum oxide in it and it is very close to zero VOC.

There are also zero-VOC or close to zero-VOC oil-based finishes which are often UV-cured. The UV curing speeds up the offgassing so that it is much faster than it would be if you applied it yourself. The chemically sensitive should test this and test the maintenance oils needed as it&#;s higher risk than the water-based finish.

Sometimes the stain has a bit of a VOC odor, but you will only know by getting samples yourself since all brands could qualify for the strictest certifications.

Kahrs shares their test results.

Brands

There are many brands that are good, these are just a few examples. The engineered wood flooring post has more options.

  • Cali Floors Meritage &#; Oak (plywood base)
  • Cali Floors Whiskey & Wine
  • Shaw Castlewood &#; Hickory (plywood base)
  • Shaw Albright &#; Oak (plywood base)
  • Tesoro Great Southern Woods (solid slat base)
  • Tesoro Coastal Lowlands &#; White Oak, Hickory, Maple, Walnut (plywood base)

Vinyl-Wood Hybrid

A category of engineered wood that is actually a vinyl/wood hybrid has real wood on the top layer and vinyl-limestone composite as the base layer.

In most situations, engineered wood with a plywood or solid slat substrate is preferable. But there are reasons to use the hybrid.

This eliminates that pine/spruce/fir odor in engineered wood and also doesn&#;t have a discernible PVC odor offgassing to most people. It&#;s also waterproof. In many ways, it&#;s the best of both worlds.

It&#;s one of my top picks for a trailer or RV. (More trailer flooring options here).

Brands

1. Cali Floors Geowood is one I really liked. It is very tolerable, and for those sensitive to wood, this limestone/PVC substrate (SPC) may be preferable to a plywood base. (Plywood will have that odor of pine/spruce/fir and is made with some formaldehyde.)

It is formaldehyde-free, confirmed by Green Design Center. It&#;s also phthalate-free.

2. Another similar wood/vinyl hybrid is Opti-Wood. You can find this at Home Depot (in Canada and the US). It&#;s well-priced, and I did not pick up offgassing in the top layer in the samples I bought. The wood layer eliminates the higher offgassing top layer of vinyl in LVP and it should prevent a lot of the leaching of plasticizers.

3. Raintree is a brand that has a high-quality wood top layer, with some higher-end looks. I have some samples, and like the other brands, the wood layer is very thin. From a distance, it&#;s hard to tell if these are real wood but underfoot, you can tell it definitely feels like real wood, not plastic.

Installation

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The Kahrs underlayment is good. My post on underlayment goes into more detail on when to use each type.

iii. Healthy Carpet

For safe, non-toxic carpet, both natural fibers and synthetics can be healthy.

If you are interested in carpet, I have a whole post dedicated to this topic that goes into detail on brands, chemical treatments, and how the installation affects toxicity.

(I have a separate post devoted to non-toxic area rugs).

Non-Toxic Natural Fiber Carpet

Earth Weave from Green Design Center

1. Earth Weave &#; wool, no mothproofing, no other treatments, does contain latex. I always prefer undyed wool for the very sensitive.

2. Nature&#;s Carpet &#; wool, contains natural latex adhesive. The &#;dark green&#; line does not have mothproofing and uses undyed wool. The medium green line does not contain natural latex, which for me is a big plus, but it does contain mothproofing.

3. Seagrass &#; I really like seagrass carpet because of how it feels underfoot. The DMI brand makes one I like that is not dyed or treated with insecticides or other chemicals. It does contain natural latex.

Non-Toxic Synthetic Carpet

1. Home Fresh &#; One of my top picks for synthetic carpet (PET polyester) with a felt backing. It was extremely low in odor and is 0-VOC. It is PFAS-free they said in an . This refer-a-friend program will get you $350 off.

This is Air.o by Mohawk (Home Fresh looks similar)

2. Air.o by Mohawk &#; My other top pick for synthetic, this carpet is very similar to Homefresh. The carpet fibers are made from 100% PET (polyester). They claim it has no odor and is zero-VOC. It is free of per- and polyfluoroalkyl substances (PFAS).

It has a similar felt padding which is far superior health-wise to typical polyurethane.

3. FLOR &#; makes carpet tiles which can be arranged as rugs or wall-to-wall carpeting.

Their regular nylon lines have a different type of offgassing odor than typical carpet, both less strong, and it did offgas faster.

Commercial Grade Carpets

Low-VOC commercial carpet is harder to find than residential. I have reviewed and sniffed a few of the ones that claim to have the lowest VOC levels.

There are wool and synthetic commercial options reviewed in my dedicated carpet post.

Can Carpet Ever Be a Healthy Flooring?

Because carpet does collect dust, mold spores, pesticides, flame retardants, and all types of contaminants and allergens that ride on dust, a HEPA vacuum like the Nilfisk is essential for cleaning.

iv. Terrazzo

Terrazzo is a little complex as there are different materials, resins, and sealers involved. But there are systems that are zero-VOC and low-VOC.

The concrete post looks at this a little more.

v. Polypropylene Flooring

Sono Eclipse

The vast majority of rigid core click-together plastic flooring is luxury vinyl plank (LVP) which is PVC-based. (More on LVP in the last section of this article).

Sono Eclipse is a PVC-free rigid core flooring made in Germany. It is made without phthalates or other plasticizers. That is huge, as plasticizers are the biggest chemical of concern in LVP floors.

They also claim it&#;s made without chlorine or other additives. The core is made of polypropylene (PP) and mineral powder. Like LVP, it is waterproof. I&#;ve seen a sample and it looks like feels almost exactly like LVP.

Another company Hallmark Floors, makes a rigid glue-down plank made of polypropylene. I could not pick up any offgassing, and like other PP floors, it does not have any added plasticizer or chlorine and it does not contain recycled content.

Lastly, Classen&#;s Ceramin is another PVC-option based on polypropylene and minerals.

vi. Zero-VOC Resilient Flooring

Most sheet flooring is vinyl sheet which I find far too high in offgassing. Marmoleum, mentioned above, is one alternative type of resilient flooring that is healthy.

Recently though, there are a few other healthy additions in this category.

Kahrs makes three really great options. Xpression and Zero Tile are made of safer plastics &#; TPE and polyolefin (which in this case almost certainly means polyethylene and/or polypropylene). No plasticizers and no PVC.

Quartz tile, their stiffer flooring has a base of the mineral quartz and PVC, with no phthalates. It&#;s virtually odorless, even lower odor than LVP. Nothing like the usual vinyl rolls.

Another new healthy resilient flooring is Shaw Contract&#;s commercial bio-based polyurethane. It&#;s made of 90% natural oils (but not linseed) and minerals. It barely has an odor or any offgassing. The backing contains polyethylene and fiberglass and gives off only a very slight odor.

A similar bio-based polyurethane product is Wineo&#;s Purline Organic Floor which I have been really impressed with. It&#;s very similar to Shaw Contract with almost no offgassing. (They make a click-together version as well as sheet flooring).

You would have to check out the glues as well for each of the floors you are considering.

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3. Light Green (Low-VOC)

i. Laminate Flooring

All laminate floors in North America are now low-VOC, but not all are the same.

My top pick is certainly the formaldehyde-free options, and next up would be GreenGuard Gold certified brands.

(Most brands can easily meet the other certification levels, so those do not help to distinguish between brands.)

Formaldehyde-Free Laminate Floors

Laminate is made of High-Density Fiberboard (HDF) and a printed image on top with a melamine coating. Most brands use a formaldehyde-based adhesive in the HDF core. A few brands are formaldehyde-free.

Mohawk (including RevWood and Pergo) is one company that doesn&#;t use formaldehyde, though they do not disclose the glue. They do disclose that it only offgasses 9 ng/m3 (0.009 μg/m3). (GreenGuard Gold allows a total VOC count of 220 μg/m3).

Kahrs, NexxaCore and possibly IKEA are other brands that make formaldehyde-free laminate.

If you don&#;t go with these brands, then the floor will likely be made with formaldehyde and you want to go with GreenGuard Gold Certification ideally. I list all the Greenguard Gold brands here.

My Top Brands

  • Mohawk &#; all Mohawk lines including RevWood and Pergo are formaldehyde-free.
  • Duravana from LL Floors (GreenGuard Gold)
  • Swiss Krono (GreenGuard Gold)
  • Kahrs &#; formaldehyde-free

Some lines are &#;waterproof&#; &#; they either have an extra component of wax on the tongue and groove parts or a plastic-like polystyrene added to the core. I did not find these to be higher in offgassing.

Installation

This type of flooring is usually &#;floating&#; &#; it doesn&#;t require adhesive during installation, which is a bonus.

My post on underlayment goes through the choices there.

ii. Cork

Cork, like wood, has naturally occurring odorants. But with cork flooring, a resin (glue) is used to press and bind all the small pieces of cork together into flat sheets.

I have seen polyurethane glues used (which I find to have strong offgassing that persists), polyethylene, and formaldehyde binders. Polyvinyl acetate can also be added.

An adhesive is also required either to glue it down (and there are zero-VOC glues for this) or, in the floating floors, it is usually glued to a fiberboard (HDF) substrate, which has its own offgassing (usually formaldehyde).

Cork is finished with urethanes, acrylic, or PET, which are generally not going to offgas once cured and are far less of a concern than the glues used to press the cork together.

Wicanders Wise Cork Inspire

I tested out the Wicanders Wise Cork Inspire (previously called Amorim Wise Cork Wise) flooring and I definitely think this is one of the healthiest brands out there.

I could pick up the offgassing slightly (it&#;s not zero-VOC in my opinion, but it&#;s close). Many sensitive folks have used this and liked it.

It&#;s cork through and through &#; and it&#;s the only click-together option that is made like this. Polyethylene is the main binder, but it also contains very small amount of formaldehyde and BPA. It looks like they have not re-submitted their Declare label for but you can see the old one here that likely still corresponds to the stock still available at Green Design Center. It is GreenGuard Gold.

Forna

Forna has some cork tiles from Cancork/icorkfloor that claim to be 0-VOC and be made without formaldehyde. Some selections say they are low-VOC so be sure to check.

These are glue-down tiles. The recommended glue is a 0-VOC water-based contact cement.

Other Brands

Most HDF is too high in formaldehyde offgassing for me. Though some brands like Amorim/Wickanders Cork GO claim to be made without formaldehyde or polyurethane glues even in the HDF core. And this brand is quite low odor.

Please see my article on non-toxic cork flooring for more detail.

Floors with some Cork

Some flooring that has a cork core and laminate on top can sometimes be referred to as cork flooring even though it has a laminate or plastic top.

Related Post: Non-Toxic Gym Flooring

iii. Bamboo Flooring

Bamboo requires resin or adhesives to hold the strands together, most have a substrate and then a finish. There are many that are GreenGuard certified for low emissions and some that have undetectable formaldehyde levels.

This wood is known to be problematic in that it can shrink, expand, and do poorly with water/moisture/spills.

It doesn&#;t do well in high humidity (warp) or very low humidity (crack).

Formaldehyde is a typical glue in bamboo flooring. If it doesn&#;t have formaldehyde it will have isocyanate-based glue (like MDI), or soy flour polyamide-epichlorohydrin (PAE) resin. The bamboo is also treated with borates.

The finish is usually a UV-cured urethane acrylate finish containing aluminum oxide.

My top brands are ones with undetectable levels of formaldehyde which you can find here.

iv. Magnetic Ceramic Tiles

I tested Kablan&#;s magnetic ceramic tiles. These are ceramic tiles with a magnetic backing.

The other side to the magnet is an underlayment that is glued down to the floor.

I found that the magnetic backing components are rubber and did have a moderately strong smell, though you may not be able to smell them once the floor is installed.

Since I tested them, they have made these tiles lighter in weight. You may have areas where you want tiles that you can pull up. It&#;s a cool idea, I quite liked them.

v. Luxury Vinyl Plank

There are three main types of vinyl flooring &#; vinyl that comes in a roll (that is way too high in offgassing for me), vinyl plank, and multilayer luxury vinyl plank.

Vinyl plank and luxury vinyl plank/tile are extremely low in VOCs and offgassing but they do have the problem of semi-VOCs &#; the plasticizers.

Most of it is phthalate-free now &#; though phthalates were replaced with alternate plasticizers. The most common plasticizer used now is bis(2-ethylhexyl) terephthalate (DOTP).

A dedicated post on vinyl floors goes through how to pick the cleanest type of vinyl flooring and which brands I think are the best.

Multilayer LVP (Click-Together)

This type has a core (stone polymer composite &#; SPC, or wood polymer composite &#; WPC), vinyl top, and often an underlayment. It is click-together. The SPC core is a mix of PVC/vinyl, limestone, and plasticizers. WPC cores can have real wood or plastic instead of limestone and have a foaming agent.

The vinyl floor post goes into more detail on what is in all the layers.

LVP (and LVT) brands are very similar, there are only five main differences outlined below:

Five Things to Look at When Choosing Safer LVP

  1. Double-check to make sure it&#;s virgin vinyl (not recycled vinyl)
  2. Look for phthalate-free
  3. I have a slight preference for SPC over WPC (usually slightly lower in offgassing)
  4. If you want 0-VOC go with the Proximity Mills 0-VOC lines
  5. Check the underlayment, you may choose to avoid cork (because it&#;s higher in offgassing)

Top Brands:

  • Cali Floors Longboard 9&#; LVP, & Builders Choice LVP
  • &#; Virgin vinyl &#; Phthalate-free &#; SPC core
  • Proximity Mills 0-VOC lines
  • &#; 0-VOC &#; Phthalate-free &#; SPC core

More brand options in the post on vinyl floors as well as a closer look into contaminants like metals.

This is the last option on this list due to the plasticizers which are long-lasting leaching chemicals as opposed to VOCs that will offgas shortly. The full health risks of these plasticizers are still unknown.

However, I would rank the following lower on the list (health-safety-wise) than vinyl plank: vinyl sheet, rubber floors, most flooring with an MDF core, many cork brands, and many conventional carpets.

Cost Comparison of Green Flooring (USD)

  • Wood $8 &#; 10 / sq ft including installation 
  • Polished concrete is $8 &#; 15 / sq ft for residential
  • Stain and sealed concrete &#; materials $1 / sq ft (unless you are pouring the concrete or have lots of prep)
  • Tiles are usually $8 &#; 10 / sq ft but it depends on the tiles (tiles come in a wide range of costs) and prep of subfloor/installation difficulty
  • Marble floor material costs are $10 &#; $20 / sq ft (specialty marbles can go up to $40 per square foot). Labor is an additional $3 to $7 / sq ft
  • Engineered Wood &#; Materials $3 &#; 12 / sq ft, labor $3 &#; 10 / sq ft
  • Marmoleum &#; Materials $4.50 &#; 5 / sq ft, labor $1 &#; 4 / sq ft 
  • Wool Carpet 5-10$ / sq ft (see article for full cost comparison of wool carpets)
  • LVP:
    • Cali Floors &#; under $3.30 &#; 5 / sq ft, labor about $3 &#; 4 / sq ft for click
      Home Depot brands $1 &#; 3 / sq ft
  • Laminate:
    • Home Decorators Collection $1.30 &#; 2 / sq ft, labor $3 &#; 4 / sq ft
      Trafic Master $0.50 &#; 2 / sq ft
      Pergo $2 &#; 3 / sq ft
  • Cork $8 &#; 10 / sq ft including installation

Corinne Segura is an InterNACHI-certified Healthy Homes Inspector with certifications in Building Biology, Healthier Materials and Sustainable Buildings, and more. She has 10 years of experience helping others create healthy homes.

If you would like to support the research behind this blog you can join the Substack or make a donation via Kofi!

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