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About Green Flooring  

Flooring and wall materials cover the largest square surface area in your home. Combine the impact that building materials have on human health with the quantity of flooring inside your home, and it’s clear that flooring greatly influences the quality of the home’s indoor environment.
To help you decide on the best options, here are 8 helpful tips from Independent consultant Marian Keeler. 

1. When possible, choose materials with recycled content, preferably post-consumer or post-use recycled content.
Increasing the demand for recycled materials decreases the burden on our landfills and creates a market for efficient use of natural resources. I always refer to the State Agency Buy Recycled Campaign to get the latest recommended levels of recycled content for building materials.

2. Ask what happens to a product after its useful life. Will the product be landfilled, burned as biomass, downcycled or recycled?
Our landfills are brimming with materials that could be used in other manufacturing processes. Ask if there is a manufacturer-funded program to take back used materials and recycle them into other products or the same materials. Also, long warranties are a good indicator of durability, and durability is always good.

3. Ask about the manufacturer’s environmental policy.
Asking manufacturers to define and publicize their policy forces them to respond to green concerns and ultimately creates change.

4. For kitchens, bathrooms and entries, decide whether you need a hard surface, such as stone or tile, or a resilient surface, such as rubber, linoleum or cork.
Resilient materials provide foot support, but they also may affect indoor air quality, so you should assess those potential effects. Recycled-content rubber often has an odor, as does the linseed oil in linoleum. Cork products need to be well sealed because of the porous and soft nature of the material. Look for a product that is factory sealed with water-based, low-VOC sealers. Both hard and resilient surfaces have resource efficiency benefits if you can get a locally manufactured material with recycled content.

5. Get proof that your wood flooring was sustainably harvested, reclaimed or salvaged.
If you are considering “sustainably harvested” wood flooring, ask to see Chain-of-Custody Certification or other documentation that provides proof of the wood’s source and a paper trail of its travels. The Forest Stewardship Council‘s standard is the most trustworthy of “good wood” standards, because it is an independent 3rd party, not a forest or paper industry “self certifier.” FSC certification provides documented proof that the wood was harvested with certified sustainable methods. If you are using reclaimed or salvaged wood, ask to see as much documentation as possible for the source of the wood. Scientific Certification Systems has published clear definitions of “reclaimed,” “salvaged” and other material content terms in this one page document.

6. Avoid wood that has been painted, glued or otherwise coated.
Reclaimed wood that has been previously coated may contain lead or arsenic-based wood preservatives. Until Dec. 31, 2003, arsenic (chromated copper arsenate) was widely used as a preservative in pressure-treated lumber. Lead was widely used as a pigment and drying agent in alkyd oil-based paint before the federal government banned lead-based paint from housing in 1978. Ask questions and buy from trustworthy suppliers.

7. Find out if the installation method will use materials that can affect the environmental health of your home.
If the flooring material will be adhered to a substrate or sealed with a topcoat, ask if the adhesive or sealer contains and emits VOCs and whether it’s been certified to meet a recommended emissions standard such as Green Guard, Green Seal or California’s Section 01350 testing protocol. I prefer the 01350 testing protocol because it references specific VOC limits for more than 70 chemicals. See the California Integrated Waste Management Board’s overview of Section 01350.

8. Decide how much time you’re willing to devote and what kinds of cleaning products you’re willing to use to maintain your new flooring.
You probably will prefer a low-maintenance floor, so ask how often must it be polished, sealed, waxed, sanded or buffed. And find out what your cleaning options are: some products may add potentially harmful chemicals to your indoor environment.  Regularly maintained carpets can be comfortable and insulating, but if they are not cleaned regularly, they become dirt traps, providing a nest for indoor pollutants and particulates. See this EPA article on green cleaning for more details.