Page 55 - The Homeowner's Handbook 2017
P. 55

Exteriors / Roofing / Structure / Insulation / IAQ / Windows & Doors / Heating & Cooling / Lighting / Appliances / Plumbing / Finishes / Cabinets & Tops / Alternative Energy





                   and bath products often contain both VOCs and HAPs as well,
                   so you can’t blame paint for all your indoor air quality issues,     Standards for
                   but when selecting a finish or an adhesive or caulk, make sure
                   the manufacturer gives a full account of all potential pollutants,   Low-Emitting Materials
                   not just VOCs.

                   FACTORY FINISH
                   A Green Idea                                              Green Seal VOC
                   For certain painting and finishing projects, doing the job at home may   Content Standards:
                   not be the best option, if you want to limit the volume of pollutants
                   released inside. For cabinets, shelves and flooring, you often have the   Paints and Finishes
                   option of a “baked-on” factory finish. This may require an extra day   Low-Emitting Materials:
                   or two for delivery, but it’s well worth the time and cost for people
                   sensitive to paint fumes. At the factory, high heat speeds the paint or   Paints and Finishes Requirements
                   stain’s release of VOCs and other toxins. That accelerated pollution   The Standard sets emission limits (measured as predicted
                   happens in a controlled environment, not inside your home.   concentration in air) for particulate matter, formaldehyde and
                                                                             other chemicals; GREENGUARD Gold certification also sets
                   ADHESIVES                                                 emission limits for specific VOCs.
                   The Fine Print                                            Flat finishes                               50g/L
                   Like paints, adhesives are now marketed as low-VOC and eco-
                   friendly. But as with paint, it’s important to get all of the facts—  Non-flat finishes             150 g/L
                   not simply to accept the branding pitch. For example, Gorilla   For anti-corrosive and anti-rust paints
                   brand recently released Gorilla PVC, an adhesive for use in PVC   applied to interior ferrous metal substrates,
                   plumbing—a product it markets as “eco-friendly.” But if you read the   the limit is somewhat higher    250 g/L
                   fine print, the glue contains contains N-methylpyrrolidone (NMP),
                   “a chemical known to the State of California to cause birth defects   For clear wood finishes, floor finishes, stains, sealers and shellacs
                   or other reproductive harm.”                              applied to interior elements, the VOC content limit is as follows:
                                                                             Clear wood finishes              350 g/L for varnish
                   CAULKING                                                                                   550 g/L for lacquer
                   Seal the Deal                                             Floor finishes                            100 g/L
                   For the most part, latex-based caulkings tend to release less toxins
                   during application and initial drying than their solvent-based   Sealers        250 g/L for waterproofing sealers
                   counterparts.                                                                        275 g/L for sanding sealers
                     But the verdict is still out about how latex products impact air                   200 g/L for all other sealers
                   quality over the long term. It’s important, however, with both paints   Shellac              730 g/L for clear
                   and caulkings, never to use exterior products indoors. They tend to                      550 g/L for pigmented
                   contain more volatiles.
                     There’s also the question of durability. While 100 percent silicone   Stains                      250 g/L
                   caulk produces strong initial offgassing (some of which is from
                   vinegar in the mix) it’s also likely to perform better than an acrylic-  GREENGUARD Total VOCs
                   latex based product, particularly in wet areas.
                     As you can see, choosing a green paint or adhesive is not always as   Emission Thresholds:
                   easy as reading a label. You have to shop carefully, understand how
                   and when this product should be applied, and weigh whether the   Building Products
                                                                             and Interior Finishes
                   product’s air quality benefits are as good as they sound. GB
                                                                             The Standard sets emission limits (measured as predicted
                      Mohawk Bertolino Porcelain                             concentration in air) for particulate matter, formaldehyde and
                      Floor Tile & Ceramic Wall Tile                         other chemicals; the GREENGUARD Gold certification standard
                      Mohawk’s Reveal imaging technology helps               also sets limits for specific VOCs.
                      create authentic definition, detailing and             GREENGUARD                              500 µg/m 3
                      veining of natural marble in this porcelain tile
                      collection. Bertolino comes in several                 GREENGUARD Gold                         220 µg/m 3
                      large-format sizes, including 12” x 12”, 12”
                      x 24” and 18” x 18”.                                   SOURCES: WWW.LEEDUSER.COM AND INDUSTRIES.UL.COM
                      www.mohawkflooring.com/flooring/tile


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