Page 56 - November 2015 Green Builder Magazine
P. 56

The Homeowner’s Handbook SIXTH EDITION

                                                                         Finishes11
54 What’s on the surface counts.

www.greenbuildermag.com 11.2015   Make sourcing paints and                                                                                  Glossary of Terms

                                  adhesives with no VOCs top                                                                Know the Lingo

                                  priority, but don’t forget about                                                ■■ Volatile Organic Compounds (VOCs): Toxic ingredients
                                                                                                                     common in paints, adhesives and many household items
                                  proper application and                                                             that are released into the air.

                                  maintenance of these products.                                                  ■■ Hazardous Air Pollutants (HAPs): These substances were
                                                                                                                     listed in the 1990 Clean Air Act Amendments. Here’s the
                                 PAINTS AND ADHESIVES in the United States have                                      EPA list: http://www.epa.gov/ttnatw01/187polls.html
                                                  come a long away. They no longer contain lead or other
                                                  heavy metals. Most contain only a fraction of the volatile      ■■ Alkyd: Commonly referred to as “oil based,” this type of
                                                  organic compounds (VOCs) they did 10 years ago. Oil-               coating is typically higher in VOCs than waterborne paint,
                                                  based (alkyd) paints have largely been replaced by                 containing a petroleum-based solvent and a binder of
                                                  water-based latex products. But the conversion hasn’t              synthetic resin.
                                    always been smooth, and it’s far too early to declare “mission
                                    accomplished.”                                                                ■■ Acrylic Latex: This widely used finish uses water as a
                                      Some of the first brands of ultra low-VOC products got a bad                   solvent, and tends to be lower in VOC content than alkyd
                                    rap a few years ago. These new paints were not as stable, harder to              products, although it may offgas more slowly.
                                    apply and almost impossible to find. They set back the transition
                                    to “green” paint, especially among contractors.                               ■■ Breathe: How well a paint allows water vapor to pass
                                      But those quality problems have been solved. Most of the latest                through it without blistering or failing.
                                    generation of low-impact paints and adhesives perform almost as
                                    well as their solvent counterparts. But beware of exaggerated green           ■■ Back Priming: Coating the back or hidden face of siding or
                                    claims. Some companies like to hint that their paint brands are                  trim prior to installation as an added measure of protection
                                    eco-friendly, when they’re really just doing the bare minimum—                   from moisture.
                                    meeting regulatory standards. The same consumer caution should
                                    apply to adhesives. Remind yourself that the color of a product’s             ■■ Colorants: These add color to paints, and are a potential
                                    container or labeling may have nothing to do with what’s inside.                 source of added VOCs in paint products.
                                    On the other hand, several manufacturers have developed zero-
                                    VOC colorants—a common source of added VOCs in paint—and                  VOCS
                                    can claim that their products are truly “zero VOC.                        They’re Not the Only Villains
                                      As you consider low-VOC, no-VOC and other emissions claims,             Just because a paint is low in volatile organic compounds doesn’t
                                    here are some points to consider.                                         mean it’s safe to apply it in your home without wearing property
                                                                                                              safety gear—or that it won’t release other dangerous pollutants.
                                                                                                              VOCs are just one category of paint ingredient. Even if a paint
                                                                                                              contains no VOCs at all, it may contain hazardous airborne
                                                                                                              pollutants (HAPs). These take the form of both gases and tiny

                                                                                                                                                                   continued on page 57

                                 Sherwin-Williams Harmony                                                     VISION HOUSE® AT MARIPOSA MEADOWS PRODUCT
                                 Interior Acrylic Paint
                                                                                                                                        BEHR Premium Plus Interior Paint
                                 GREENGUARD Gold-certified Harmony is
                                 a zero-VOC formula tinted with ColorCast                                                                       Behr Premium Plus interior paint is
                                 Ecotoner colorants, which do not add VOCs.                                                                     GREENGUARD Gold certified, and offers
                                 The paint also includes technology that                                                                        homeowners more than 4,000 color choices in
                                 can potentially reduce odors and harmful                                                                       semi-gloss, flat, eggshell and base finishes. The
                                 VOCs such as formaldehyde from carpets,                                                                        zero-VOC formula is a low-odor
                                 furniture and finishes.                                                                                        and self-priming product.
                                 http://bit.ly/1NBslVC                                                                                          www.behr.com/consumer/home
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