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Low-VOC Paints

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Low-VOC Paints

Here's another great tip from BobVila.com. There s more to that new paint smell than you might think. There are already federal restrictions on them because they re damaging to the ozone layer, but more and more studies are showing that volatile organic compounds, or VOCs, are dangerous to humans. VOCs are found in paint and lots of other products that contain solvents and petrochemicals. Their concentration can be 10 times higher indoors than out, especially right after a home improvement project. While most VOCs will dissipate on their own as the paint dries, they continue to off-gas at low levels for years. Ventilation is key during and after any paint job. Never use exterior paint indoors, and wait several days before moving into a room that s just been painted. High-level exposure to VOCs has been linked with eye and breathing problems, headaches, nausea, dizziness and even cancer. Children and asthma sufferers are especially vulnerable. Because of these health concerns, paint manufacturers have been putting a lot of effort into new lines of low- and no-VOC paints. Petrochemicals are what make up 5 to 15 percent of standard latex paints and about half of oil-based paint. That s about 450 parts per gallon. Until recently, these toxic chemicals were what made the paint work well. Now, to qualify as low-VOC paint, they must contain 100 parts per gallon or less and still do a good job. Non-toxic paints have lots of benefits, but one of the greatest is easy cleanup. Because it s not considered a dangerous substance, you can clean up the mess with soap and water and dispose of the cans in your regular trash. Find out more at BobVila.com: The ultimate home improvement web site! BobVila.com 2008

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Painting the Guest Bedroom

Bob talks to Ed Waller from CertaPro Painters about painting of the guest bedroom in the Melrose, Massachusetts, project. Waller explains that the paint being used is a latex paint which does not contain VOC's (volatile organic compounds). As a result, the room is free from noxious odors even as the paint is being applied. The no VOC paint actually holds to the walls better and is only a little more expensive than conventional paints. Two coats will be applied in this project so no spots are missed. Bob notes how the paint is being applied over the molding. Waller explains this is so no spots are missed and when they go back to paint the trim, a craftsman will paint with precise, straight lines to cover any molding gaps where it meets the wall. Bob is surprised that the radiator has been painted, but Waller says old radiators are often painted with latex paint with no negative effect on their heating ability. Bob asks how to find a good painter. Waller looks at the previous work they have done and who they have worked for, then trains them properly with full supervision in the field. Waller encourages the use of an extension pole when painting as, for a minor cost, it helps the painting process greatly. Weller also encourages painting in a direction from floor to ceiling to apply the paint evenly across the wall. When it comes to painting the trim, the crew uses a semi-gloss no VOC paint from the Sherwin Williams Harmony line. The primer that was used was also a no VOC paint from the same line. Painting the trim requires a steady hand and is the measure of a good paint job. Expensive brushes with synthetic, flared bristles are used while painting latex on the trim. Waller reviews proper painting technique using a pail to hold the paint, and gently tapping the sides of the pail with the brush to get rid of excessive paint before applying. Weller also gives tips for painting older panel doors. The door is painted entirely by brush rather than roller and work is done with tough stuff first working inside to out, top to bottom, and left to right. Bob reminds viewers to tape the hinges and remove the doorknobs and keyhole covers before painting. The tape is removed before the paint dries completely.

Painting with Low VOC Paint

Bob checks out the paint job on a Habitat for Humanity Blitz Build project, where he finds out about exterior paint that can be applied at temperatures near freezing and low VOC paints that have a low odor during application and dry time.

Cold Weather Painting

Now colder weather doesn't have to be an issue when doing exterior painting. While most conventional paints must be applied above 55 degrees fahrenheit, cold weather paints are designed to resist moisture, frosting, and blistering in temperatures as low as 35 degrees. They're safe for most any surface, and can be applied just like conventional paint, with a roller or brush.

Selecting Paint and Painting the Exterior Stucco Walls

Bob meets with Pat Estevez to discuss exterior paint selection and application techniques. Several paint colors are being used to accent the kitchen addition. Acrylic paint is used to stand up to the harsh sun and resist mildew.