Moisture from the paint could cause blistering or peeling. However if you choose to, there are many issues to consider. No Question Q: Can I paint over wallcovering?Ī: Answer We typically do not recommend painting over wallpaper. While it can be very effective, we do recommend testing adhesion prior to beginning a project. This product is made to promote adhesion to otherwise slick surfaces. If sanding is not feasible, test our Multi-Purpose Zero VOC Latex Primer. After washing the surface, use sandpaper (medium to smooth grit) to dull the existing sheen and to create a profile that will enable the new latex coat to adhere to the surface. For more information, call (in the U.S.) the National Lead Information Center at 1-800-424-LEAD or contact your local health authority.If no lead hazard exists, then the key is to render the surface clean, dry and dull. Controlling exposure to lead or other hazardous substances requires the use of proper protective equipment, such as a properly fitted respirator (NIOSH approved) and proper containment and cleanup. Exposure to lead dust or fumes may cause brain damage or other adverse health effects, especially in children or pregnant women. However, it is vital that the surface be properly prepared.If the surface may have been coated prior to 1978, please consider the following lead hazard cautionary statement:Warning! Removal of old paint by sanding, scraping or other means may generate dust or fumes that contain lead. What do you think?Ī: Answer The general answer is yes. Some say use a brush, some claim it is best to spray on the paint and then back-brush it, and others say just using an airless sprayer is best. No Question Q: There seems to be a lot of discussion about the best method to paint the exterior of a house. Be sure to stay within the recommended range. Ultimately, refer to the product data page and/or product label for a recommendation on which type of cover to use. However, when the surface is very smooth and you want to maximize the overall sheen and finish, a thinner nap, such as 1/4" or even a mohair 3/16", may be recommended. Also, when the surface is porous or textured, a heavier nap covers would be needed. In these cases, a heavier nap of 1/2" or greater may be needed. A more viscous paint will require a cover that can hold more product. Viscosity of the product, porosity and texture of the substrate, as well as desired finish. No Question Q: When painting a room, in which order should I paint the walls, ceilings, and trim?Ī: Answer Several factors should be considered when selecting the right roller cover. However, today's improved latex products have allowed for the substitution of latex in nearly all scenarios that had traditionally called for an oil base material. Oil base products are used primarily where a harder finish is required. Latex products typically will dry faster and are water clean up. The obvious differences are that oil base product require mineral spirits for clean up, have a longer dry time, and have a stronger odor while drying to a harder finish. While latex products are an emulsion suspended in water. Oil base products are those products that typically are composed of pigments dissolved in a mineral spirit such as paint thinner. Because of these factors enamel as, a paint term has become somewhat ambiguous. In the past this term referred exclusively to oil base products, however, new generation latex products area also at times referred to as enamels. No Question Q: What is the optimal temperature to paint outside?Ī: Answer Enamel is a broad classification for finishing materials that dry to a smooth finish. In this event, painting the entire wall may be the best option. Please note, though, that sometimes repaired areas may be noticeable. Try to prime and paint to a natural break. If the surface had to be patched, use a primer sealer. "Feathering" entails drawing the brush across the area outside of the touch-up onto the new paint to create a transition that diminishes the appearance of the touch-up. Apply a small amount of the touch-up paint and "feather" the edges, starting at the outside edge of the touch-up area into the center of the area. If the paint was brushed on, use a brush. Ideally, use paint from the same can that was used originally, but reduce it about 10% to 15% with the reducer recommended on the can.If you are touching up walls on which the paint was applied with a roller, use a small trim roller. A: Answer Touching up an existing painted surface can be challenging - professional painters wrestle with this constantly.
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