Most older homes have at least one layer of oil-based paint on the walls, but today, water-based paint is used more often for interior decor due to it's cost. Water-based, or latex , paints are a type of oil paint that can be thinned using water or turpentine while pure oil paints are paints that do not contain any water content but instead contain natural or synthetic resins. If you try to put water-based paint over an oil-based painted surface without any preparation, it will not adhere to the wall as it should. The glossy surface created by oil-based paint stops the latex paint from sticking very well. Even the touch of a fingernail will scrape the new paint off because the adhesion will be very poor.
How to Paint Oil-based Paint Over Latex Paint | setay2014.com
Real wood garage doors by Dynamic Garage Door. Many of my clients in Rancho Santa Fe have fabulous homes in these styles…and most of them have real wood garage doors. Is she awesome or what!!! Basically I chose a color similar to the look of raw, unstained wood, but wanted a tad bit more yellow in the undertone than real wood. Then, using my own custom mixture of several Minwax oil-based Gel Stains Walnut, Aged Oak and Chestnut , as well as a few drops of Universal Colorant, I quickly brushed the stain onto each panel of the garage door, using brush strokes in one direction. I used a cheap china bristle brush or throw-away chip brush, because the coarse bristles leave more brush marks in the stain as opposed to more expensive brushes that tend to soften or feather brush strokes.
Marine paint cost several times as much as house paint of similar composition. I worked for a major chemical company that also made paint and knew that their paint that made the most money and on which they spent the most on research was house paint. Houses are out in the weather all year-no winter cover or inside storage. Their owners expect to repaint them infrequently, such as every ten years or so. They also expect a good paint job will require little preparation before repainting.
It protects your wooden surfaces from scratches and prevents paint from peeling, and it's easy to clean. These qualities make it ideal for finishing tabletops, bartops, cabinets and other indoor surfaces. Polyurethane can crack and bubble if it is exposed to too much sunlight, so it isn't suitable for outdoor surfaces. Product Options Polyurethane can be oil- or water-based, and you can use either kind over latex paint; however, oil-based polyurethane tends to yellow as it ages, whereas water-based varieties stay transparent. Assuming you want the paint color under the finish to remain visible and unaltered, choose a water-based polyurethane for your project.