Mildewcide, UV inhibitors and other additives are recommended for specific problem areas, such as house sections that receive too little—or too much—sun exposure. For unpainted siding and trim made of redwood, cedar or a similar species with high tannin content, choose a good stain-blocking primer to prevent bleed-through from the wood as it ages. Quality latex primers contain a high percentage of acrylic as a binder, or glue, in the mix. To give traditional oil-based exterior primers their due, many pros prefer oil-based primer or sealers for blocking stains and bleed-through with redwood and cedar, while many others have switched to good acrylic latex primers with stain-blocking additives.
Most types of primer are designed to soak into pores, cracks and gaps in surfaces, making all of these imperfections stand out. This gives you a chance to fill in holes, cracks and other blemishes before the top coats of paint go on. If the paint is sound, you generally need to prime only scraped or repaired areas. You can also use a stain-blocking primer in lieu of regular primer to seal knots in board siding or trim and to cover stains that you can't remove, such as rust.
Chung Pare Explainer. How long does it take for exterior primer to dry? Primer Drying Time. Dovydas Fraioo Explainer. Is exterior primer necessary? Atanas Oostendorp Explainer. Does primer make wood waterproof? A layer of primer will prevent the underlying wood from prematurely absorbing the solvents in the finishing paint. Primer can reduce the number of paint coats needed for good coverage and even color. Water can permeate into the wood and cause warping, mildew, or dry rot.
Primer improves the waterproofing of the finish. Tanzila Remmien Pundit. Is oil based primer better than latex? Oil - Based. Oil - based primers are better than latex primers at sealing nail heads, covering knots in bare wood, and blocking tannin bleeding and other stains.
They are also better for sealing bare window muntins that will be covered with oil - based window putty. Natanael Casabon Pundit. Which is better Zinsser or Kilz? Bleed-through, odor, and consistency.
Feliks Ouadi Pundit. What kind of primer should I use on wood? If your wood isn't stained, use a high-quality latex primer or an oil-based primer. If you have wood that's stained or you're painting redwood or cedar, use a stain-blocking primer. Abisai Schotte Pundit. How do you weatherproof wood? There are three surefire ways to waterproof your wood for years to come.
Use linseed or Tung oil to create a beautiful and protective hand-rubbed finish. Seal the wood with coating of polyurethane, varnish, or lacquer. Finish and waterproof wood simultaneously with a stain-sealant combo. Bud Rohweder Pundit.
That will result in you having to apply another coat, thereby incurring more expenses. On the upside, you can use this product over vivid colors as it does a good job of hiding and covering.
One gallon will cover about to square feet. Pros Good coverage area Great sealant Relatively fast drying time Cons Cannot be used on all surfaces 5. Rust-Oleum Painters Touch. The Rust-Oleum Painters Touch sets itself apart from several primers by ensuring that users can apply their product indoors and outdoors. One gallon covers a surface area of to square feet. It does a decent job of protecting against staining and decreases the chances of getting mold.
The 3-in-1 application covers bonding, priming, and sealing, so it should save you some time — in theory. On the downside, we noticed some cracking and blistering caused by moisture within just a few weeks. This product will take about an hour to dry, and you can recoat after about 2 hours. That also means more effort exerted and more time spent doing the job.
Duckback Peeling Paint Exterior Primer. Duckback made this primer to prevent peeling, and it does a relatively decent job of that.
Pros Prevents peeling Cons No brand reputation Multiple coats needed RTG Exterior Primer. You can also use it on as a sealer for shutters, windows and moldings. That makes it difficult to determine if it really is generally of a good quality because not a lot of people have used it.
It will guide you about the various aspects of exterior primers that you have to look at to determine the one that will meet your needs. It will answer the questions that you need to know so that you can decide which type of exterior primer you should go for.
These are water-based and mostly suitable for prepping unfinished drywall. Latex primers usually dry fairly quickly and are less brittle than oil-based primers. Oil and shellac-based primers tend to be more effective at covering stains.
The great thing about latex primers is that they tend to have a very low odor because most of them have a low to zero VOC formula. That makes them a lot healthier than oil and shellac-based primers.
In most cases, they are also more environmentally friendly that the other two counterparts. This is the most common type of primer, and they have been an industry standard for many years. One of the things that makes this primer so appealing is that it works with oil and latex paints.
You can also use oil-based primers on unfinished wood because they work well to seal the porous surface of the wood. The problem with this type of primer is that they tend to take a while to dry. It can take several hours for an oil-based primer to be ready before you can apply a coat. This primer has mainly been used to seal wood. If you want a primer that works well inside, then the shellac primer is the go-to choice.
Shellac primers have a reputation for being great stain-blockers, doing a good job of preventing damage from rust, water and smoke. Another perk of shellac primer is that you can use them with oil and latex-based paints.
0コメント