Fresh Wall Paint Now Has Some Dark Blotches Appearing

We had a new concrete patio installed this week and after top cast was removed we noticed there was dark concrete streaks in some areas. It looked like hardened cement that had dried on top and was darker in color than the rest of concrete. The day they installed the concrete it was hot about 80 degrees and very windy. They applied a top cast per our request to expose some aggregate and left.
Fresh wall paint now has some dark blotches appearing. My husband and I bought a 1962 travel trailer that was in really good condition. There had been a prior leak in the top front but someone fixed it, and replaced most of the front end. Despite its great condition, the previous owner had painted everything light yellow and dark yellow (my least favorite color) So we decided to paint it white. We started by painting a layer of oil-based kilz. Lightly mist the concrete with water and then spray on efflorescence cleaner. Choose a moderately warm day, but if possible wait until the concrete is in the shade before spraying. Use a nylon-bristle brush to scrub the concrete once it has been sprayed with the cleaner. Wear gloves, eye protection and heavy clothing while scrubbing. Paint a frame to conceal trouble spots: A lot of times old mirrors will have the most spots around the very edge of the mirror because that’s where water got splashed or steam from a bathroom would creep behind the mirror over the years. While you can use the above tricks to fix or minimize damage on the edges, you can also tape off a border or design, use a few coats of spray paint, and. How to Fix Drywall Patch Marks Showing Through Paint. Drywall is a common material for interior walls and ceilings in buildings and homes. While you can dress the material with a variety of.
Please register to participate in our discussions with 2 million other members - it's free and quick! Some forums can only be seen by registered members. After you create your account, you'll be able to customize options and access all our 15,000 new posts/day with fewer ads. The fix. Synthetic short-napped roller covers (1/4 inch) work best on most walls, ceilings, and trim. Use longer-nap roller covers for textured walls, or walls that have a very uneven surface from. Some discoloration problems are baffling. These driveway lanes were placed on two different days with the same supplier, same mix, same crew, same subgrade, but with very different results. Any contractor who has placed concrete that ends up being discolored knows how big of a nuisance and disappoint it can be to everyone involved. Insect droppings or fly specks can be cleaned with a rag damp with an ammonia and water mixture. A new coat of a stain-covering primer and paint will also cover up stains that cannot be completely removed, but the wall should be as clean as possible before adding primer and paint.
If water has a high iron or mineral content, or if the water is carrying leaves or dirt, it can leave behind iron or rust colored stains, or dark spots on the concrete. The most common way to remove discoloration caused by water is to use a heated pressure washer, or acid rinse. How to Even Out Splotchy Interior Paint. If you're planning to put your home on the market, a fresh coat of paint is a cost-effective way to make it appealing to potential buyers. However, buyers. Sometimes a previously undetected stain can actually be brought to the surface by a fresh coat of paint, creating streaks, or dark patches that are extremely noticeable. This type of bleed through typically is caused by a conflict between the blotch and the applied paint, compounded by using either the wrong type of primer on the wall or no. we bought a home last year that is 100+ years old. we are slowly gutting each room and redoing them. but while doing other rooms that need it more, i wanted to paint the living room just to make it look nicer. right now it has old wood paneling on it. we can't take that off because we can feel under it some of the plaster has broken and fallen. i washed the walls down last night and today i.
So our plasterer finished up last Tues (8 days ago now) The majority of the plaster has dried quite nicely and quickly except for these weird spots. Some google searching brings up similar pictures of a couple of articles saying it could be grease/oil stains, old nicotine stains or even mould Especially if you hired a cut-rate painter. I spent hours cleaning the tiny drops of paint, and smudges of paint that got under our feet and then on the carpet. Our painter knocked over a loaded paint tray, on brand new carpeting, too, but did a good job cleaning up 99% of it, with water and a water vacuum cleaner. Damp/grease marks suddenly appearing on walls. We have recently painted the whole of our studio flat. After about a month we have been noticing darker patches on the walls.... Dark patches appearing on walls a couple of months after painting. Hello everyone, I hope someone out there can help. Internet Archive Book Images/Wikimedia Commons/Public Domain. Alligatoring is a type of paint film failure in which the surface develops a cracked pattern with deep relief, resembling a reptile's skin.Checking is a similar failure, but it is less severe and is characterized by long, fairly evenly spaced cracks in the paint film, having shallow relief or depth.