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I'm not sure in your exact application as it is a countertop, however, I will offer what I have found in my recent search of "polyurethane over an old brick wall" in our home that we recently discovered, and I had the same question. This is what I found and where I found it. -- Hope it gets you started. Good Luck! " Q: (from Donna in San Diego, California): We just finished removing the plaster from the chimney stack in the kitchen. It looks great but what should we do to the exposed brick? Jay: There are a couple products you can buy to seal brick. You may also want to try simple satin-polyurethane. The same product you use to protect wood. The brick may darken slightly as it soaks up the 3 to 4 coats, so don't be surprised. Remember to use it on the mortar as well. Above all make sure the area is well ventilated and you let each coat dry thoroughly. http://www.diynetwork.com/diy/ho_maint/article/0,,DIY_13948_3465461,00.html
What else can I help you with?
Can you polyurethane to seal a brick wall?
sure why not
What is a brown color forming around the kitchen sink seal between the sink and counter top?
Mold
Is a tiger seal a animal or a product?
Product. Tiger Seal is a polyurethane adhesive
Will polyurethane prevent wood from splitting?
Yes, polyurethane can help prevent wood from splitting by providing a protective barrier that helps to seal and strengthen the wood.
Do you apply polyurethane over stain for a finished wood project?
Yes, you can apply polyurethane over stain to protect and seal a finished wood project.
Do you put polyurethane over stain for a finished wood project?
Yes, you can apply polyurethane over stain to protect and seal a finished wood project.
Should I put polyurethane over stain for my project?
Yes, it is recommended to apply polyurethane over stain for your project. Polyurethane provides a protective layer that helps seal and protect the stained wood, enhancing its durability and appearance.
Can polyurethane use as coating for protection of water and heat?
It is a waterproofing seal but heat readily passes through it.
Is there a Tiger Seal?
"Tiger Seal" is the brand name for a polyurethane adhesive sealant. It will bond a wide range of materials. "Tiger Seal" is made my a company called U-Poll LTD. For the animals, no, there is not,but there is a Lepourd seals.
I have painted my kitchen only to realize the store gave me flat instead or semi gloss. Being a kitchen I need to protect it or seal it for cleaning. Can I put polyurethane or urethane over it?
Just go buy some semi-gloss and repaint. If the store made the mistake of giving you flat paint instead of semi, they should give you the correct paint for free or a discount.
How do you Seal brick fireplace?
Use refractory cement.... see above
How do I go about installing Formica countertops in my kitchen?
To install Formica countertops in your kitchen, start by measuring and cutting the Formica sheets to fit your counters. Next, apply adhesive to the counter surface and the back of the Formica, then carefully place the Formica on the counter. Use a roller to remove air bubbles and ensure a smooth surface. Finally, trim any excess Formica and seal the edges for a finished look.
