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With a masonry chisel. It may be easier to cover it with a new surface.

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16y ago

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How do you get masonry nails out of plaster without removing the plaster?

Masonry nails have very small heads, and are notoriously difficult to remove from plaster, concrete, and wooden walls. The best way to remove them, without removing the plaster, is to cut the head off so that it is flat to the wall. Then, fill in the hole and repaint, if necessary.


What material are my walls made of?

The material of your walls can vary, but common types include drywall, plaster, brick, concrete, or wood.


Is there lead in plaster walls?

Older plaster walls may contain lead-based paint, which was commonly used before the 1970s. Lead-based paint can be found in layers of paint on the plaster walls. It is important to test for lead before attempting to remove or disturb the walls.


What insect burrows in concrete block wall?

Termites burrow into concrete block walls. Termites live in many types of structures. In addition to walls they also live in baseboards and slabs.


What is the thickness of a concrete hollow block?

The standard concrete building block for load-bearing walls is 8 x 8 x 16


How can I effectively paint concrete block interior walls?

To effectively paint concrete block interior walls, follow these steps: Clean the walls thoroughly to remove dirt and debris. Apply a primer specifically designed for concrete surfaces. Use a high-quality paint suitable for concrete blocks. Apply the paint in thin, even coats using a roller or brush. Allow the paint to dry completely between coats. Consider using a sealer to protect the paint and improve durability.


How can I effectively waterproof concrete block walls inside my building?

To effectively waterproof concrete block walls inside your building, you can apply a waterproofing sealant or membrane to the walls. This will help prevent water from seeping through the concrete blocks and causing damage. Additionally, you can also ensure proper drainage around the building to divert water away from the walls.


Are poured concrete walls better than concrete block walls?

It depends on the application. For homes, masonry is fine as long as it is insulated well against the weather. Masonry rarely needs maintenance. Concrete walls are stronger and last longer than masonry but are more costly to construct. For basement walls, I suggest that you always use concrete walls. Above ground level, masonry is cheaper and strong enough for residential and commercial, multi-story applications. For retaining walls, 8" thick masonry works well up to about 8 feet of retained earth. Above that, the lower courses of block will get thicker to 12". You still need concrete footings for block walls.


What type nail is used to fasten boards to cinder block walls?

concrete nail


Are concrete blocks cheaper then a concrete slab?

That's sort of a strange question. A concrete slab is a horizontal surface -- it's meant to be a surface you stand on or build things on. Concrete blocks are usually used for vertical surfaces -- walls. I believe that poured concrete walls are more expensive than concrete block walls. You wouldn't use concrete blocks as a substitute for a concrete slab.


How can I effectively remove mold from concrete block walls?

To effectively remove mold from concrete block walls, you can use a mixture of water and detergent to scrub the affected areas. Additionally, you can use a solution of bleach and water to kill the mold spores. Make sure to wear protective gear such as gloves and a mask while cleaning to avoid inhaling mold spores. After cleaning, ensure the area is well-ventilated to prevent mold from returning.


Why did they use plaster walls in the himeji castle?

The japanese put white plaster on the walls because it is fireproof