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Rustic brickwork can add a timeless sense of character to any room in your home. If your dull plaster walls are underlaid with rows of warm, hand-laid brick, as is typical of older homes, it may be possible to expose and restore it to its former beauty. All you need is a few basic tools, a little prep, and a whole lot of patience. Before you begin, be aware that uncovering brick could have unintended consequences, including severe structural damage. For this reason, you’ll want to test out the brick on an inconspicuous part of the wall first and call in a professional if you doubt your ability to get the job done right.
Steps
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Inspect the condition of the brick you want to expose before you begin. Use the tip of a chisel or knife to chip away a small piece of the plaster in an out-of-the-way area of the wall. If the brick below is intact and still has its original color, you can proceed with confidence. If it crumbles or breaks underneath your touch or looks cracked or porous, it’s probably best to leave it alone. [1] X Research source
- Attempting to expose deteriorated brick will only damage it further. If you’re not careful, you could end up ruining the appearance of the brick or even compromising the stability of the wall.
- It’s necessary to expose a portion of the brick in order to see if it’s worth uncovering the rest. Brick doesn’t always age gracefully, even when it’s sealed away beneath another finishing material. [2] X Research source
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Cover the floor below the wall with plastic sheeting. To prepare for restoration, start by removing any nearby furniture, fixtures, or personal belongings from the area you’ll be working in. Then, spread out one or more sheets of plastic over the floor, covering as much territory as you can. Use painter’s tape to secure the edges of the plastic to the floor at the base of the wall. [3] X Research source
- Taking a chisel to a plaster wall can generate a considerable amount of dust and debris. By taking a few moments to put down a protective buffer, you stand to save yourself a lot of time and energy that you might otherwise spend deep-cleaning later on.
- It may also be a good idea to seal off air vents and doorways close to your work area to limit the amount of dust that makes its way into other parts of your home. [4] X Research source
Tip: Keep your windows uncovered and open wide to provide some much-needed ventilation. If you like, you can even place a box fan on the window sill to suck out excess dust lingering in the air.
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Equip yourself with a respirator, goggles, and a pair of work gloves. It’s important that you use a respirator that actually filters the air to avoid breathing in lungfuls of drifting dust. An ordinary facemask won’t cut it for this project. And since this project is likely to take many hours, you’ll want to pull on some thick, durable gloves to keep your hands comfortable while you go to work on the plaster.
- Plan on wearing a change of old clothes that you don’t mind ruining. You may never get all the dust out of them once you’re done.
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Use a hammer and masonry chisel to break up the bulk of the plaster. Start at the spot you tested earlier and position the tip of the chisel against the wall at a downward angle. Hit the back end with your hammer to drive the blade into the plaster and separate it from the brick. Continue chiseling one patch at a time, working your way inward from the edges. [5] X Research source
- Alternatively, you can take care of the demolition phase with only a crowbar if you don’t have a suitable masonry chisel. Use the rounded end for smashing and the pointed end for prying.
- There’s no need to be delicate here, but don’t get carried away, either. The idea is to use enough force to loosen the plaster without damaging the underlying brick.
Tip: Exposing brick is slow, difficult work, no matter what tools you use. Be patient and try to pace yourself as best you can. It may be better to tackle this kind of project over the course of a weekend rather than attempting to get it done all at once.
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Pry off clinging sections using a crowbar or putty knife. If you’re lucky, you’ll send large chunks of plaster raining down with each strike of your chisel. If not, you’ll need to give it a little encouragement. Wedge the tip of your crowbar or putty knife beneath the outer edge of stubborn sections and pull back forcefully to coax them free of the wall. [6] X Research source
- You’re more likely to remove the plaster in broad sheets using slow, controlled strokes than you are using quick, choppy ones.
- Keep a few large plastic tubs or buckets on standby to catch the plaster as it comes off of the wall.
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Go over the freshly-exposed wall with a wire brush. Once you’ve successfully removed plaster, give the entire surface a thorough scouring, applying moderate pressure with your brush. This will loosen any remaining debris that's too small to get at with your crowbar or putty knife. Work from top to bottom to avoid spreading more dust to sections you just brushed.
- If you notice your wire brush leaving scratches in the brick, one solution is to buff them out using a power drill fitted with a wire brush bit. Unlike the handheld brush, the rotary bit spins a circular direction, erasing conspicuous lines and scratches. [7] X Research source
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Apply a mild soap solution to the wall and let it sit for 10 minutes. Combine equal parts water, liquid dish soap, and salt in a spacious container and stir them together until they form a thin paste. Use a clean cloth or sponge to spread this paste onto every exposed part of the wall in sections. Then, allow it to soak into the brick for at least 10 minutes. [8] X Research source
- The exact quantity you mix up will depend on the size of the wall you’re cleaning. It may be necessary to prepare multiple batches of the solution if you’re cleaning an entire wall.
- As the solution sits on the brick, the salt will gradually wear down the tiny particles of plaster left behind while the detergent in the dish soap lifts away set-in dirt and oil.
- This solution is also perfect for regular cleanings once you've got your brick fully exposed and sealed.
- You can also buy a specific brick cleaning solution. These products are usually sold at local brick suppliers.
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Wipe the entire wall with a wet cloth or sponge. Dunk your cloth or sponge in a container of clean, warm water and use it to wash away the soap solution, along with any dust and debris it’s collected. Move your cloth or sponge along in smooth back-and-forth or circular motions, starting with the upper section of the wall. Continue rinsing until the brick is completely free of soapy residue.
- Wring out your cloth or sponge frequently, and change out the water in your container as soon as it becomes so murky that you can no longer see the bottom.
- Other options for cleaning exposed brick include sandblasting and applications of muriatic acid. Keep in mind, however, that these methods are far less gentle than a homemade soap solution, and are therefore more likely to damage brick that’s become brittle with age. [9] X Research source
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Roll or brush on 1-2 coats of brick sealant to protect the exposed brick. Apply the sealant the way you would ordinary paint, aiming for full, even coverage. Allow your first coat to dry for 2-3 hours, or until it’s no longer tacky to the touch. Then, throw on a follow-up coat. Let this final coat cure for at least 1 week prior to decorating, painting, or otherwise interfering with the exposed brick. [10] X Research source
- Choose a 100% acrylic sealant that’s resistant to dirt, water, and scratches. Make sure the sealant you get offers a matte finish—you don’t want to accidentally coat your brick in a high-luster gloss!
- A good brick sealant will safeguard your brick from deterioration as a result of exposure to air and moisture. This is especially important if the brick is more than a few years old. [11] X Research source
Tip: A soft-bristled paintbrush or a roller with a minimum 3 ⁄ 4 – 1 1 ⁄ 4 in (1.9–3.2 cm) nap will make it easier to work the sealant into the cracks, crevices, and pores in the rough brick.
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Community Q&A
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QuestionI have already removed plaster, washed the wall down several times and used a wire brush, but still have a white chalky surface when the bricks dry. What can I do to get rid of it?Community AnswerTry brick/mortar acid. This will work on it. Sometimes even on new bricks they can start to have white faces from the salt being drawn from the brick. A couple of goes with acid should clear it.
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QuestionHow far down do I have to chisel?Community AnswerIf you're asking how deeply you need to chisel, plaster ranges in thickness from 5/8" to slightly more than an inch. If it's on top of brick, it shouldn't be more than an inch (2.5cm). However, if you were asking where on the wall to chisel, that is up to you. You may prefer to choose a low corner that isn't easily visible just in case you get into it and decide there is no brick or that the brick that is there is too bad to use. This way you can patch it up and it won't be quite as noticeable. Equate it to using a test strip of paint. It lets you see the overall look, but is still easy to clean up.
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QuestionIf there is a light switch or socket on the exposed wall, how do I hide the wiring?Community AnswerYou used exposed conduit: this hides the wire and gives things an industrial look.
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Tips
- If you discover any hidden wiring or electrical fixtures behind the plaster of your wall, stop what you’re doing and get in touch with a qualified contractor. They’ll be able to clear these areas without damaging any critical electrical components.Thanks
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Warnings
- Keep in mind that the decision to expose the brick on one of the interior walls of your home is a bit of a gamble. It could lend your home an air of classic comfort and style, or it could reveal a layer of badly deteriorated brick that needs immediate replacing. Either way, you’ll have no choice but to live with the results.Thanks
- Stay away from electric chisels and similar demolition tools. They may seem more efficient, but in reality they’ll offer you less control and increase your likelihood of damaging the brick you’re trying to restore.Thanks
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Things You'll Need
- Respirator
- Goggles
- Gloves
- Plastic sheeting
- Painter’s tape
- Masonry chisel
- Putty knife or crowbar
- Wire brush
- Water
- Mild liquid dish soap
- Salt
- Cloth or sponge
- 100% acrylic matte-finish brick sealant
- Soft-bristled paintbrush or nap roller
- Large plastic tubs or buckets
- Small mixing container
- Box fan (optional)
- Power drill with wire brush bit (optional)
- Sandblaster or muriatic acid (optional)
References
- ↑ https://www.realhomes.com/advice/how-to-create-a-feature-with-an-exposed-brick-wall
- ↑ https://www.apartmenttherapy.com/truth-about-exposing-brick-32984793
- ↑ https://www.realhomes.com/advice/how-to-create-a-feature-with-an-exposed-brick-wall
- ↑ https://www.baltimoresun.com/features/home/ph-mg-cl-exposed-brick-20150127-story.html
- ↑ https://www.youtube.com/watch?v=qfNiArVhZBM&feature=youtu.be&t=88
- ↑ https://www.realhomes.com/advice/how-to-create-a-feature-with-an-exposed-brick-wall
- ↑ https://www.youtube.com/watch?v=6PlGt9KLomI&feature=youtu.be&t=628
- ↑ https://www.countryliving.com/home-design/decorating-ideas/a43746/pros-cons-exposed-brick-walls/
- ↑ https://www.realhomes.com/advice/how-to-create-a-feature-with-an-exposed-brick-wall
About This Article
Article Summary
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To expose brick, first remove your furniture and personal belongings from the area you’ll be working in. Cover the floor below the wall with plastic sheeting, and put on a respirator, goggles, and a pair of work gloves. Next, begin removing the plaster by chiseling it off with a hammer and masonry chisel. Be careful not to use so much force that you damage the underlying brick! Remove particularly stubborn sections of plaster with a crowbar or putty knife. Once the plaster is removed, scour the whole surface with a wire brush and let a mild soap solution soak on the wall for 10 minutes. To finish, wash the solution away with a wet cloth or sponge, then brush on 1-2 coats of brick sealant to protect the exposed brick. Read on for more details on how to chisel away the plaster.
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