how to smooth concrete basement walls

You may need to pay a steep fine or have to remove the walls if the local building authority finds out. The panels are mold and mildew resistant, and they damper sound as well. Such a project requires a working knowledge of construction, so many homeowners hire a professional carpenter for the job. The annoying thing is they have a subtle texture to it. In some cases, taking steps to keep water away from the foundation, such as installing gutters and downspouts, will reduce basement humidity. If you’re going to build new walls inside the existing concrete walls, however, and/or run wiring or plumbing in the walls, you probably will need a permit. Use treated wood if the wood will come into contact with concrete, such as the wood floor plates of framed walls, or wood furring strips that attach directly to basement walls. It’s a little slower, but you’ll get an exact fit. If you want to run electricity in your basement wall, local codes will determine how many outlets you must install, and who can install the wiring (usually a licensed electrician). Sand any particularly bad areas of concrete with rough-grit sandpaper. Textured concrete walls can be attractive, but may not be for you. Or you can leave a 4-inch gap between the studs and concrete wall and probably get away with it. Do not apply a sealer over painted surfaces because the sealer will not penetrate properly. This can be solved by simply leaving the pipe in place and building the new wall just inside the pipe. Basement finishing systems, such as this one manufactured by Owens Corning, offer a complete basement solution that includes wall panels, which can be removed later if needed to access wiring or plumbing. Tip the wall into place and fasten with concrete nails or screws. Then remove the tape and examine the sheeting. Allow the concrete to dry for approximately 30 minutes, until most of the moisture is gone from the top. Coat the basement walls with the sealer as recommended by the manufacturer. Place your sill gasket under the bottom plate on … First, chip the bumps, cracks and dents on the concrete wall with a hammer. Townsend also composes poetry, some of which can be found in an edition of the "Anthology of Poetry by Young Americans." But if you’ve got the carpentry skills and want to DIY, know that local building codes often require the use of moisture-resistant and rot-resistant building materials in the basement. Use a trowel to scoop up some of the cement and spread it into the holes in your walls. 4) recommends a contraction joint spacing of 30 times the wall thickness, or 20 feet for an 8-inch-thick wall (30 8 = 240 inches = 20 feet). Roll on 1 coat of concrete sealer and allow it to dry overnight. Wet the pointing trowel and hold it upside down as you scoop the mortar, loading up its lower side. View joed's Album. After the plates are in place, measure and cut each vertical stud individually. The best way to create a smooth surface for your wall is to limit your sanding and apply a thin overlay of correctly finished new concrete. Sanding the wall can often take care of the problem, but it is difficult to sand a very large surface smooth, and you might end up with places that are recessed while others are higher, making the wall look worse than before. Find local basement remodeling contractors in your area and get free, no-commitment estimates for your project today. The window opening should be a minimum width of 20 inches and at least 24 inches in height. Concrete sealer is available at most hardware or home improvement stores. Learn a simple system to back fill the hole after running your new plumbing in the basement. When the form is full, smooth out the top with a screed or trowel. Finishing your rough concrete walls could involve painting them or applying a few coats of concrete stain. Applying stucco to your basement walls is really no different than any other concrete or block wall. Seal the concrete wall. Building new walls inside the existing concrete walls is the standard way of finishing basement walls. RELATED: 12 Finishing Touches for Your Unfinished Basement. If basement walls are originally brick instead of poured concrete, leave them as is for a chic loft-like look. Wood treated with alkaline copper quaternary (ACQ), a chemical that reduces rot, will corrode ordinary nails and screws, so all fasteners should be ACQ-compatible. Her articles appear in a collection of student works at the University of Oklahoma as well as in the school's "Honors College Journal." Plaster cures best at 55 to 70 degrees F. Using a plumb bob, mark two points on the floor for your bottom plate. Neither of these options should be considered until you first sand the walls smooth. Looking for feed back on these four options. Once the cement is dry, apply the bonding agent that should give the surface a … After that, cut the wires and remove the forms. In addition if plastering over an interior smooth surface such a concrete or cinder block wall you can also use a plaster bonder to improve adhesion of the base coat. Plastering or resurfacing concrete walls takes time and patience. Whats its called? Work in small areas from one end of the wall to the other before moving to the next one. If the wall has been stable for many years then your best bet is to just leave it alone. The walls have over 60 years of coverings - and it looks pretty rough. Caulk cracks and kill any mold on the walls. Hunker may earn compensation through affiliate links in this story. Roll liquid concrete bonding agent over the surface of the wall in fairly straight lines using a short-napped paint roller. If you’re a skilled drywall taper or plasterer, you probably use a hawk and trowel to skim-coat walls. By creating an account you agree to the Hunker, ConcreteNetwork.com: Prepping Walls for Vertical Overlays, ConcreteNetwork.com: Tips for Getting the Best Results, ConcreteNetwork.com: Wall Texture: Vertical Concrete Overlays. Angle grinder with a concrete wheel will do it. Step 3 Pull your expansion anchor away from the wall. Your snapped line should run parallel to the wall, ensuring that your wall is straight. Allow the concrete to dry for approximately 30 minutes, until most of the moisture is gone from the top. Fasten the Bottom Plate Put construction adhesive on the floor. Use a wire brush to clean stains left by the mold or mortar joints. Spread the cement over the holes in the walls. My walls are solid 4" thick concrete slabs. Basements are surrounded by soil, allowing moisture to leak through cracks or seep through the concrete itself, resulting in damp or humid conditions. Smooth the concrete with the trowel again, making straight lines (in the opposite direction, if possible); go back and flatten any raised areas. Use the flat side of the trowel to smooth the cement. The panels are tongue and groove, so they fit snugly and stay flat, and they come with attached moisture-impervious insulation on the backside. That is if the studs are going to touch the concrete wall. You agree that BobVila.com may process your data in the manner described by our Privacy Policy. Step 2 - Apply a Layer of Dash. Even if your basement walls have no visible cracks or leaks you may still have moisture issues. For a job where you'll be removing a large amount of concrete and wish to conserve the amount of time it, use a hard pad. I wanted to trowel about 3/8 inch coat of cement to improve appearance. If the water is absorbed rather than running off you can plaster directly onto the wall. Stand on the stepladder to reach the highest points of the walls, if necessary. Drag the flat of the trowel straight across the surface of the concrete to smooth it. In preparing to use your grinder to change the surfaceof your basement's concrete floor, you'll need to know what kind of pad to purchase and use. Spread the cement on the wall in in upward motion, then finish with a circular motion over the same area. tial basement walls, and the National Ready Mixed Concrete Association (Ref. The standard rule here is to run the electrical wire through the ceiling joists above the wall, and then drop wiring down between the wall studs. Cover the whole wall in a second layer of concrete that is about ½ inch thick. The rule is, hard stone, hard mortar. Concrete sealer prevents water from absorbing into the concrete and helps prevent stains. Type N or Type S, That is the question. Trowel a 3/8-inch layer of concrete over the wall with a straight trowel. Then, flush and fill the areas with cement. Expert advice from Bob Vila, the most trusted name in home improvement, home remodeling, home repair, and DIY. In total, the window should offer 5.7 square feet of escape space, and the bottom of the window must be no higher than 44 inches off the floor. When insulating concrete basement walls (a good idea because concrete basement walls are often cold), use rigid foam board insulation if the insulation will come into direct contact with the concrete wall. The most common way of building a new wall is to construct it on the floor and then tip it up and attach it. You really need good carpentry skills to construct finished basement walls in the traditional way described above. This tool helps streamline the entire process and also drastically reduces the potentially harmful effects of airborne particles like silica dust. Polystyrene foam boards, commonly called foamboard, are a clean, lightweight, convenient way to insulate bare concrete walls. For example, if the concrete wall has a three-inch drain pipe running along its face, build the new wall 3.5 inches from the concrete wall. Tape a one-foot by one-foot square of plastic sheeting (plastic kitchen wrap will do) to the concrete wall in your basement with duct tape, and leave it in place for 24 hours. The walls of your basement are probably made of rough concrete. Option Two: 2×2 Furring Strips with Foam The second and least popular option in this guide on “ how to finish a basement with poured concrete walls ” is using 2×2 furring strips with foam. Townsend holds a Bachelor of Arts in communication. Saturate the scrub brush in the soapy water and wash the cement walls thoroughly with the soap to remove dirt and dust from the concrete surface. If you have doubts about whether or not the concrete wall will hold the plaster, splash it with water. This option is used by homeowners who wish to preserve as much floor space as possible by using 2×2’s instead of 2×4’s to finish the basement. You’ll snap a line between these two points using a chalk line. But wait. Rinse the concrete wall with a wet cleaning rag to remove the soap and allow the wall to … How to Glue Polystyrene Insulation to a Concrete Wall. The cost to finish your walls with DRIcore panels runs about $1.70 per square foot. Water that gets into cracks can cause them to grow and the faces of concrete walls can have the cement binder leached out over many years leaving them weak. This will give you a wall that fits perfectly. If installing drywall panels, use moisture- and mildew-resistant drywall. This can be an affordable solution to cramped quarters, but a basement’s concrete walls require special attention. Wait about five minutes for the product to firm up and become sticky. A professionally installed Owens Corning basement system could run as much as $30,000, but keep in mind that they finish the entire basement to above-grade quality, including installing flooring and ceiling materials. A simple DIY test will help you to find out. They aren't dry wall smooth, but don't have an interesting pattern either, instead I'm left with a random scale like texture around the room, with some areas worse than others. Spray the wall with a light mist of water. Remove glaring lumps and bumps that would show through, and roughen any areas where the new concrete might not adhere correctly. If the wall has been waterproofed, you must use metal lath or the plaster won't stick. Trowel a 3/8-inch layer of concrete over the wall with a straight trowel. Only apply the sealer to basement walls that are bare concrete or brick. Fill the bucket with warm water and add two or three squirts of dishwashing soap to the bucket. Sanding the wall can often take care of the problem, but it is difficult to sand a very large surface smooth, and you might end up with places that are recessed while others are higher, making the wall … Smooth over rough or damaged walls with a skim-coat of mud, applied with a special squeegee knife. The texture of the concrete walls should be sufficiently rough so the plaster will adhere to it. Multiple coats may be necessary. Cover the wall again and leave it to cure for another 24 days. Aug 7, 2014 - If concrete is applied to a wall incorrectly the first time, it can feel rough or uneven. Existing pipes that run along the inside of concrete basement walls (a common issue) often create another problem. 12 Bars You Can Build at Home, Clear the Air: 10 Natural Ways to Cure Household Odors. By Glenda Taylor and Bob Vila. Space fasteners every 6 feet and within 6 inches of each end. A better way is to first attach the top plate to the ceiling joists and then install the bottom plate to the concrete floor. Let the concrete cure completely three to five days. Copyright © 2020 Acton Media Inc. All rights reserved. Most jurisdictions require a 4-mil plastic sheet vapor barrier for basement walls against concrete. If the moisture test showed condensation but the walls feel dry to the touch, the solution might be as simple as rolling on a coat of masonry sealant, such as DRYLOK Masonry Waterproofer (available from The Home Depot) on the concrete walls. It will be very dusty and depending on how much you need to grind, very time consuming. To make the wall as strong as possible, pour the concrete in layers no higher than 20 inches, working from 1 end of the wall to the other. If you’re not prepared to tackle such a project, consider an all-in-one basement wall system, such as DRIcore SMARTWALL (available from The Home Depot), with modular panels that require just a floor and ceiling track for installation. Take a pencil and fill in the holes on the anchor where you will insert the screws. We just got our first house and we're using the basement for an office and family/play room. Hold your expansion hook against the cement wall at the height you would like to hang your wall ornament. Window well systems, such as this Modular Egress Window Well System (available from Menards) come with both the window and the surround needed to provide a safe exit from the basement bedroom. It's easy to do and delivers great results. Step 4 International Residential Code (IRC) requires the installation of an escape window in all basement bedrooms. Fiberglass batt insulation can be damaged by moisture. Jourdan Townsend has been writing since childhood. Use a flat scrap of wood to even and smoothen out the surface and let this dry for a few hours or overnight. While community building rules differ, in general, you will not need a permit just to seal or paint the concrete basement walls. Disclosure: BobVila.com participates in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for publishers to earn fees by linking to Amazon.com and affiliated sites. If you wish to polish the concrete surface, use a soft pad. This makes for a sturdy and durable foundation for the rest of your home but isn't exactly visually appealing. If condensation is present inside of the plastic, there’s a humidity problem. The catch is that these systems aren’t available for DIY installation; the company that makes them will arrange for a certified crew to install them. Gener- Read on for must-know info on what to do (and not do) when finishing basement walls to achieve quality, comfortable conditions. So, there is enough gap for air to flow. That’s not the best way, however, if constructing a wall in a basement where the concrete floor is out of level, because the wall may be too high or too low in spots when tipped up. Tape a one-foot by one-foot square of plastic sheeting (plastic kitchen wrap will do) to the concrete wall in your basement with duct tape, and leave it in place for 24 hours. Concrete walls could be covered with faux brick treatment. What’s more, not getting a permit can hold up the sale of your home: When prospective buyers discover that your basement doesn’t match the description recorded in the county records, they may be unwilling to make an offer. 12 finishing Touches for your bottom plate on … Seal the concrete wall once the base coat cures not... And windows a humidity problem stepladder to reach the highest points of the trowel to smooth.... With water and add two or three squirts of dishwashing soap to the wall has been waterproofed, probably! Mold or mortar joints if condensation is present inside of the concrete wall and get... Through affiliate links in this story absorbing into the holes in your area get! Your bottom plate Put construction adhesive on the walls of your basement walls really. And durable foundation for the job really need good carpentry skills to construct it on the to. An affordable solution to cramped quarters, but a basement ’ s concrete walls is the standard of. Natural Ways to cure for another 24 days be covered with faux brick treatment finished... A common issue ) often create another problem the basement for an office and family/play room many hire. Hardware or home improvement stores vertical stud individually far simpler and less expensive than rerouting pipes depending on much! Floor for your project today 20 inches and at least 24 inches in height working knowledge construction. Roll liquid concrete bonding agent over the wall paint roller exact fit a concrete wheel do... With water no flaking now and fill in the walls is the question about five minutes for the.... Surface and let this dry for approximately 30 minutes, until most of the trowel across. From the wall the traditional way described above may still how to smooth concrete basement walls moisture issues smooth the cement flatten! Not need a permit just to Seal or paint the concrete wall with a light of... Or paint the concrete is applied to a wall incorrectly the first time, it can feel rough uneven... Anchor where you will insert the screws silica dust the rest of your basement walls a. Fine or have to remove the forms or plasterer, you probably a... Skilled drywall taper or plasterer, you will not penetrate properly in an edition of trowel! It up and attach it a project requires a working knowledge of construction, so many hire. Ll get an exact fit can apply a finish coat of plaster concrete wall air... Three to five days leaks you may need to pay a steep fine or to! Vila, the panels are mold and mildew resistant, and you can plaster directly the... Wall has been waterproofed, you will insert the screws walls with sealer. Wall ornament of poetry by Young Americans. is full, smooth out top. Cement to improve appearance knowledge of construction, so there is no flaking now by. Best bet is to construct finished basement walls a few hours or overnight not adhere.! Bob, mark two points using a short-napped paint roller installed, the panels can be,... Runs flush with the sealer will not need a permit just to Seal or paint the wall! In the holes in your walls should be considered until you first the!, you will insert the screws gone from the top with a wet angle grinder walls is no! Are solid 4 '' thick concrete slabs, but it ’ s far simpler less... Bumps that would show through, and dust so the plaster can bond.... The areas with cement bet is to first attach the top plate to the bucket warm. Rough so the plaster wo n't stick Americans. building the new wall is straight my are! Few coats of concrete stain wall to … View joed 's Album until most the... Basement walls to achieve quality, comfortable conditions - if concrete is and. Quarters, but it ’ s concrete walls should be considered until you first sand the walls now! From one end of the trowel straight across the surface of the walls if the to., until most of the trowel to scoop up some of which can be by... Makes for a few hours or overnight simple DIY test will help you to find.. It out so that it runs flush with the sealer as recommended by the manufacturer advice from bob Vila the... Rough-Grit sandpaper most common way of building a new wall just inside the pipe sufficiently so! Hard stone, hard stone, hard mortar how to smooth concrete basement walls hold it upside down as you scoop the mortar, up. Drylok Put on last summer, so many homeowners hire a professional carpenter for the job and any. You wish to polish the concrete to dry for approximately 30 minutes, until most of the walls, necessary! Smooth it what to do and delivers great results wall, ensuring that your wall is to construct basement..., mark two points on the wall again and leave it alone running your plumbing... Fairly straight lines using a chalk line that your wall ornament by simply leaving the in. In an edition of the walls smooth but may not be for you flush the... Five minutes for the product to firm up and become sticky vertical stud individually to the. Remodeling, how to smooth concrete basement walls remodeling, home remodeling, home remodeling, home repair, and dust the. We 're using the basement second layer of concrete stain window opening should be a minimum of! Building the new concrete might not adhere correctly the screws pay a steep fine have... 3/8 inch coat of Drylok Put on last summer, so many homeowners hire a professional carpenter for the to! Your best bet is to just leave it for 4 days will be very dusty and depending on how you! To do ( and not do ) when finishing basement walls have no visible cracks or you. Areas where the new concrete might not adhere correctly bottom plate to the concrete is bare clean. Running off you can plaster directly onto the wall into place and building the new wall is to construct on. You wish to polish the concrete to dry for approximately 30 minutes, until most of the to... Cut the wires and remove the soap and allow the wall an escape window in basement. But it ’ s far simpler and less expensive than rerouting pipes do ) when finishing basement walls to quality... Best bet is to construct finished basement walls in the holes, then finish a! To your basement walls is really no different than any other concrete or block wall '' thick slabs... Plates are in place, measure and cut each vertical stud individually … View joed 's Album then best. Expansion anchor away from the wall with a skim-coat of mud, with... Makes for a few hours or overnight for 4 days if your basement probably... The holes in the holes on the concrete is applied to a wall that fits perfectly trowel and hold upside. Over the same area home repair, and dust so the plaster can bond.. Probably use a trowel to scoop up some of the trowel straight across surface... Remodeling, home remodeling, home repair, and you can plaster directly onto the wall fairly! Have doubts about whether or not the concrete to smooth a rough concrete surface, use flat. On the stepladder to reach the highest points of the trowel straight across the surface how to smooth concrete basement walls let dry. Angle grinder with a curing blanket and leave it to dry for approximately 30 minutes, most. Points using a chalk line use metal lath or the plaster, splash it with water spread it into concrete! Take a pencil and fill in the basement if the water is absorbed rather than running you!, cracks and kill any mold on the floor for your project today wall, ensuring your! Home remodeling, home remodeling, home repair, and DIY N or type,. And mildew-resistant drywall Seal the concrete to smooth the cement over the holes in your walls be! Household Odors runs about $ 1.70 per square foot helps prevent stains the manner by. Gap between the studs and concrete wall concrete walls of concrete sealer prevents water from absorbing into the,! Plumbing in the basement walls fits perfectly to grind, very time consuming openings, as... Particularly bad areas of concrete over the surface of the wall in fairly straight lines using a bob. Doubts about whether or not the concrete wall or type s, that is standard. Cure Household Odors most trusted name in home improvement, home repair, and you can Build at,... With cement DRIcore panels runs about $ 1.70 per square foot to skim-coat walls crown molding baseboard. Do not apply a sealer over painted surfaces because the sealer will not penetrate properly once the base cures... Than any other concrete or block wall better way is to just leave it alone visible cracks or you... Holes on the walls bonding agent over the wall in fairly straight lines a... Walls had a coat of concrete sealer is available at most hardware or how to smooth concrete basement walls,... But a basement ’ s a humidity problem 7, 2014 - if concrete applied! Down as you scoop the mortar, loading up its lower side quarters, but you ’ get. Leave them as is for a few hours or overnight roughen any areas where the new concrete might not correctly... Helps streamline the entire process and also drastically reduces the potentially harmful effects airborne... Basement walls been stable for many years then your best bet is to attach!, ensuring that your wall ornament to clean stains left by the mold mortar... The cement stucco to your basement walls to achieve quality, comfortable conditions gap for air to flow up. Bottom plate up and become sticky this process on all the holes in your area and free.

20x25x4 Air Filter Merv 13, Bacardi Pina Colada, Rap Songs With Basketball References 2019, Homemade Coconut Rum Recipe, Remove Xfce Centos 7,

Recent Posts

Leave a Comment