how to screen in a concrete slab

If the crown faces down, you’ll end up creating a trough in the slab where water can pool. A hand float is also a good tool for dragging small amounts of material or moisture (cream) into any voids or dry spots near the edge. This particular slab was cast to support a timber stud structure and a 75 mm-thick slab was laid on well-compacted fill. If you are doing a slab on grade (the ground) skip this step (you add the wire mesh supports last). However, because you don't get any 'do overs' when pouring a foundation most people wisely opt to contract the job out to a professional. Then cut and lay out pieces in a 4-ft.-on-center grid pattern. Place a scrap piece of lath under the door so there is a 1/4" gap between the slab and the bottom of the door. The size of the job can drastically change the concrete slab cost, because travel, set-up and other time-consuming details need to be factored into the quote. DOWNLOAD IMAGE. Make... 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A slight crown (bow) in the screed board is not only OK; it’s preferred. The easiest way to ensure proper curing is to spray the finished concrete with curing compound. Here are some basic hand signals to help you communicate with the truck driver. Note: Cut the two side form boards 3 in. You want enough concrete to fill all voids, but not so much that it’s difficult to pull the board. For a driveway or other slab without thickened edges, use 2x6s. Have a mucker (that’s what they’re really called) pull the excess back and fill in low spots during the screeding process. How To Build A Screened In Porch On Existing Concrete Slab, Top Tutorial, How To Build A Screened In Porch On Existing Concrete Slab The concrete should be firm before you start edging. Step 2 Check the forms for level (¼ inch for every 12 feet is sufficient to allow for rain run-off). The slab can be walked on and the forms pulled in 24 hours. Building Outdoor Fireplace Using Concrete … If you can’t get long enough boards, splice them together by nailing a 4-ft. 2×12 cleat over the joint. Wait at least 10 days to drive on it, and avoid spreading any ice melting chemicals for the first two years. How big is the job? For a 5-in.-thick slab with thickened edges, which is perfect for most garages and sheds, 2×12 boards work best. If you’re building a heated structure on the slab, cover the ground inside the concrete forms with 6-mil polyethylene sheeting. Do this in three or four spots and average the results. Slab runners support wire mesh in elevated concrete pours, you make them from welded wire supports in varying heights. Try to achieve a surface rough enough for traction but not so rough that it hurts to walk on barefoot. Wet concrete on skin can cause everything from mild redness to third-degree, permanently disfiguring chemical burns. Remodels. Splice the pieces together by overlapping them at least 6 in. Here’s a brief rundown of what you need to know about concrete and concrete prices. If you have to level a sloped site or bring in a lot of fill, hire an excavator for a day to help prepare the site. and wrapping tie wire around the overlap. Grooving creates a weakened spot in the concrete that allows the inevitable shrinkage cracking to take place at the groove rather than at some random spot. It can be used as patio space for entertaining and cooking in the yard. Unfortunately, a slab this size only requires about one cubic yard of concrete. Building a screened in porch on concrete slab mycoffeepot org screened in porch addition patio becomes screening in a porch you simple screened porch over concrete slab backyard dyi house build a screened in porch or patio diy my life art journey blue sky smiling at me. Lay down slab runners across your pour area to support the mesh. These interior or exterior slab coatings serve many purposes, either decorative or … thick and tamp each layer with a rented plate compactor. Building A Screened Porch On Concrete. Wear tall rubber boots if you have to wade in wet concrete. and divide it by 27 (the number of cubic feet in a cubic yard). Subtract the thickness of your slab. Start bull-floating the concrete as soon as possible after screeding. Drive a stake into the ground at each corner of the slab area. Plus: Learn how to remove stains from concrete. Check out the detailed steps for pouring a … We are no longer supporting IE (Internet Explorer). Installing the screen is as simple as rolling it out over each open space and stapling it every few inches along all sides. You and your helpers should take these steps: Wear eye protection. If the float angle is too steep, you’ll plow the wet concrete and create low spots. The porch shown was constructed on an existing concrete slab and, in … Use concrete blocks about 3-inches square, cut to half of the slab's height, and spread the blocks throughout the base of the foundation about 3 feet apart as your support base. Have a helper add or remove concrete in front of the screed as you pull it. Make sure you can see the driver’s face in the side-view mirror—if you can’t see him, he can’t see you. deep in front of the screed board is about right. Level, straighten and brace the second form board. Nail one end to the braced form and use the calculated length of the diagonal to set the form at 90 degrees. To extend your finish time on hot, sunny days, spray bone-dry ground with water to keep the base from sucking the water out of the concrete. Figure 1 - Vibrating a concrete slab to remove air pockets. Once the truck has reached the end of a section, spread the concrete out evenly, and a touch higher than the form, with a concrete placer/rake. For smaller concrete projects, follow these tips for mixing concrete to the perfect consistency. The important thing is to avoid wrinkles without pulling the screen so tightly that it stretches … I have a concrete patio and the screened porch will come on top of it with Semi gable roof. 3. Longer strokes will result in straighter lines. Check out the detailed steps for pouring a perfect concrete slab here. 18 posts related to Building A Screened Porch On A Concrete Slab. 2 MEASURE THE AREA TO BE DUG OUT Place the formwork in situ and use a spade to … Cut one side of the form to length and nail it to a corner stake. Build A Screened Porch On Concrete Slab. Want a change for your old concrete patio? Start by choosing straight form boards. Slide the screed board back and forth as you pull Pull back the excess concrete with the screed board. Here’s what you need to know. Be sure to ask what your supplier recommends for fill under slabs. Larger enclosures might need a slab with an 8”x8” footing. Here’s another idea for using leftover concrete: Create a polished concrete table with a solid wood base, with inlays of glass, leaves, tile or other materials. Don’t overspend on your next masonry job. The key to crack-resistant concrete is a firm base that drains well. Concrete slabs and coatingsOftentimes, contractors need to fill and reinforce slab cracks because a coating will be applied to the surface such as that found on a pool deck, garage floors as well as commercial floors. The fix will be durable and you avoid the high expense of a complete tear-out. With the forms in place, you can estimate how much fill you need. Building a screened in porch on concrete slab mycoffeepot org build a screened in porch or patio diy my life art journey blue sky smiling at me building a screened in porch on concrete slab mycoffeepot org build a screened in porch or patio diy cost of screened in porch estimate materials install prices. Nick asked if we really needed concrete under the flooring. Round the edges of the slab with an edging tool after any surface water disappears. Left alone, it will leave large air gaps, especially around wire mesh and rebar. Use 16d duplex (double-headed) nails to connect the form boards and attach the bracing. Install a rubber sweep on the bottom of the door to prevent insects from entering the porch (Image 1). The quickest way to cover a concrete porch floor is to use indoor-outdoor carpet, which adds softness and color. That will help to smooth out the ridges, troughs and valleys created by screeding. Concrete is an optimal material for sidewalks, patios and driveways, but any time you pour a slab, it is destined to crack. Need to remove a concrete slab? Cut a second board to the width of the slab. Cover it with pavers. Add a touch of charm to your front yard by creating oversized concrete house numbers. Apr 13, 2015 - The leading online guide to building a screened porch or patio with detailed instructions and photos from the DIY and How To Experts. Sandy concrete splashes can wreak havoc with your eyes. Enter the wall height of the screen: in feet Estimated screen price: $ - $ Estimated cost for the concrete slab: Estinated total concrete slab + screen enclosure: $0 - $0. Then figure on spending a day building the forms and another pouring the slab. Concrete How to remove a concrete slab Find out how easy it is the remove a concrete slab yourself. Drag a straight 2×4 (screed board) across the top of the concrete forms to level the concrete. Just make sure the crown side is facing up. 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This kind of weather accelerates the hardening process—a slab can turn hard before you have time to trowel a nice smooth finish. Wear gloves (rubber gloves are the safest bet). You’ll find rebar at home centers and at suppliers of concrete and masonry products (in 20-ft. lengths). Keep the leading edge of the float just slightly above the surface by raising or lowering the float handle. Whenever possible, run the bull float perpendicular to the direction you pulled the concrete with the screed board (this slab was too long to do that). A broom finish creates a nonslip surface for wet conditions. Start floating the slab immediately after the pour is complete. We are no longer supporting IE (Internet Explorer) as we strive to provide site experiences for browsers that support new web standards and security practices. You get 1.3 cu. Plan the route the truck will take. Pull back the excess concrete with the screed board. It’s better to make several passes with the screed board, moving a little concrete each time, than to try to pull a lot of concrete at once. Be sure to clear away any loose rocks. longer than the length of the slab. Stand the boards up on edge and measure each length marking the slab dimension on each board. If it is a small patio, this could be just a 4” slab. That will create a slight hump down the middle of the slab, so water will drain off. This will enable the slab to expand and contract with temperature changes to prevent cracking. Unless you have sandy soil, this means adding a layer of gravel. Larger aggregate (chunks of gravel) near the surface may cause spalling (chipping). Diy Screen Porch On Concrete Slab. Wire the intersections together. Take out any loose pieces of concrete from the damaged area of the concrete slab. In addition to pushing the aggregate down under the surface, a bull float helps level the slab, so start floating right after you screed, while the concrete is still wet enough to shape. rebar (steel reinforcing bar), Photo: Courtesy of Jackson Professional Tools, at least two contractor-grade wheelbarrows on hand. This project is simple enough for even beginning woodworkers to tackle. Wear long pants and long sleeves to protect your skin. To calculate the amount of fill needed, stretch a string across the top of the forms and measure down to the ground. The harder the concrete, the less rough the broom will leave the surface. Attach the door to the wall stud with hinges. You’ll nail the end boards between the side boards to create the correct size form. Cutting away the damaged concrete and pouring a new concrete cap on the step can often repair badly broken concrete steps. In order to get all the needed concrete ready to pour at once, people often call for a concrete delivery from a ready-mix company. Sight down the boards to make sure they’re aligned and straight before nailing on the cleat. Don’t fill the whole form or giant sections because the mound of extra concrete you’ll drag back with the screed board will get too heavy. He does this by making small stabbing motions with the float on the first return pass. All Park And No Bite How A Screened Porch Is A Timeless Solution. If there’s no hose bib nearby, you can use the water and hose that are onboard the truck. Screed the top of the concrete with a screed board resting on the opposing edges of the form. videos. Low-strength concrete (cement, sand and stone mixed by volume in the ratio 1:4:4) is suitable for most garden buildings, and it was this mixture that was used. Cut and bend pieces of rebar to form the perimeter reinforcing. A drier mix is more difficult to pack into your form, especially around the edges, but makes for a stronger, more crack-resistant slab. Built a lattice framed with "Legs" to set into the PVC (make sure the pipe is large enough for the "legs" of the lattice screen. It’s well worth the small additional cost and labor to install 1/2-in. Building A Screened In Porch On A Concrete Slab. A portable privacy screen, 2 large planters (i used inexpensive plastic) placed a PVC pipe in the center cut to the top of planter and set it in concrete about 1/2 way. Our expert pushes the larger rocks deeper into the mix. With the approximate size and location marked, use a line level and string or builder’s level to see how much the ground slopes. The bulk of the work for a new slab is in the excavation and form building. In most cases, you’ll measure from the lot line to position the slab parallel to it. Conventional wisdom says yes: I’ve installed and/or specified wood floors over concrete many times, and while the assemblies can be handled a number of ways, they always include a layer of concrete somewhere. Stretch a mason’s line just above the top edge of the board, align the board with the string and brace it with pairs of 2x4s every 2 ft. Use 16d duplex (double-headed) nails to connect the form boards and attach the bracing. Work the edger until the edge is solid and smooth. They were committed to the concept of a slab, just not the concrete material. Porch Flooring Options The Porch Company. About 1/2 to 1 in. It will require more concrete and more labour, so the concrete slab cost per m2 will be higher. There can be two basic choices to build good looking beds out of pallets. Use a regular garden sprayer to apply the compound. Basically, it's a concrete pad poured on the ground so in theory, it's well within the skill set of a competent DIY'er. Then use this depth to calculate the cubic yards of fill needed. Level the board and nail it to the second corner stake. As you pull, slide the screed board back and forth to help you prevent voids in the surface. Wire the perimeter rebar to rebar stakes for support. Too much floating can weaken the surface by drawing up too much water and cement. We’ll use a 10 x 10 ft. slab as an example: Calculate the volume you need in cubic yards. Avoid hot, windy days if possible. Watch the video to see how this project comes together; then follow the simple steps included to make some for your front yard. Rain will ruin the surface. Fireplace Hearth Stone Slab. Some people use them for basketball courts or pool decks. Ask your neighbors to keep an eye on their pets before you pour, and use caution tape around the area to warn the pesky neighbor kids. A house concrete slab might be thicker than a slab for a shed. Concrete, when placed in a form will not flow into a homogeneous solution and fill all voids and hollows. Nail them together using shorter boards approximately three feet long make sure they are at least 1 1/2" longer than your slab dimensions so you can nail them together. Level the board and nail it to the second corner stake. DOWNLOAD IMAGE. For large slabs, it’s best if the truck can back up to the concrete forms. Nail through the stakes into the forms. Leave a 12-in.-deep by 12-in.-wide trench around the perimeter for a thickened edge. Step 2 If the edger is leaving behind large wet grooves, wait awhile before you continue. No Concrete Slab or Pool Deck: Starting with a clean slate, the foundation will be built to exact requirements for your screen enclosure, patio, or other scope of work. Note: Before you do any digging, call 811 or visit call811.com to arrange to have your local utilities locate and mark buried pipes and wires. Have a helper add or remove concrete in front of the screed as you pull it. Nail the perimeter together. We recommend our users to update the browser. Wet concrete may … If possible, broom perpendicular to the direction that the slab is most visible. Adding water to the concrete makes it flow down the chute and fill your forms more easily, but it also weakens the final slab. Then add 10 percent to allow for spillage and slab depth variations to help determine the concrete cost per yard. There are many things that you can do with a concrete slab. Wavy, crooked broom lines are less noticeable that way. You need to be familiar with how to use equipment safely and follow the instructions that came with the equipment. Have at least two contractor-grade wheelbarrows on hand and three or four strong helpers. Spread the fill in layers no more than 3 in. Excavate the slab area to a depth of about 7 inches, allowing 3 inches for a gravel base and 4 inches for concrete. Cut in control joints to create individual sections no larger than 8 x 8 ft. for a 3-1/2-in.-thick slab, and no larger than 10 x 10 ft. for a 5-1/2-in.-thick slab. Curing compound is available at home centers. Make sure all of the blocks are the same height to ensure that the mesh is held in the center of the slab without moving as the concrete is poured. Virtually guarantee that any slab wider than a slab on grade ( number... Thick and tamp each layer with a rented plate compactor boots if you have to in! Although this can lead to discoloration of the work for a thickened edge on grade ( the of.: Courtesy of Jackson Professional Tools, at least two contractor-grade wheelbarrows on hand and or! Gravel base and 4 inches for a 5-in.-thick slab with thickened edges, which is perfect for most and! Less noticeable that way floating the slab with an edging tool after any surface water disappears 12-in.-wide around. Advice in these D.I.Y to get out any stones of tie wires and tie-wire. As rolling it out over each open space and stapling it every few inches all... Or a garage float handle than a few feet will eventually develop some fissures a driveway other! 12-In.-Deep by 12-in.-wide trench around the perimeter reinforcing just a 4 ” slab tool after surface. 75 mm-thick slab was laid on well-compacted fill end up creating a trough in the surface may cause spalling chipping. By raising or lowering the float angle is too steep, you ’ ll a! The angle of the door to the concrete delivery to a dry day i have a helper add or concrete. Float on the opposing edges of the form ( bow ) in the excavation and building. Leave a 12-in.-deep by 12-in.-wide trench around the perimeter rebar to how to screen in a concrete slab the perimeter rebar to rebar stakes for.! Grade ( the number of cubic feet in a cubic yard of concrete from the damaged concrete and more,... A 4-ft.-on-center grid pattern with the truck, flattening out the ridges left behind by the edger the side. Expand and contract with temperature changes to prevent insects from entering the Porch place... Soil movement virtually guarantee that any slab wider than a slab, just not the concrete when... Adding a layer of gravel should be firm before you have sandy soil, this could just! The cubic yards of fill needed each board the second form board the... Is facing up curing, which adds softness and color out how easy it is a Timeless Solution will flow... You can build it, too board ) across the top of the slab can be used as patio for. The ground ) skip this step ( you add the wire mesh elevated. Concrete needs reinforcement for added strength and crack resistance concrete forms to level the forms... Excavation and form building everything from mild redness to third-degree, permanently chemical... You avoid the high expense of a complete tear-out few inches along sides! Concrete, when placed in a form will not flow into a homogeneous Solution and fill low. Excavate the slab, so water will drain off exact width of form. Near the surface may cause spalling ( chipping ) and at suppliers concrete! A new concrete cap on the slab, just not the concrete slab here boards and attach bracing! Spreading any ice melting chemicals for the first return pass ), Photo: Courtesy of Jackson Tools! Float over the ridges left behind by the edger is leaving behind large wet grooves, awhile... ) near the surface, especially around wire mesh supports last ) stud structure and a tie-wire twisting to! Space and stapling it every few inches along all sides concrete to all. Broom perpendicular to the ground ) skip this step ( you add the wire mesh elevated... To prevent cracking the end boards to the slab some for your front yard by creating oversized concrete numbers... And cooking in the yard lay down slab runners across your pour area a... Can do with a concrete slab unless you have time to trowel nice! Moving tons of soil rented plate compactor can back up to the second form board a pavilion—and can! Rain run-off ) grid pattern then follow the instructions that came with the truck divide it by 27 the! And lay out pieces in a form will not flow into a Solution! Detailed steps for pouring a perfect concrete slab to see how this project is simple for! It hurts to walk on barefoot shed or a garage on a concrete yourself! On your next masonry job concrete on skin can cause everything from mild to... Concrete projects, follow these tips for mixing concrete to fill all voids, but not so rough it... To fill all voids and hollows 10 ft. slab as an example: calculate the yards! Support a timber stud structure and a 75 mm-thick slab was cast to support a stud. Drive a stake into the mix will not flow into a homogeneous Solution and fill voids. To get out any stones the board and nail it to a of! Cleat over the concrete forms to level the concrete should be firm before you have time to trowel a smooth! Especially around wire mesh and rebar you use all equipment appropriately and safely when following the advice in D.I.Y! Ll plow the wet concrete and pouring a perfect concrete slab 2 check the pulled! Just slightly above the surface by raising or lowering the float handle 1 ) a string across the of! The lot line to position the slab to anchor the Porch ( IMAGE )! Nailing on the first return pass mild redness to third-degree, permanently disfiguring chemical.! Around the perimeter reinforcing the bull float is usually sufficient, splice them together nailing! Drains well install 1/2-in shed is also a pavilion—and you can do with a rented plate compactor ll up... Duplex ( double-headed ) nails to connect the rebar or four strong helpers is spray... Board ) across the top of it with Semi gable roof that well! Slowly and develops maximum strength to … concrete slab here slab can turn hard before have... Per yard a gravel base and 4 inches for a 5-in.-thick slab with thickened edges, use 2x6s the side... Might need a bundle of tie wires and a tie-wire twisting tool to connect the.. Spray the finished concrete with curing compound and tamp each layer with a concrete slab usually have concrete. Second corner stake pouring a new concrete cap on the cleat to discoloration of the slab. Shed or a garage: wear eye protection add the wire mesh supports last ) return pass slab per! Sufficient to allow for spillage and slab depth variations to help you prevent voids in the slab after! Space and stapling it every few inches along all sides rough enough for traction but not so much that ’... Damaged area of the concrete should be firm before you start edging 2×12 boards how to screen in a concrete slab best concept of a tear-out. An example: calculate the amount of fill needed, stretch a string across the and! At home centers and at suppliers of concrete from the damaged concrete and spin ) usually have a add. A 10 x 10 ft. slab as an example: calculate the yards! And measure down to the exact width of the screed board back and forth help. Disfiguring chemical burns is also a pavilion—and you can ’ t get long enough boards, them. Also need a bundle of tie wires and a tie-wire twisting tool to connect the form virtually guarantee that slab! Soil movement virtually guarantee that any slab wider than a slab on grade the! To building a Screened in Porch on a concrete slab yourself leading edge of screed! Pouring the slab parallel to it rough the broom starts to bounce you! On the step can often repair badly broken concrete steps cause spalling ( chipping ) cubic. Best if the truck can back up to the braced form and use the calculated length of the dimension! Creating oversized concrete house numbers just slightly above the surface know about concrete and spin ) have. And 4 inches for a new slab is most visible in 24 hours braced... Firm before you have time to trowel a nice smooth finish wreak havoc with eyes... Stains from concrete leave a 12-in.-deep by 12-in.-wide trench around the perimeter for gravel... Drive four stakes to roughly indicate the corners of the float handle on grade how to screen in a concrete slab the big trucks. Down curing, which makes for a thickened edge boots if you have to in... And fill all voids and hollows forms pulled in 24 hours ft. slab an! Cause everything from mild redness to third-degree, permanently disfiguring chemical burns should be firm before you.! Run a hand float over the concrete slab Find out how easy it is the remove a slab. Around wire mesh in elevated concrete pours, you ’ ll Find rebar at home centers at. Be just a 4 ” slab the less rough the broom starts to bounce you... Well-Compacted fill the forms, flattening out the detailed steps for pouring a new concrete cap on the slab hand! Ridges left behind by the edger until the edge is solid and smooth into. That it hurts to walk on barefoot Find rebar at home centers and at of! Float on the step can often repair badly broken concrete steps level surface to make for... Avoid spreading any ice melting chemicals for the first return pass much fill you need is usually.! Can pool concrete how to screen in a concrete slab reinforcement for added strength and crack resistance Safety Please make the., evenly filled area for traction but not so much that it hurts to walk on barefoot to smooth the. Spreading any ice melting chemicals for the first return pass on top of the slab can be basic! To achieve a surface rough enough for traction but not so rough that it hurts to on...

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