This will give you something to attach the new plasterboard to. Get it as soon as Fri, Sep 9. Attach it at two points. Mr. HandyAndy - Really Mr. Handyandy, Apr 20, 2009 #7 Fit Paper-faced metal angle bead 5. 12. Chop out a large square of ceiling back to the joists on either side of the fan position/. 3. Start slowly from the ceiling side to get a clean edge. You will soon see the board split very neatly along the line of the cut and as you fold it backwards you will be able to see a crease developing along the line of the cut on the "complete" side of the board. After cutting apply pressure to either side of the cut or the back of the cut to snap the drywall. Go slow. 7033, 6 In. Lay a spirit level along the line and use a sharp Stanley-type knife to cut through the paper. For all your building materials and tool needs please visit www.tommysyard.comandy is working on an extension and plasterboards a ceiling using 8 x 4 sheets. Reciprocating Saw 2.3 3. 4.2 out of 5 stars 1,768. Once the insulated ceiling board is attached, strengthen the join by inserting plasterboard (drywall) screws on either side of the nails. I would cut 4 ft off a 12 ft piece to finish the first run. The vertical edges of the sheet should attach to studs. Doing anything else will be doomed to failure. 1/4-inch drywall is used for repairs and to support an existing wall. Artex Removal Method 3: Wet Plastering. Using the spray bottle of conditioner, spray 3-5 sprays into each hole to condition the lath. $29.97 $ 29. 1 and 2). Keep a rag handy because the conditioner will run out of the holes. For example, the width of this bathroom was 52 3/4 wide. 10 Jun 2014. Today I am going to show you #howto take down a #plasterboard ceiling. Cut a new piece of plasterboard the same size as the hole. The solution is to locate the studs surrounding the opening that you want to cut and screw temporary 1x3 braces to clamp down on the laths to prevent them from moving and breaking off the plaster keys. Select the right thickness of drywall; ceilings usually require 5/8 Inch drywall but sometimes Inch thick is used. Scribe a line on the main from the slot to give you that dimension. I've also had the same questions, however more to do with the mounting of the box in the ceiling. Lath-wood strips under plaster; lathe-tool for turning wood or metal. I'm fairly confident a plasterer can patch up the wall / ceiling junction to a good standard - although agree it will be more susceptible to cracking in the future. It helps if you go just deep enough to go through the plaster, about an inch or so wide, chip out the plaster & you will see the lath. 97. Lift the sheet. Set the drywall tile on a piece of plywood. If you are cutting horizontally stay between the lath. You can plaster a ceiling in the traditional way or you can short-cut it by applying plaster to existing drywall (as above). It's a lot easier if you can layout your lights so you do not hit a joist when you drill the hole. Then cut the paper on the back to separate the 2 pieces of drywall. The boards are screwed to the existing sheet rock to form a solid surface to screw the new sheetrock into. Take the laths outside and make a nice bonfire. Rondo's XPRESS Drywall Grid System cleverly merges with . Artex Removal Method 4: Using a Steamer. Plasterboard is cut to length by first marking then scoring a line on the face side of the board with a straight edge and Stanley knife. If only a small part of your ceiling is affected, you can make a simple repair with a plasterboard or drywall patch. Cut holes when you need: 6) Support the Plaster that is to be Removed. Use a power drill to make small holes in the drawn rectangle/square (use around 5-6 holes). How to Cut Drop Ceiling (Drywall) Tiles. Then, lift the sheet off the floor and snap the board along the score line. With a cut-out tool or drywall saw, trim any ends and edges that project into window or doorway openings flush with the face of the innermost studs. Leave about a 1/2-inch gap between the bottom of the panel and the floor. Something like this: RIDGID No. #9. When plasterboard was first introduced, the sheets were often just butted together and the whole ceiling . When you're fastening the drywall, make sure you don't put a . Once the area is clear, use a ruler or measuring tape to find the center of the room and mark it with a pencil or marker. Plasterboard can be cut using a utility or hobby knife, a normal hand saw or a board saw, also called a jab saw and often called a pad saw. larger than the fixture, stick the center point in the middle and rotate the cutter while forcing the wheel into the drywall surface. Go slow to minimize vibrations. Usually I only make vertical cuts and break out the pieces on the top and bottom of the upenings if necessary. Firstly, it's vital to remove any crack with a Stanely knife or spatula to gouge out any overlapping of the plaster sheets. The easiest way to cut awkward shapes in plasterboard is by using a hand saw. We cut and shape all our 3D elements off site for quick and easy fitting at your project site. Cover the perimeter with tape, then apply compound over the tape and smooth over. If there is a little patching to be done you can do that with some plaster. Leave around 1-2mm for skimming. Hold your tool at a 90-degree angle to the wall, and the reciprocating saw should glide through the drywall like a hot knife cutting butter. Temporarily attach the plywood to the joists with screws. FREE Shipping by Amazon. How to cut L shapes in plasterboard To cut L shapes, use a hand saw to cut the bottom of your L, then use the above score and snap method to cut your straight edge 1.2 Cutting Plaster the Right Way 2 The 3 Best Tools for Cutting Plaster 2.1 1. Among the varied ceiling products that Knauf distribute are Rondo's metal suspension products for suspended ceilings such as the primary and secondary supports, top fixings, hangers along with the panels/tiles or plasterboard to make up the ceiling surface. of cellulose in this attic, I put an extra screw in there just for my own protection. Standard plasterboard or sheetrock is generally in thickness. IMPORTANT: Asbestos and Artex. Square for drywall grid systems should be 51 " for the 24 method. Repeat the previous step and wait for it to dry. We will also delve into topics such as the necessary tools and safety equipment. The existing ceiling is plaster coated over gypsum lath board. Use clout nails to fix the insulated plasterboard to the ceiling. The level of thickness may depend on the type of room and even certain building codes. When you cut the plasterboard twice, you can cut rough. Press the angle bead into the wall-ceiling join Fig. A Fein multitool or similar works great for cutting holes in drywall. Cut the plaster first with diamond, change to wood blade for wood lath. 1. A good idea is to hire a mechanical plasterboard . Another useful technique is to make sure you're cutting the plasterboard sheet a little longer than is actually required, as this will allow you to cut off the excess later, while making sure you have adequate plasterboard to account for the curvature of the ceiling. As you prepare to make the cut, ensure that the saw blade is as thick as the combined plaster and lath. Hold a drywall square or T-square against the drywall where you need to cut it. On this particular ceiling, I put four screws into the face. Below, you can find out the best ways to complete the task. Turn off the electric for the light at the breaker box. let him do it. This will ensure that the cutting lines are perfectly straight and even. removing a plasterboard cieling is easy, and you don't need any specialist plastering . The Hole Pro adjustable hole cutters make a clean straight cutout hole in the plaster for the can light or ceiling speaker and with the straight edge the grill or trim rings will sit flush against the surface of the ceiling. #5: Spiral Saw or Rotozip Spiral saws are also referred to as Rotozips (even if they're not made by that company) since Rotozip owns so much of the market. It is better to cut the plasterboard by holding the T-Square firmly against the plasterboard. Carefully poke a screwdriver through the damages bits to find the joists. However, if using this method we recommend to use an older saw as this can dull the teeth very quickly. Then screw the panel to the framing. Therefore, I subtracted 1/4 to get 52 1/2. Using this technique, you can get an even transition which is . On larger ceilings where there will be more than one per run I often stagger the seams because this method results in less drywall waste. Then, cut through the sheetrock using a combination square with a bubble level. It will cut through the wood lath and the plaster. Bend the board the opposite way to the cut and then cut through the paper on the other side of the board. Wipe off the excess thoroughly and let the conditioner set for 10 minutes. to 16 in. Budget in for the damage and let the customer know beforehand. Cut away the damaged section of plasterboard in ceiling, to the nearest joist. Then repeat on the other side of the drywall and knock out the plug. Fixing the drywall ceiling with screws. To plaster a small ceiling, it should take 6-12 hours, for a medium ceiling, it will take around 8-12 hours while for a large ceiling, the job may take around 2-3 days . First, remove any existing molding or trim from the ceiling. 4. If you install 1/2" drywall, then you should use 1-1/4 drywall screws, as if you are installing 5/8" drywall a better option would be 6 x 1-5/8 screws. Screw a piece of 12.5mm plasterboard into the new square hole (you can cut the hole for the fan before putting it into place if you like). Step #3 Remove the Patch If you've cut all the way through the lath, the patch should fall right out as you make your last cut. Use a Drywall Screw Setter Bit to easily set drywall screws at the perfect depth. Be careful not to leave an uneven or jagged edge after cutting the board (Image credit: unknown) Cutting and bending plasterboard or drywall profiles creating any complex shape you need. Install the loose tee at the proper location and one more tee to straighten the main. Make a mixture of cornice cement plaster by . Available in tapered edge only. Pinpoint the Wire Construction professionals use scanners with radar technology to locate hidden wires. Today most projects will be finished with drywall and then 'skimmed' with a thin layer of plaster to create a totally smooth surface. Then, take the free end (the middle) of the rope and, if feasible, tie it off somewhere. If metal lath (probably not), keep diamond or carbide blade. If you hit air, simply go up, or down a 1/4" or so, and you should hit lath.Do this gently, so that you don't start cracking the plaster right away. Set the circle cutter to cut about 1/8 in. Erect a dust barrier from floor to ceiling using plastic sheeting and painter's tape to reduce drywall dust when cutting. In turn, this can help speed up your project and reduce funds and resources spent. Cut off the main at that location and install the main. Place them on the ceiling and nail them through the ceiling, directly into the roof joists. Tip 1 helps with the finishing. Optionally, take a sturdy rope, a 16-foot length (or longer), and attach it the back side of the assembly in some manner. Cut completely around the hole, and gently pull down the plaster around the hole. Thus, a standard utility knife should get the job done and you can use a drywall saw for cutting holes and curves. NOTE: To place ceiling sheets in position against joists requires a lift by at least two people. Cover the angle bead with a top coat of jointing compound 6. As you prepare to cut, make sure the saw blade is as thick as the plaster and lath combined. With the straight edge in place, gently draw the utility knife along the line. It may take a couple of rotations. Step 2 Condition the Lath. If you have access from above, you can vacuum more of the silt and debris. With the 48-inch drywall square, square the "T" end with the left side of the drywall. Step 3: Cutting Place a piece of plywood against the ceiling as a guide after drilling the first hole. Step 2: Spray conditioner into the holes. Step 1: Mark the Cutting Lines. Complete the score. I basically think of them as mini routers. It's vital to use paper tape since it will strengthen the join instead of a mesh tape that will gradually tear. 3/8-inch drywall used to be the common thickness used for interior . Typically, 12 in. Usually, like you said, you can deeply score the . Leave two to three feet of slack. Next, square up on the right side. Clamp the main and check for square. #2. Pull a utility knife along the side of the square to cut through the paper facing of the sheet. Feed the lighting wires through a hole in the side of the light fixture's electrical box . Apply adhesive to the studs to prevent popping nail heads. You don't have to press too hard, just enough to cut through the paper on the face of the drywall. Score the front side and cut away the paper backing. These tools don't disturb the cornice at all, but it is messy and difficult work. Artex Removal Method 5: Applying Eco Solution's X-TEX. on center is plenty, but because I put about 15 in. Drop ceiling tiles with no acoustic purposes are basically drywall in vinyl coating. 'It's a good idea to take off the old plaster before you buy the plasterboard to make a repair patch. Mix the jointing compound in a bucket and spread it on the wall-ceiling joint with a filling knife, covering just beyond where the angle bead will fit. We actually cut through the ceiling/lath using a Fein multi tool (the Bosch Multitool is a cheaper version and useful for all sorts of things!). They're also affordable and create little to no dust. These tools are durable, lightweight, easy to use and ergonomically designed. Artex Removal Method 2: Covering with Plasterboard. Plasterboard is also used to renew ceilings, add interest to a room by making bays for shelving, wardrobes or work areas. Tip 3 helps you cut drywall to the right size. Bi-Metal Hole Saw - 7033 at The Home Depot you'll also need the center bit that this mounts on. Screw the plywood to the joists to keep it in place. Today's cutting out drywall ceiling from roof leak step by step video will show how to properley cut out a water damaged drywall ceiling and the basic drywal. That way you can cut the plaster without damaging the joists. Plunge Cuts The fold will be obvious from the punching-through action. Cut the insulated plasterboard to fit. Make sure to cut through the paper or deeper to break the board with clean, straight lines. Align one edge of a drywall T-square with both marks. Affix new plasterboard to ceiling joists. Always cut with a fine blade. The most prevalent size for drywall panels is 4 feet wide by 8 feet long. Cut out the damaged area of plaster, then use drywall to patch it, securing it in place with drywall screws. For this section, we will look at how you can cut plasterboard. The plasterboard itself is made by grinding Gypsum rock. 6 Drive temporary nails or screws through a small plasterboard off-cut, mid way between the sheet centreline and edges, to hold sheets tight against joists while the adhesive dries (up to 48 hours). FAST EASY CLEAN CUTTING - HLOFIZI 4-3/8 Hole Saw for Recessed Lights allows for smooth cut hole in ceiling plaster and dry wall. First cut the plaster and remove the plug. Now, use a hammer to crack the blocks of material between each cut (you should get six cracks). Second cut the lath using the hole in the plaster as a guide. Next, use paper tape and cut it to length to cover the join. Step 3 - Cutting After you have drilled the first hole, put a piece of plywood against the ceiling as a guide. 6. Since I don't want to demo the whole ceiling, I'm planning on cutting a straight line into the ceiling, and then I'll install new 5/8" dryawall butting up to the part I cut out. The bits are expensive but worth it. Afterwards, continue fastening the drywall with screws, using an electric screwdriver. Should work. The key is to cut through the paper. Lay down a drop cloth under the cutting area that will be rolled up and discarded after the project is completed. Lining a ceiling with plasterboard is far quicker, and requires less skill, than using lath and plaster techniques. Obtain a drywall square or T-square, which looks like a large metal ruler with a T at the top, and place it against the drywall. Still usually a little damage. Remove plasterboard half way across existing ceiling joist to allow for new plasterboard to be screwed with drywall screws, and timber support for new fan to be fitted to existing ceiling joists. . tph1, Nov 17, 2006. Press directly behind the cut . Sep 22, 2014 I suspect a framing member is right above the lath. Plasterboard rasp When the line is cut, stand the board up and bend or fold it away from the cut. For example, the length of drywall I needed was 45 5/8 inches. Snap Drywall From Behind Place the sheet of drywall on one of its short ends. Position a 2'- 4' level (or other straight edge) along the line you'd like to cut. 4. Lets say a ceiling is 28 ft long and I am using 12 ft drywall on that ceiling. STEP 4 Fasten the plasterboard with a few screws, and then press the cut-out over the power point. You'll be able to cut the plaster without damaging the joists this way. More Buying Choices $27.87 (19 used & new offers) Amazon's Choice for Ceiling Tile Cutter. Know that the tip to a fine cut is measured twice and cut once. How to Cut Plasterboard. mind the nails/screws Oh, AND any electrical cables as someone else said above. You should now have a very neat cut board. Climb into the attic to access the wiring. Cut holes for the boxes with a rotary cut-off tool, then drive any remaining screws. A little research can often get a height above floor distance that will let you cut out 1 full lath piece and 2 partials which leaves these soft walls with the best support. Artex Removal Method 1: Scrape and Sand. Lean the sheet of drywall up against a wall at a slight angle of about 45 degrees so you will be cutting it vertically. Decide where the hole will be cut, then outline it onto the ceiling. You remove plasterboard until you find joists. Drywall Utility Knives The simplest and most common way to cut drywall is by using a utility knife. 2.Cut your plasterboard to fit. Tip 2 helps with fitting the drywall against the joists. Cutting from the reverse side of the plasterboard sheet, slice off the flap using a utility knife by following the fold in the paper. Klein Tools 53731 Hole Saw, Adjustable Saw Cutter with Dust Shield for Cutting Drywall and Ceiling Tile for Recessed Lights. Next, use a cordless drill to remove any light fixtures or other obstacles. The plasterboard is simply cut to size, lifted into place against the underside of the ceiling joists and nailed in place. Rather than purchasing and cutting your own sheets, we can instead cut them for you in our facilities using high quality machines with pinpoint accuracy. 1.Strip back the damaged plasterboard to expose the timbers then de nail or screws.Make sure when you strip back, to only strip to the nearest timber so that the plasterboard thats remaining is still secured to the timbers but make sure you leave enough of the timber exposed to fix your new plasterboard. At V-Cut we create and supply plasterboard strips for a wide range of bespoke tenders and projects. The butted seams can be all aligned or can be staggered. Once the lift is out of the way, I fasten the center. From baffles and grilles, to curved plasterboard ceiling bulkheads and wall recesses, we can make any unique design that you need. You have to fold the board to separate it from the whole piece for complete cutting. Removing a lath and plaster ceiling is a three stage process . Start making deep cuts between each corner hole (you should get six cuts). With your utility knife, score a line as far as you can. When you're cutting a drywall panel prior to installationor when patching a damaged sectionyour best bet is to use a utility knife in combination with a 48-inch drywall square ( view . There really should be no patching to speak of though. Place your hand near the hole to gently support the plaster while you vacuum using the other hand. Make sure to finish the cuts all the way to the end so that all the lines connect. By cutting the plasterboard down, I can introduce the foil backed ceiling plasterboard (vapour barrier) from wall to wall, and also re-arrange insulation. There are three main types of drywall cutting tools: a utility knife, jab saw and drywall circle cutter. Draw the utility knife repeatedly through the groove you scored in the previous step. Timbers fitted around edges of opening. However, oftentimes contractors will place multiple layers of the stuff in the ceiling, so it's thinner than it might appear at first. Then, using your circular saw (or scoring knife), cut your first plasterboard sheet in . Using either the angle grinder or multi-tool cut along your line. Gently tap around the edges to shake down the dust and debris. The look will be similar. When installing the new drywall pieces, I put some 6-12" long 1/2" pine boards on each end of the hole. Rectangular Cuts To make rectangular cuts in drywall using a jigsaw, you must first mark the cutting lines with a pencil. 5. Continuous rim for clean cut without chips or cracking the plaster ; PERFECT HOLE SIZE - Solid welded construction helps provide accurately sized holes for recessed lighting, leaves just enough space that 4" can light . It's thin enough to curve and bend as needed. Do not push the plaster back up into place, however; the void will allow the vacuum to pull some of the debris out through the hole. Use a damp cloth and run it over the filler, pushing it further into the crack. Drywall Suspension Systems. Round boxes Put the first sheet in place and drive in some nails to hold it. Use a caulking gun and an appropriate filler and squeeze the filler into the crack. Angle Grinder with Diamond Blade 2.2 2. Finally you run the knife down the other side of the board, cutting the back of the plasterboard backing sheet. In the UK, the thickness of plasterboard is measured in millimeters and the typical thickness is 9.5mm to 12.5mm. Preparing the Room for Artex Removal. Make inside and outside corners. Carbide Drill Bit 3 Buyer's Guide - Choosing the Best Tools for Cutting Plaster 3.1 Recommendations 4 Conclusion A test cut shows that the gypsum base is about 5/16" thick and the plaster topcoat is about 5/16" thick. Finally, skim over the crack with a filler mixture and wait for it to dry. Cutting across the joists could be starting with a hole and cut with a padsaw along 3", then a handsaw in the rest of the space, saw upside down at the joist, cutting enough to get your saw into the next gap etc. Be sure to cut all the way through the wood lath behind. Make sure that it is firmly squared.