#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. Rectangular Cuts To make rectangular cuts in drywall using a jigsaw, you must first mark the cutting lines with a pencil. 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. Cover the angle bead with a top coat of jointing compound 6. Cut the insulated plasterboard to fit. Screw the plywood to the joists to keep it in place. Cut the plaster first with diamond, change to wood blade for wood lath. For example, the length of drywall I needed was 45 5/8 inches. Then, take the free end (the middle) of the rope and, if feasible, tie it off somewhere. Preparing the Room for Artex Removal. Reciprocating Saw 2.3 3. let him do it. Install the loose tee at the proper location and one more tee to straighten the main. Select the right thickness of drywall; ceilings usually require 5/8 Inch drywall but sometimes Inch thick is used. On this particular ceiling, I put four screws into the face. Lean the sheet of drywall up against a wall at a slight angle of about 45 degrees so you will be cutting it vertically. Available in tapered edge only. Step 1: Mark the Cutting Lines. Cut off the main at that location and install the main. 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. Typically, 12 in. Align one edge of a drywall T-square with both marks. Today I am going to show you #howto take down a #plasterboard ceiling. Place them on the ceiling and nail them through the ceiling, directly into the roof joists. The key is to cut through the paper. Place your hand near the hole to gently support the plaster while you vacuum using the other hand. Optionally, take a sturdy rope, a 16-foot length (or longer), and attach it the back side of the assembly in some manner. on center is plenty, but because I put about 15 in. Drywall Utility Knives The simplest and most common way to cut drywall is by using a utility knife. Make inside and outside corners. 3/8-inch drywall used to be the common thickness used for interior . 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. The vertical edges of the sheet should attach to studs. Go slow to minimize vibrations. Drywall Suspension Systems. Complete the score. 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. 97. #2. Artex Removal Method 5: Applying Eco Solution's X-TEX. Then, cut through the sheetrock using a combination square with a bubble level. $29.97 $ 29. 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. STEP 4 Fasten the plasterboard with a few screws, and then press the cut-out over the power point. Something like this: RIDGID No. Step 3: Cutting Place a piece of plywood against the ceiling as a guide after drilling the first hole. 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!). Tip 1 helps with the finishing. 1. However, oftentimes contractors will place multiple layers of the stuff in the ceiling, so it's thinner than it might appear at first. 2.Cut your plasterboard to fit. IMPORTANT: Asbestos and Artex. 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. Scribe a line on the main from the slot to give you that dimension. Affix new plasterboard to ceiling joists. Once the lift is out of the way, I fasten the center. 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. Cut a new piece of plasterboard the same size as the hole. 4.2 out of 5 stars 1,768. However, if using this method we recommend to use an older saw as this can dull the teeth very quickly. We cut and shape all our 3D elements off site for quick and easy fitting at your project site. 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. Cutting and bending plasterboard or drywall profiles creating any complex shape you need. It is better to cut the plasterboard by holding the T-Square firmly against the plasterboard. We will also delve into topics such as the necessary tools and safety equipment. From baffles and grilles, to curved plasterboard ceiling bulkheads and wall recesses, we can make any unique design that you need. Leave about a 1/2-inch gap between the bottom of the panel and the floor. The plasterboard itself is made by grinding Gypsum rock. Put the first sheet in place and drive in some nails to hold it. 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 . A good idea is to hire a mechanical plasterboard . For this section, we will look at how you can cut plasterboard. How to Cut Plasterboard. Thus, a standard utility knife should get the job done and you can use a drywall saw for cutting holes and curves. Use a damp cloth and run it over the filler, pushing it further into the crack. Cover the perimeter with tape, then apply compound over the tape and smooth over. Climb into the attic to access the wiring. In the UK, the thickness of plasterboard is measured in millimeters and the typical thickness is 9.5mm to 12.5mm. Draw the utility knife repeatedly through the groove you scored in the previous step. Now, use a hammer to crack the blocks of material between each cut (you should get six cracks). Cutting from the reverse side of the plasterboard sheet, slice off the flap using a utility knife by following the fold in the paper. The fold will be obvious from the punching-through action. Next, use paper tape and cut it to length to cover the join. Angle Grinder with Diamond Blade 2.2 2. The easiest way to cut awkward shapes in plasterboard is by using a hand saw. 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. Leave around 1-2mm for skimming. removing a plasterboard cieling is easy, and you don't need any specialist plastering . When you cut the plasterboard twice, you can cut rough. 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. of cellulose in this attic, I put an extra screw in there just for my own protection. 5. After cutting apply pressure to either side of the cut or the back of the cut to snap the drywall. You have to fold the board to separate it from the whole piece for complete cutting. Make a mixture of cornice cement plaster by . If metal lath (probably not), keep diamond or carbide blade. Artex Removal Method 3: Wet Plastering. More Buying Choices $27.87 (19 used & new offers) Amazon's Choice for Ceiling Tile Cutter. Use a power drill to make small holes in the drawn rectangle/square (use around 5-6 holes). Tip 2 helps with fitting the drywall against the joists. Position a 2'- 4' level (or other straight edge) along the line you'd like to cut. Next, use a cordless drill to remove any light fixtures or other obstacles. 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). Attach it at two points. It's vital to use paper tape since it will strengthen the join instead of a mesh tape that will gradually tear. How to Cut Drop Ceiling (Drywall) Tiles. Using the spray bottle of conditioner, spray 3-5 sprays into each hole to condition the lath. Then, using your circular saw (or scoring knife), cut your first plasterboard sheet in . Make sure to finish the cuts all the way to the end so that all the lines connect. Step 2 Condition the Lath. Use a Drywall Screw Setter Bit to easily set drywall screws at the perfect depth. If you have access from above, you can vacuum more of the silt and debris. First cut the plaster and remove the plug. Make sure that it is firmly squared. Chop out a large square of ceiling back to the joists on either side of the fan position/. Artex Removal Method 2: Covering with Plasterboard. Lay a spirit level along the line and use a sharp Stanley-type knife to cut through the paper. 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. Square for drywall grid systems should be 51 " for the 24 method. 10 Jun 2014. The existing ceiling is plaster coated over gypsum lath board. The most prevalent size for drywall panels is 4 feet wide by 8 feet long. The boards are screwed to the existing sheet rock to form a solid surface to screw the new sheetrock into. Usually, like you said, you can deeply score the . Lay down a drop cloth under the cutting area that will be rolled up and discarded after the project is completed. By cutting the plasterboard down, I can introduce the foil backed ceiling plasterboard (vapour barrier) from wall to wall, and also re-arrange insulation. Mr. HandyAndy - Really Mr. Handyandy, Apr 20, 2009 #7 First, remove any existing molding or trim from the ceiling. Turn off the electric for the light at the breaker box. Today most projects will be finished with drywall and then 'skimmed' with a thin layer of plaster to create a totally smooth surface. 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 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). When plasterboard was first introduced, the sheets were often just butted together and the whole ceiling . Hold a drywall square or T-square against the drywall where you need to cut it. 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. As you prepare to make the cut, ensure that the saw blade is as thick as the combined plaster and lath. Using this technique, you can get an even transition which is . 6) Support the Plaster that is to be Removed. The level of thickness may depend on the type of room and even certain building codes. 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. There really should be no patching to speak of though. Lining a ceiling with plasterboard is far quicker, and requires less skill, than using lath and plaster techniques. Artex Removal Method 4: Using a Steamer. FAST EASY CLEAN CUTTING - HLOFIZI 4-3/8 Hole Saw for Recessed Lights allows for smooth cut hole in ceiling plaster and dry wall. 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. These tools don't disturb the cornice at all, but it is messy and difficult work. Budget in for the damage and let the customer know beforehand. 7033, 6 In. Removing a lath and plaster ceiling is a three stage process . Clamp the main and check for square. At V-Cut we create and supply plasterboard strips for a wide range of bespoke tenders and projects. Pinpoint the Wire Construction professionals use scanners with radar technology to locate hidden wires. Timbers fitted around edges of opening. Make sure to cut through the paper or deeper to break the board with clean, straight lines. A Fein multitool or similar works great for cutting holes in drywall. You'll be able to cut the plaster without damaging the joists this way. 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. Lets say a ceiling is 28 ft long and I am using 12 ft drywall on that ceiling. Feed the lighting wires through a hole in the side of the light fixture's electrical box . Leave two to three feet of slack. With the straight edge in place, gently draw the utility knife along the line. 1/4-inch drywall is used for repairs and to support an existing wall. Finally you run the knife down the other side of the board, cutting the back of the plasterboard backing sheet. That way you can cut the plaster without damaging the joists. Repeat the previous step and wait for it to dry. I've also had the same questions, however more to do with the mounting of the box in the ceiling. Standard plasterboard or sheetrock is generally in thickness. 4. The look will be similar. Get it as soon as Fri, Sep 9. Press directly behind the cut . Set the drywall tile on a piece of plywood. A test cut shows that the gypsum base is about 5/16" thick and the plaster topcoat is about 5/16" thick. 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 . In turn, this can help speed up your project and reduce funds and resources spent. Sep 22, 2014 I suspect a framing member is right above the lath. It's thin enough to curve and bend as needed. Cut holes when you need: If there is a little patching to be done you can do that with some plaster. 3. Apply adhesive to the studs to prevent popping nail heads. With the 48-inch drywall square, square the "T" end with the left side of the drywall. Klein Tools 53731 Hole Saw, Adjustable Saw Cutter with Dust Shield for Cutting Drywall and Ceiling Tile for Recessed Lights. Lath-wood strips under plaster; lathe-tool for turning wood or metal. 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. The plasterboard is simply cut to size, lifted into place against the underside of the ceiling joists and nailed in place. 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. Temporarily attach the plywood to the joists with screws. Doing anything else will be doomed to failure. Erect a dust barrier from floor to ceiling using plastic sheeting and painter's tape to reduce drywall dust when cutting. It's a lot easier if you can layout your lights so you do not hit a joist when you drill the hole. You remove plasterboard until you find joists. Plunge Cuts This will ensure that the cutting lines are perfectly straight and even. Then repeat on the other side of the drywall and knock out the plug. They're also affordable and create little to no dust. 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. Be careful not to leave an uneven or jagged edge after cutting the board (Image credit: unknown) Plasterboard rasp When the line is cut, stand the board up and bend or fold it away from the cut. There are three main types of drywall cutting tools: a utility knife, jab saw and drywall circle cutter. With your utility knife, score a line as far as you can. to 16 in. Fixing the drywall ceiling with screws. I basically think of them as mini routers. Cut completely around the hole, and gently pull down the plaster around the hole. 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. Carefully poke a screwdriver through the damages bits to find the joists. 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. As you prepare to cut, make sure the saw blade is as thick as the plaster and lath combined. Step 2: Spray conditioner into the holes. Start making deep cuts between each corner hole (you should get six cuts). 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. 4. The bits are expensive but worth it. 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. It will cut through the wood lath and the plaster. Then, lift the sheet off the floor and snap the board along the score line. Cut away the damaged section of plasterboard in ceiling, to the nearest joist. 12. Start slowly from the ceiling side to get a clean edge. 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. This will give you something to attach the new plasterboard to. larger than the fixture, stick the center point in the middle and rotate the cutter while forcing the wheel into the drywall surface. The butted seams can be all aligned or can be staggered. Wipe off the excess thoroughly and let the conditioner set for 10 minutes. 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. Firstly, it's vital to remove any crack with a Stanely knife or spatula to gouge out any overlapping of the plaster sheets. I would cut 4 ft off a 12 ft piece to finish the first run. Then screw the panel to the framing. Pull a utility knife along the side of the square to cut through the paper facing of the sheet. 1.2 Cutting Plaster the Right Way 2 The 3 Best Tools for Cutting Plaster 2.1 1. 6. If only a small part of your ceiling is affected, you can make a simple repair with a plasterboard or drywall patch. Step 3 - Cutting After you have drilled the first hole, put a piece of plywood against the ceiling as a guide. You can plaster a ceiling in the traditional way or you can short-cut it by applying plaster to existing drywall (as above). Take the laths outside and make a nice bonfire. FREE Shipping by Amazon. Press the angle bead into the wall-ceiling join Fig. Carbide Drill Bit 3 Buyer's Guide - Choosing the Best Tools for Cutting Plaster 3.1 Recommendations 4 Conclusion Next, square up on the right side. Gently tap around the edges to shake down the dust and debris. Artex Removal Method 1: Scrape and Sand. 1 and 2). Then cut the paper on the back to separate the 2 pieces of drywall. These tools are durable, lightweight, easy to use and ergonomically designed. Score the front side and cut away the paper backing. Use clout nails to fix the insulated plasterboard to the ceiling. Fit Paper-faced metal angle bead 5. Below, you can find out the best ways to complete the task. Cut out the damaged area of plaster, then use drywall to patch it, securing it in place with drywall screws. 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 . If you are cutting horizontally stay between the lath. 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. Tip 3 helps you cut drywall to the right size. NOTE: To place ceiling sheets in position against joists requires a lift by at least two people. Cut holes for the boxes with a rotary cut-off tool, then drive any remaining screws. Drop ceiling tiles with no acoustic purposes are basically drywall in vinyl coating. Second cut the lath using the hole in the plaster as a guide. When installing the new drywall pieces, I put some 6-12" long 1/2" pine boards on each end of the hole. Use a caulking gun and an appropriate filler and squeeze the filler into the crack. Be sure to cut all the way through the wood lath behind. Go slow. Afterwards, continue fastening the drywall with screws, using an electric screwdriver. Snap Drywall From Behind Place the sheet of drywall on one of its short ends. Using either the angle grinder or multi-tool cut along your line. . Therefore, I subtracted 1/4 to get 52 1/2. 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. Know that the tip to a fine cut is measured twice and cut once. Plasterboard is also used to renew ceilings, add interest to a room by making bays for shelving, wardrobes or work areas. Lift the sheet. Should work. tph1, Nov 17, 2006. 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.