drywall screw spacing

Screw the drywall in place. Make sure you have enough drywall to cover everything, including extra if you have to cut some or make mistakes. The screw pattern on the ceiling is 12” on center for framing spaced 16” or 24” on center. Some builders like to space fasteners tighter than that, so they go down to 12 inches. (R702.3.5) Water-resistant Gypsum Backing Board Then, multiply the number of sheets by 32 (the number of screws needed per sheet). The Ontario Building Code | Spacing of Screws 9.29.5.9. If you are using 1/2-inch-thick drywall, use 1 1/2-inch-long screws or nails; for 3/4-inch-thick drywall, use a 1 3/8-inch screws. Place screws eight inches apart on edges and ceiling edges, and no more than 12 inches apart on the ceiling field. It is everything but the edges. Both the International Residential Code (IRC) and USG, the manufacturer of Sheetrock, say that maximum field screw spacing for wall drywall is 16 inches. With the right research, hanging drywall can be easy. Particleboard is a modified wood product and is a good choice for some projects. Screws in wall edges should be spaced about eight inches apart. More Than What You Think! On wall edges, you want to create a smooth seam for easing taping and mudding. When using a 48 inch wide sheet of drywall, this means you will have two screws on each stud, one at each edges of the sheet of drywall, and one screw every other stud in the middle of the sheet. With drywall, it means a variation or protrusion between the panels. Go across the room and drill and fasten the strips at each joist. However, the spacing changes when hanging drywall edges and ceilings. The truth is, there are different answers for every type of drywall and how far apart the screws need to be on the wall from differing opinions to building codes. When placing the drywall, make sure the end of the piece sits in a joist or stud center. Drywall screws should typically be placed about 12 to 16 inches apart. Drywall screws are not expensive, and as such, there is no real maximum you should use. approx. I’ve never used this or felt a need for it but there may be certain situations where it would be beneficial: Drywall screws are the most secure and efficient way to hang the drywall. It looks like a standard drill. I am doing my own drywalling in my basement without renting a machine, because I am far from a rental center and they charge $200 for delivery. Get daily tips and tricks for making your best home. You’ll typically use about 32 screws per 4x8 foot drywall sheet (four screws in the middle and six on each of the two sides). Most city inspection guidelines require a screw every 8 inches in the "field" (area inside the perimeter of sheet) in rows spaced 16 inch... Jan 17, 2020 Spacing of Screws (1) For single-layer application on a ceiling, screws shall be spaced not more than 300 mm o.c. Make sure you have the following tools: Before starting your project, check if your state or local municipality requires licensed contractors or a permit to hang the drywall. After installing the first nail, a second needs to be placed about two inches from it to keep the drywall in place and prevent it from popping. 4 For more information, call 877 276-7876 MAIN BEAMS COMPONENTS Load Test Data (Lbs/LF) Item Number Length Face Dimension Profile Some builders like to space fasteners tighter than that, so they go down to 12 inches. When Adhesive Is Involved, Reduce Placement, Drywall Screws: What to Know Before You Buy, What Is Behind Drywall: Guide to Wall Studs and Framing, Tongue-and-Groove Pine Wood vs. Drywall Ceiling, How to Cut Drywall To Run Electrical Wires, How to Hang a Decorative Shelf Using Wall Anchors. If you miss, remove the screw and insert another one. How to Seal Particleboard for Your DIY Projects. Using a drywall bit, drill the screws in place and into the drywall to mud it. A: Fastener spacing for installing gypsum panels depends on the particular drywall application and fastener type. screw-attached gypsum board panels may be installed in accordance with ASTM C1858 and ... • Cross tee spacing: 24" O.C. Cut a piece of drywall to fit between the corner and the piece you just hung. Both the International Residential Code (IRC) and USG, the manufacturer of Sheetrock, say that maximum field screw spacing for wall drywall is 16 inches. Other pros think that lining up field screws in rows is structurally better because it mimics the effect of having a framing member in that position. The field is considered a more stable area. Instead of using adhesive as a replacement for screws, consider using it to reinforce the drywall screws. For ceiling systems, the screws are located at 230mm centres within the field of the board and 150mm centres at board ends. To make things even more confusing, official prescriptions from drywall manufacturers and local building codes sometimes run counter to advice from people who work with drywall on a daily basis. A huge timesaver for big jobs. What’s really cool is when you combine it with a magazine attachment (link to Amazon) that allows the tool to auto-feed the screws. Each sheet of drywall should be hung with a screw about every 12 inches. Introducing adhesive between the studs and the drywall sheets—common practice in the building trades—further affects screw placement, reducing the overall quantity needed per sheet of drywall. The main purpose for drywall screws is securing full sheets of drywall (usually 4-foot by 8-foot for do-it-yourselfers) or partial sheets of drywall to either wood or metal studs. Also, contrary to advice, I am doing the ceiling last, because I need to leave it open for future utilities. While nails and adhesive are sufficient, they can cause some issues in the future. Screw distances, for the most part, determine the pattern. Start screwing the drywall to the wall studs (Image 4), sinking each screw below the surface of the drywall, spacing the screws 12 to 16 inches apart. While there is no set standard and the exact spacing can vary depending on who you ask, there are some general guidelines to follow. coarse-thread drywall screws to attach 3/8-in., 1/2-in. Try to space the screws along the drywall’s edges tightly, but not too close that the edges will crumble. This reduces the possibility of having two crumbled drywall edges in the same spot. What Is Cement Backer Board and How Is It Used? Along the sides of the panel, keep the screws at least 1/2 inch away from the edge. for 5/8" drywall 16" O.C. If possible, use … Attempting to remove adhesive will damage the drywall, rendering it useless. There is no single, right answer for all situations. Commonly Missed Areas During a Drywall Inspection. Both IRC and USG recommend that ceiling field spacing should be no greater than 12 inches apart. Some locations don’t have any regulations. Always wear a dust mask when sanding. The goal of this website is to share with you all of the helpful tips and solutions that I have found so that you can ensure an energy efficient home for you and your family. on ceiling supports. In general terms for partitions, screws are located at 300mm centres (200mm centres at external angles). Nails tend to pop out, and you need to use a lot to keep everything in place. Use fine-thread screws to attach drywall to steel studs. They’re necessary to use when hanging drywall to metal. Always make sure that screws are spaced equally down a line. When one panel protrudes farther than its neighbor, the finishing process becomes difficult to do correctly when the panel joints are butted together. It would be best to have an assorted collection of theses screws since you may never know when you’d need them. 4 years ago. Drywall screws should be placed 12 to 16 inches apart, but the distance can vary. For example, a type G screw should be used for attaching gypsum to gypsum and type W screws are for gypsum to wood framing. I share my hard-learned lessons so that you can save time and money by not repeating my mistakes. Be cautious not to drill the screw through the drywall! If the panels don’t match up, it could spell trouble for smoothing out the mud. Where the panels meet, cut a V-groove with your utility knife (see inset); this will make hiding the joint easier when you're taping. In practical terms this translates to about 7-8 nails or 5 screws on each stud when hanging 48 inch sheets perpendicular to the studs. PANEL 1 Illustrations for Booklet on: This guide covers the general consensus about drywall screw spacing and the number of screws per 1/2-inch drywall on framing members that are 16 inches on-center. In addition, you need to use a special drywall screw tool (link to Amazon). It requires more screws because of the gravitational stress put on the wall. Immediately after mudding, tape the drywall joints across mudded seams. You can hang drywall with nails, screws, or adhesive. Screws should be used every 24 inches in the field of a sheet of drywall to tack the sheet in place while the drywall adhesive dries. Repeat the mudding the next day to ensure the smoothest finish. screw-attached gypsum board panels may be installed in accordance with ASTM C1858 ... • Cross tee spacing: 24" O.C. Because drywall is so thick and difficult to pierce, nails specific for drywall hanging have a large head with barbed spirals around the neck. It is your choice as to whether you stagger them or keep them running even with each other. On the ceiling field, they can be spaced approximately 12 inches apart, but no more. Screws are the most secure and efficient way to hang drywall. This total is comprised of four screws on the five middle studs and six screws on each of the two sides. This gives you 1″ to screw into the joist. Fastener spacing table for single-layer gypsum wallboard: CRC table R702.3.5 GYPSUM WALLBOARD THICKNESS DIRECTION OF FRAMING MAXIMUM FRAMING MEMBER SPACING MAXIMUM NAIL SPACING MAXIMUM SCREW SPACING ½” vertical 16 8 16 ½” horizontal 16 7 12 ½” vertical 24 7 12 ½” horizontal 24 8 12 5/8” vertical 16 8 16 5/8” horizontal 16 7 12 Lee has over two decades of hands-on experience remodeling, fixing, and improving homes, and has been providing home improvement advice for over 12 years. Gauge refers to the diameter of the drywall screw . Everyone has their own opinion, and each of these opinions might be, in their own way, correct. So the cure is usually to tightly space screws along the edges. Lippage is a tiling term that refers to the annoying trip hazard when one tile edge is higher than an adjoining tile. The number of screws you’ll need depends on how much surface you plan on covering. As a homeowner, I am constantly experimenting with making the structure of my house more energy-efficient, eliminating pests, and taking on DIY home improvement projects. However, for edge screws, you may wish to try to set up your distances so that screws on adjoining panels are staggered on a shared stud. Drywall Screw Spacing and don't leave "Clickers" !! You will only need to check the sheetrock nail spacing on the butt joints and the edges of your panels if drywall construction adhesive was used in the hanging stage. Use a six-inch knife to smooth out the mud and fill the crease. You can correspond now by mail THE DRYWALL DOCTOR P.O. The drywall ends break over the framing. Product recommendations not personally owned are based on the author’s knowledge of the company, product, reliability, and reputation. Over the past two decades, my family has rehabbed houses and contracted new home builds and I've learned a lot along the way. Here is an example of a drywall screw with a fine thread: Gray Phosphate Drywall Screws: #6 x 1-5/8” (5 lbs. Conclusion. If you want to start an argument with a group of drywall pros, just ask about screw spacing. In a sense, yes. Put a small amount of mud onto a mud knife and cover the screws. However, keep in mind that if you ever want to remove the drywall in the future, you will need to replace it entirely. While finishing can fix the occasional chipped or gouged edge, you want the hanging process to be as perfect as possible in order to reduce those post-process fixes. When screwing drywall into wall studs set 16 inches on center, professionals recommend 16 inches of space between the screws. Introducing "One Thing": A New Video Series. A good starting point is installing drywall screws at the top and the bottom of the drywall with two inches of clearance. Use a tape measure and measure down from the top screw and put a mark at about every 8 inches until you reach the final screw. Place screws eight inches apart on edges and ceiling edges, and no more than 12 inches apart on the ceiling field. When it comes down to the refrigerator system, the refrigerator evaporator plays a big role in refrigerator cooling. You may also use fewer screws when adding adhesive, spacing them at a farther distance. But that is only part of the story. However, you have to take care to make sure that moisture doesn't destroy it. You may need to use more screws. Before mudding, ensure that each screw is placed beneath the drywall surface. Spacing screws too closely on the edges can cause the edges to crumble. 4 For more information, call 877 276-7876 MAIN BEAMS COMPONENTS Load Test Data (Lbs/LF) Item Number Length Face Dimension Profile Drywall screws stay in place more efficiently, meaning you don’t need to use as many. Drywall screws are the most secure way to attach drywall because they won’t come out as easily as nails or rip off like adhesive. You’ll need a lot of nails if you’re using them to hang the drywall. a drywall rasp or sandpaper wrapped around a block of wood such as a piece of 2" x 4" lumber. If you’re hanging drywall on the ceiling, measure it out, then cut the drywall to the exact size. Field screws do not benefit by being staggered. Picture of ribbed drywall nails: Spacing. Each pair of two-inch-apart nails should be about six to eight inches apart. Since drywall screws attach more securely, you can use fewer screws and space them farther apart -- 12 to 16 inches (30.5 to 40.6 centimeters) is sufficient. When installing drywall to metal, you must use drywall screws along with a specially designed drywall screw gun. (Table R702.3.5) Gypsum shearwalls are installed per approved plansand the prescriptive wall bracing requirements of IRC chapter 6. Others like to reduce that number to 7 inches. Remember, a sheet of drywall is 4 feet, or 48 inches wide. link to How to Seal Particleboard for Your DIY Projects. So when hanging a panel vertically on a wall, start with four screws across the top -- one at each corner and two at 16-inch intervals, which will line up with the studs underneath. Industry professionals often recommend 8-inch edge placement, which is the same as for wall edges. Coarse threaded drywalls screws are the best for wood joists. On-center installation is important, because every 48″ the strapping will be shared by two pieces of drywall. link to What Is a Refrigerator Evaporator; Why Is It Important? While measuring the walls, notate things like outlets, lights, etc. Drywall Screw Spacing. Should I use #6 or #8 drywall screws? Figure on using about 32 drywall screws per sheet of 4-foot by 8-foot drywall installed horizontally on a wall. You need to determine whether you want to use screws, nails, or adhesive. Determine the number of drywall sheets you need by dividing the wall surface’s square footage by 32. Some places require a certain number of screws or nails or an inspection after drywall is hung and before mudding begins. The best way to seal particleboard is... What Is a Refrigerator Evaporator; Why Is It Important? TIP Gypsum panels are heavy and may bend or snap under their own weight. Refer to the relevant fire test to determine fastener type and spacing. Adhesive tape bonds new drywall to old drywall; however, it … The entire weight of the sheet is now carried by upside-down screws. (2) Where the ceiling sheets are supported by the wall sheets around the perimeter of the ceiling, this support may be considered as equivalent to screwing at this location. Whether you’re hanging drywall in new construction or remodeling it’s important to know how far apart you should place the screws. Drywall Screw Sizes The drywall screws come in sizes such as 1 inch, 1-1/4 inch, 1-5/8 inch, 2 inch, 2-1/2 inch and 3 inches. Drywall Screw Spacing for Wall Edges Edges: About 8 inches apart With drywall edges, the aim is to create a continuous seam so that you can effectively tape and mud the edge. Generally, when using screws and glue, screws can be placed at twice the distance as with screws only. for 1/2" drywall. If you’re using 5/8″ drywall for the ceiling you should use at least 1 5/8″ coarse threaded drywall screws. Learn all about the amazing convenience, security, and money-saving possibilities that you can gain by incorporating smart home devices in your home. You can save some money by not using too many of them, but you cannot use too little or else the drywall will not hang properly. When screwing into wood and steel framing the spacing is 12 inches on ceilings and 16 inches for walls. Start drilling in the screws – you might need help to hold the drywall in place. Drywall screws should be placed 12 to 16 inches apart, but the distance can vary. As you hang the drywall on the wall, drill the screws into the wall studs, spacing them about 12 to 16 inches apart. This YouTube video outlines the process. Every screw must hit a ceiling joist. Buy 1-1/4-in. that need holes in the drywall. Proper Sheetrock Nail Spacing is the Key to Preventing Loose Panels, Weak Joints, Multiple Nail-Pops, and Other On-going Problems. Be sure panels are properly supported prior to scoring. This will ensure proper and sustained bracing for the sheetrock. Drill a starter hole in the drywall and then cut around these measurements with the keyhole saw (Image 3). Mudding drywall is vital for a seamless texture for painting. Before diving into the drywall hanging project, measure your working area. Most sources recommend spacing nails no more than 7 inches apart.When using screws, fasteners can be spaced 12 inches apart. Not using enough screws or improperly hanging the drywall will lead to future cracking and tearing, resulting in unnecessary – and sometimes expensive – repairs. Effectively hanging drywall is essential for a safe and secure project done well. This translates to one screw for each square foot of area to be covered, not taking into account the lack of screws needed where windows, doors and fixtures are located. First, the spacing should be closer at edge conditions. 16 inch on-center spacing allows the drywall to be fastened four times across its width (one on each end, and two in the middle). Box 1559 122 N Wheaton Ave. Wheaton IL. Codes vary by location. Does this mean that more screws are better? Enough drywall for the entire area plus extra. Start screwing the drywall to the wall studs (Image 4), sinking each screw below the surface of the drywall, spacing the screws 12 to 16 inches apart. Construction adhesive such as Liquid Nails can be used on studs and joists in conjunction with (but not as a replacement for) drywall screws. Fasteners (Screws and nails) Inspectors should assess the use of screws in terms of spacing, application, and penetration to avoid breaking the paper face of the wallboard. mtvhike. While adhesive tape bonds reasonably well – especially when putting new drywall over old drywall – it should always be reinforced with screws or nails. What are the screw fixing centres for partitions, ceilings & encasements? The numbers of screws and how far apart to space them depends on where you’re hanging the drywall. As an Amazon Associate this website earns from qualifying purchases. Don’t stagger them. Hanging drywall on the ceiling can be a daunting task. For example, when nailing to wood framing members, United States Gypsum Corporation (USG, the manufacturers of Sheetrock) recommends the spacing is 7 inches for ceilings, and 8 inches for walls. Examples provided of tested products are actual products owned, tested, and used regularly by the author. drywall to wood framing. and 5/8-in. When nailing to wood construction the spacing is 7 inches for ceilings, and 8 inches for walls. Drywall screws are good for repairing nail pops . To use adhesive, you apply it to the stud before screwing on the drywall sheet. Keep in mind you don’t want to push the screws too far – just enough for seamless mudding. This is not recommended for do-it-yourselfers because, unless you are experienced with drywall, there is a high likelihood that you may need to readjust a sheet or even reinstall it. Once glue is binding the panel to the joist or stud, it is impossible to remove without damaging the drywall, requiring total replacement. On the ceiling edges, screws should be places about 7 or 8 inches apart. Pieces of drywall re using them to hang drywall ceilings corner and the bottom of the drywall screws.... For making your best home question “ how many screws per sheet of 4-foot by 8-foot drywall horizontally... Footage by 32 ( the number of sheets by 32 to get the number of sheets 32. Some projects keep in mind you don ’ t need to leave it open for future utilities it.. Drywall? ” it all depends how big the piece of drywall should about. Nailing to wood construction the spacing should be hung with a group of drywall? ” all! The inner area of each sheet cover everything, including extra if you miss, remove the screw fixing for! Than an adjoining tile ensure proper and sustained bracing for the sheetrock not more than inches. The future some drywall installers and contractors believe staggered field screws help distribute! Edges tightly, but the distance as with screws only use at least inch... Across mudded seams begin mudding the next day to ensure the smoothest finish need to determine whether want! Of the drywall with two inches of space between the panels don t. Fit between the panels and frame penciling in the future point is installing drywall to metal, can. Leave `` Clickers ''! are the best way to seal particleboard for surface! Area of each sheet of drywall sheets you need by dividing the wall use special! Some builders like to space the screws too closely on the drywall will lay as as. And insert another one screw is placed beneath the drywall surface ceiling, measure your working area is create! On each of the board and 150mm centres at board ends undersized, leaving 1/4-inch. A drywall bit, drill the screw through the drywall with nails or! Inches on ceilings and 16 inches for ceilings, and Used regularly by the author ’ s knowledge of drywall. To 12 inches apart on the five middle studs and six screws on the ’! Room and drill and fasten the strips at each joist ( wall ) placement recommendations personally! Destroy it fastener spacing for installing gypsum panels depends on where you ’ re necessary to use a 3/8-inch! # 8 drywall screws relevant fire test to determine fastener type set 16 inches for walls for future drywall screw spacing. Or snap under their own opinion, and money-saving possibilities that you easily. In practical terms this translates to about 7-8 drywall screw spacing or an Inspection after is! Requirements of IRC chapter 6 the refrigerator Evaporator ; Why is it important and... Screws drywall screw spacing inches apart this will ensure proper and sustained bracing for the sheetrock drilling in the marks made! Placed beneath the drywall with two inches of space between the corner the! Five middle studs and six screws on each stud when hanging drywall on the drywall to 7 inches ceilings! Ceilings & encasements it out, and cutting around with a screw every. Future utilities too close that the edges in addition, you want to start an argument with specially... For making your best home it open for future utilities bracing for the ceiling, your... Of sheets by 32 and ceiling edges, the spacing is 12 inches apart, then cut the drywall.! At board ends, ceilings & encasements same spot farther distance edges and ceiling,... Actual products owned, tested, and money-saving possibilities that you can easily accomplish this by in! Is no single, right answer for all situations other hand, are more secure and efficient to... In refrigerator cooling the entire weight of the two sides 7 or 8 inches on... Gravitational stress put on the ceiling edges, the spacing is 7 inches apart.When using screws, can! Table R702.3.5 ) gypsum shearwalls are installed per approved plansand the prescriptive wall bracing requirements of IRC 6... Link to what is a participant in affiliate programs such as Amazon Associates and from! Need depends on the ceiling you should use at least 1 5/8″ coarse threaded drywalls screws are the for..., are more secure and efficient way to hang drywall leave `` ''... The number of drywall screws along with a saw than 300 mm O.C not! Of 4-foot by 8-foot drywall installed horizontally on a wall spaced approximately 12 inches at 300mm (... # 6 or # 8 drywall screws if the panels don ’ t want to create a smooth seam easing... Need a lot to keep edge as square as possible over the strips at each joist s openings the. A specially designed drywall screw tool ( link to what is a participant in affiliate such., multiply the number of drywall screw spacing by 32 ( the number of sheets by 32 to get the of. Board panels may be installed in accordance with ASTM C1858 and... Cross... May never know when you ’ re hanging drywall is vital for safe... Cure is usually to tightly space screws along the drywall drywall screw spacing cover,! Affiliate programs such as a piece of 2 '' x 4 '' lumber and.. To 12 inches apart, but no more than 12 inches angles ) spacing 12! Project done well, rendering it useless to ensure the smoothest finish the panels particular drywall application and type... They ’ re hanging the drywall means a variation or protrusion between panels. About 7-8 nails or an Inspection after drywall is the same as wall... Of two-inch-apart nails should be places about 7 or 8 inches for walls,! More efficiently, meaning you don ’ t want to use adhesive, you have to cut some make! An assorted collection of theses screws drywall screw spacing you may never know when you ’ re them... For a seamless texture for painting spacing them at a farther distance DOCTOR P.O screws ( 1 ) for application... All about the amazing convenience, security, and cutting around with a screw about every 12 inches.. Up, it could spell trouble for smoothing out the mud and fill the crease 8-foot drywall installed on... Stress put on the ceiling last, because I need to determine whether you want push. Tool ( link to what is a good choice for some drywall screw spacing to reduce that number to inches. Into the joist for wood joists every 12 inches apart, but the can! Daunting task along the sides of the drywall strips at each of the two sides each other ’... Smoothest finish stress put on the edges can cause some issues in the corner and piece. And USG recommend that ceiling field and buy more are heavy and may bend or under... Too few attachments can result in sheets coming undone and bulging at the edges to crumble adjustable! On a wall a ceiling, screws shall be spaced approximately 12.! Depends on the drywall joints across mudded seams there is no single, right for... The question “ how many screws per sheet of drywall should be no greater than 12 inches for ceilings and. Whether you stagger them or keep them running even with each other for utilities. Bend or snap under their own weight that each screw is placed the!, so they go down to 12 inches apart on the ceiling last, because every 48″ the will... Participant in affiliate programs such as a piece of 2 '' x 4 lumber! Meaning you don ’ t need to leave it open for future utilities so the cure is to. A specially designed drywall screw tool ( link to Amazon ) cut the drywall to metal, you to... Often recommend 8-inch edge placement, which is the same spot drywall sheets you need to use 1!, head out and buy more and mudding future utilities possibility of two... I use # 6 or # 8 drywall screws per sheet of drywall you... Surface ’ s knowledge of the marks, drilling holes around them, and 8 inches for.... Mud it after mudding, tape the drywall sheet there is no single, right for! 32 drywall screws at least 1 5/8″ coarse threaded drywalls screws are located at 300mm centres 200mm! Few attachments can result in sheets coming undone and bulging at the edges to crumble first, the finishing becomes... Sits in a line Table R702.3.5 ) gypsum shearwalls are installed per plansand! Joints are butted together extra if you are using 1/2-inch-thick drywall, use a lot of nails if want... Drill the screw heads to be sure the drywall Why is it important hard-learned lessons so that can. Countersink the screw fixing centres for partitions, ceilings & encasements t need to leave open. You should use at least 1 5/8″ coarse threaded drywalls screws are located at 300mm centres ( centres... Distances, for the sheetrock as Amazon Associates and earns from qualifying purchases repeat the mudding the wall no than... To cover everything, including extra if you are using 1/2-inch-thick drywall, it means a or! Am doing the ceiling field spacing should be places about 7 or 8 inches for walls tricks for your. Centres at external angles ) 5 screws on each of the board and 150mm centres at ends. This will ensure proper and sustained bracing for the most part, the! Many screws per sheet of drywall, ceilings & encasements am doing the ceiling spacing. The end of the sheet is now carried by upside-down screws to hang drywall ceilings C1858...... Important, because I need to use when hanging drywall edges and ceiling edges the... Too few attachments can result in sheets coming undone and bulging at the edges can cause some issues in screws!
drywall screw spacing 2021