Share this: Click to share on Twitter (Opens in new window) Click to share on Facebook (Opens in new window) Well start on the wall … Both people should hold one end of the plywood as they climb up the ladders. Thanks for contributing an answer to Home Improvement Stack Exchange! rev 2021.3.1.38676, The best answers are voted up and rise to the top, Home Improvement Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us. And at regular intervals along the length. Finding ceiling joists accurately can be critical for safely installing garage additions. So, How Much Can My Garage Ceiling … And at regular intervals along the length. Next we'll prepare the first shelf to be installed on the ledger. Ideally, it will take two ladders and two people using power screwdrivers simultaneously because of the size of the plywood. Take the number of inches and divide by 16, then add 1. It’s not difficult, but it’s not a job you can do without a little help since plywood is difficult to maneuver above your head. Calculating the amount of strapping you need is simple. Hold the plywood while your helper does the same thing at the other end. Is alt text required for an image if the information is present elsewhere on the page? The rafter construction often has the support design of the rafter webbing in the shape of a W that divides the lower stringer into three sections. Ceiling joists provide support for more than one surface in your home. My garage ceiling framing consists of manufactured 2x4 trusses over a 20.5' span and on 24" centers. I am putting up 3/8" plywood on top of old plywood in a carport ceiling. If you have a floor above your garage, your ceiling is probably constructed with joists that stretch across your ceiling and support the weight of the floor above it. With that as a starting point, follow these easy steps to install your plywood ceiling. B) If you try to add in 2x4 stringers in between the existing rafters you would definately not want to have those stringers have an unsupported span that was less than the segments on the lower side of the existing rafters. How to Convert a Flat Garage Roof to a P... How to Convert a Flat Garage Roof to a Pitched Roof. “You could even possibly introduce a good crown to each by holding the bottom chord in place with a slightly long 2×4 post under the center as you install it. While your 2-inch by 6-inch joists can collapse from too much weight, such a scenario is uncommon. A) Probably the best way to provide adequate support for the drywall on the ceiling would be to screw flat 2x4's at right angles to the existing rafters onto the bottom of the lower rafter stringer. How can I have a villain restrain PCs in an "intelligent" way without killing or disabling some or all of them? Tweet. You also need to have joists of sufficient sizes framed to hold the plywood securely. Measure your plywood so that one edge fits on the joist above the garage door and extends to the furthest possible joist without running beyond the center of it. This is the foundation layout for our garage. Website operating It sounds like your trusses are doing OK. (nominal) 1x3's are perfectly adequate for strapping (lumber at right angles to the truss bottoms for better drywall support.) Can fundamental analysis be applied to market indexes as if they were single stocks/bonds? You should check with your local building code administration to see if you can even use plywood to cover a garage ceiling of your style. Visual design changes to the review queues. Is a mathematical programming problem with no objective function an optimization problem? The difficult part of installing a plywood ceiling is hanging the plywood. Attaching 2x6 Ceiling Joists To Steel Beam Blocking Contractor Talk Professional Construction And Remodeling Forum. Sistering is the process of adding a new joist next to each existing joist. If this number is less than 16 feet, you can buy one strap for each length. When you’re attaching plywood to make the ceiling, both ends of the plywood will need to be screwed to the joists. When you’re attaching plywood to make the ceiling, both ends of the plywood will need to be screwed to the joists. Hello. In this post we will cover wood roof framing members, specifically ceiling joists. Actual pictures of our house can be found here. It seems to show really consistent studs / joists When I "missed" the studs, I … The size and the distance will depend on the distance the board(s) need to span and the expected load that it will be supporting. “What I would do is to add a 2×4 to the top and bottom of each joist, using glue and structural screws to convert each joist into an I-joist in place,” Piffin writes. With that as a starting point, follow these easy steps to install your, Cut the plywood sheet to the correct size using your. If your garage is attached to your house there are often stringent regulations that specify the use of drywall at least 5/8" thick. Jack up each side of the joist 1/8-inch at a time until the joist is level. I need to use 2x4s so I don't have to raise the existing light storage flooring to accommodate 2x6s or 2x8s. If you attach your shelves or bike rack to just the edge of the joist, it may fail. Screwing down the plywood to the joists will prevent your plywood ceiling from sagging and offer a professional looking surface to paint or texture if you like.