Hello - I'm a newbie to DIY Home Improvement, so please bear with me. I need to cut an access panel through two walls in order to reach through one side of the wall to the other side where my washer/dryer sits. I need to do this so that I can appropriately connect my dryer hose from the dryer to the outlet. I plan on installing a plastic access panel, such as this ([url=http://www.globalindustrial.com/p/building-materials/access-doors-and-panels/flush-access-doors/plastic-access-door-8-x-8?infoParam.campaignId=T9F&gclid=CKKPqZqL08ECFZM1aQodwyoAVA&gclsrc=aw.ds]Access Doors & Panels | Flush Access Doors | Plastic Access Door - 8 x 8 | B204666 - GlobalIndustrial.com[/url]). I understand how one cuts and installs an access panel through one sheet of drywall, and I will first install the plastic access door through drywall sheet #1. For drywall sheet #2 (the wall immediately adjacent to the washer dryer), I assume I will do the same except I would be installing the access door on inside of the drywall (rather than the outside as for sheet #1). Any tips? My guess is that there will be both plumbing and wiring between the drywall sheets, given the washer dryer. I assume I should shut off electricity first? Thank you!

Hi, I am hoping to do some remodeling in my garage because I wish to insulate it. A problem that I am encountering is that my garage does not have a ceiling upon which I can place insulation. There are currently 4 joists running across the garage, but there are not enough to hang drywall off of (I need 16). I know that I need to install more joists in order to put a ceiling up, but I'm not finding a lot of information about how to install more joists when there is already a roof on the garage. Since there is already a roof, there is no way that I can install single boards that span the whole length of the ceiling as joists. My idea was to take two boards, cut ears in one end of each, and then once I have both boards propped in place, screw a third board in that connects them in the middle. Is this a good plan? Or is there a better way to go about installing ceiling joists in an area that already has a roof? I am also thinking it may be necessary to connect the joist in the middle to the roof rafters. How do I go about doing this? The framing spacing of the garage is 16 on center. The dimensions of the garage are 20' x 23.5'. Thanks in advance for your help.