| Author | Message | ||
| captain ron (Captain_ron)
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I was price shopping today for ply wood for my exterior walls. I originaly planned on 3/4 ply wood for every thing. then I thought that was over kill and only needed to be where I was hanging cabinets. I found 3/4 cabinet grade plywood at HD for $24.00 a sheet. If I vary plywood thickness then I have issues with having to biuld out walls to be even. should I bite the bullet on price and use the 3/4 on all the outside walls? | ||
| Donald Lee Schwanke (Dontx)
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Gosh Ron, I don't know why. you aren't trying to hold up the roof or something. I used 1/4 luan on all my exterior walls, hooked the cabinets to the bus structure, not the walls, will do the same as 3/4 inch. Even with that I had a weight problem, 3/4 inch plywood is HEAVY! | ||
| captain ron (Captain_ron)
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I used 1/4 luan on the old one, but finding something to screw to and screws to use were a bit of a hasle. I think Ace used 3/4 on his bus. I just want this one to be realy nice | ||
| H3-40 Rating: N/A |
3/8 inch NOT 3/4 The only reason I used 3/8 was to bring the wall out even with the window sash since I removed ALL of the original guts of my bus down to the frame! Ace | ||
| Marc Bourget Rating: N/A |
Cap'n Ron Maybe plan where things go and put some structure behind a thinner wall covering, like the Luan or the heavier 3/8's Ace used. If you don't pay attention to weight, at every step, you run a real risk of getting so heavy you might be over axle/wheel/tire weight capacity And, worse, you pay for every mile you have to haul that extra weight down the road. | ||
| Jerry Liebler (Jerry_liebler)
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I used 2" wide 'straps' of 3/4" plywood running from front to back spaced on 8" centers, then 3/16" luan sheeting on the inside. My cabinets are hung from the plywood 'straps'. The upside is I have 3/4" more insulation and a good thermal break. The downside is I lost 3/4" of headroom. Regards Jerry 4107 1120 | ||
| H3-40 Rating: N/A |
I don't think the 3/8 inch ply is veryheavy considering what you have to use it for. If I lean against the wall I want or accidently bump into a door I want to know it's as solid as the coach. When insyalling the cabinets, I was surprised at how easy they went on the wall and when I did my plumbing inside I could easily secure the pipes without any crumbling of cheaper, thinner board. If these coaches were built to carry some weight of many passengers and luggage, then using 3/8 ply isn't going to hurt especially when there are others (pros) that use the like of granite in the showers and on the counter tops not to mention ceramic tile thru-out the coach from mid section to the front and down the steps. They are adding a lot more weight than simply using 3/8 ply on the walls. Also by using 3/8 ply you don't seem to get any waviness between frame rails. I have seen thinner material used and that's the result you end up with! Hey, it worked for me! Ace I@N... (re. email, kettle corn?)  | ||
| dug Rating: N/A |
Fred Hobe recommends using 26 Guage sheet metal between ribs and ply where you're going to hang cabinets. Seems like a pretty good idea to me. http://users.cwnet.com/~thall/fredhobe.htm Scroll down to "Installing over head cabinets". Dug 75 MC8 Arcadia, FL | ||
| marcschlabach Rating: N/A |
I used 1/2" sanded luan from hd . It is strong enough to fasten cabinets to. Less weight than 3/4" Works for me. Marc | ||
| mikeEMC
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After doing 6 bus intiores. it realy depends on the frame spaceing Mine is on 24 in centers because i welded an all new frame. used 1/4 ply on the walls, if i could post a photo i would. in the past it it was up to the customer as what they wanted. i still belive in the weight factor. if your bus has good weight factor usaly 1/2 is good HD sells a good sanded ply that i use for everything ,i prefinish all pannels before i cut them it saves on the final finish time , 1 seal coat and 3 top coats that leaves 2 final coats at finish time. | ||
| Donald Lee Schwanke (Dontx)
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With this group of factual people, I was surprised nobody gave some real facts on weight. According to this table from the internet, a sheet of 3/4 in plywood weighs 75 lbs. If we are talking a 40 foot bus, that is 8 sheets down each side (appoximately) for a total of 16 sheets, for a total weight of 1200 lbs! Don't sound like much maybe, but 1200 here and 1200 there sure adds up in a hurry! Plywood Weight An easy way to estimate how much a stack of plywood will weigh is to figure about 25 lbs. per 1/4 in. of thickness. For example, one 4x8-ft. sheet of 1/4-in. plywood will weigh about 25 lbs., 1/2-in. about 50 lbs., and 3/4-in. about 75 lbs. This can help you decide how many trips you need to make to get a stack home, or whether you should have it delivered. | ||
| mikeEMC
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Good point Dontx, 2 books i keep in my library is workshop math from harbor freight and pocket refrence from tractor supply , very hany books. In the past i have bought ply that weighed in at a heafty 150 lb's |