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- Jan 7, 2016
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The backer is what I had considered. I may still do a little "wainscot" around my welding area with it. The stuff is tough, but it wouldn't be good for hanging stuff from, either. It sounds like prices have come down, with a smaller gap between OSB and ply, making plywood a better choice.I was thinking about putting some of the aluminum siding in the grinding and welding areas, but it's kind of pricey. How does hardy board hold up? true hardy board is $45/ 4x8 sheet. They also sell hardy backer board - is that what you meant?
With the 3/4 being only a few dollars more than 5/8, I may just go with 3/4 and no 2x4s under it - just screw it directly to the perlins. For the welding area, it may be cheaper to put aluminu roofing wainscotting than the backer board, or put 1/2 sheet rock over 1/2 inch OSB, at a cost of about cost of 11+15= $26/ sheet.The backer is what I had considered. I may still do a little "wainscot" around my welding area with it. The stuff is tough, but it wouldn't be good for hanging stuff from, either. It sounds like prices have come down, with a smaller gap between OSB and ply, making plywood a better choice.
I have R13 (14?) Under the outside metal Siding. I can put more between the horizontal Perlins (they are 6 inches deep) but I wasn't planning on it. Money is tight and progress will be incremental at this stage.Is insulation a consideration for you? I did it for temperature regulation and for noise control. It was a modest expense compared to the price of the building, and I knew it would be tough to do after the fact. It really keeps the noise down, the neighbors don't hear much of what I do in there. The challenge was that I needed to add enough 2x6 framing between the poles to hang 24" battens. Pole barn construction does not leave much to anchor to. So I did that, and sheeted with OSB, which is fine, but it does make it difficult to hang or mount things to. My "studs" are on 24" horizontal centers, so not a lot of anchor points there. When I hang things on the OSB, I use mollies or drywall anchors. That's pretty good, but it's not like I can just drive a nail or screw and hang some weight on it. I have to plan it out, use additional bracing and anchors. I certainly won't be mounting a shelf for 20' steel stock up high on the wall like I would like to. It's not a deal breaker, but it is something for you to consider as you plan.
How do you feel about 1/2 inch OSB with 1/4 hardy board over for grinding/welding area? Only problem is it comes in 3x5ft... Which doesn't seem to work well with 4x8 sheets for half a wall height. Other option might be sheet rock over 1/2... or just use the fire retardant paint over 3/4... decisions decisions.As a builder, I work a lot with OSB, I don't recommend it as a finished surface as it can generate nasty splinters, it also off gases quite bit when exposed. I'd say ⅝" ply minimum if you want to hang stuff, ¾" would be ideal. you can laminate ¼" Hardy Board over. the ply and have fire protection and hanging ability. The hardy board is durable and can be painted.