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chaos232 06-15-2010 02:02 PM

ribbed steel decking
First off i like to say hi to everyone and really like reading and learning from this site! Here is my situation, I am a new home owner and starting to plan things for my basement. I am in western PA. and have a ranch style home with a full basment. There is an attached garage at grade, now below there is an enclosed area in the basement. This area in the basment is enclosed on 4 sides with block walls, 2 exterior and 2 interior. This will be my workshop. Now being it is under the garage there are no floor joists and the "ceiling" is ribbed steel decking. The size inside is 12'-8 x 20'-8 and the decking spans length wise and there is an W8 at center span. I want to put up XPS on the 2 exterior walls and then frame it out for drywall.

All this now here are my questions, how would you go about attaching the top plate for the walls? Should I attached blocking to the decking for the long walls since the span of the ribs will be parallel. should i use powder actuated to attach? Drill and use tapcons? If i drill, do i use a metal bit then tapcon bit? Or is there a way to use blockong on the block walls. I do not intend to finish the cieling and a joist system because of the over 12" span. Thanks in advance

chaos232 06-15-2010 06:24 PM

Just to add a bit more info, the decking measures 3 1/2" wide flat i could attach to, with 1 3/4" high X 1 3/4" wide rib between. Also i am open to alternative ideas.

jomama45 06-15-2010 06:53 PM

Maybe this is just an assumption, but if the home is fairly new, it should have a deceent amount of insulation on the exterior already.

Due to the semi-small width already, I wouldn't even fur the wall out and insulate if that's the case. The only part that is somewhat vulnerable to big temperature swings is the above grade foundation walls.

My shop is an all block building, & I wouldn't have it any other way. The walls are nearly indestructable, heavy objects can be hung literally anywhere, the walls can take the occasional water, etc....

Personally, if I were you, I think I'd settle with a little bit cooler work shop & stick the time & money you save on furring it out into new tools. :thumbsup:

chaos232 06-16-2010 05:15 AM

I do admit I did consider just painting, but I would rather have the studded walls than block. The walls will make it easier for the shelving, cabinets, storage racks i would like to hang on the walls. The idea of all those holes in exterior block walls just does not appeal to me. All my delicate toys in workshop might not either :laughing:. ((the workshop is for my hobby..R/C airplanes and helis)) ohh jezz, boys and their toys

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