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        Caulk where bottom plate meets floor? Sign In/Join 
        posted
        I once saw someone caulking along area where the bottom plate meets the concrete floor. I'm building a room in my basement and was wondering if this is a necessary step.
         
        Posts: 149 | Registered: Dec 11, 2006Reply With QuoteReport This Post
        posted Hide Post
        Vinny,
        On an interior wall it isn't required. It won't hurt but it won't do much. Caulk would stop air leaks and drafts, if your partition is separating two conditioned spaces there shouldn't be much in the way of drafts.

        A better thing to do on exterior walls is to put a foam gasket between the plate and the foundation.


        General Disclaimer

        Any advice given here is general in nature and is not necessarily valid for your given area. If in doubt check with your local codes enforcement department for what is required when doing electrical, plumbing or structural work on your house. Permits may or may not be required in your area and home owners may not be able to DIY some tasks. I have no way of knowing if you have the skills needed to complete the tasks you are asking about, when in doubt seek professional assistance.

        My advice may be worth exactly what you pay me for it. :-) For the record I did not stay in a Holiday Inn Express last night.
         
        Posts: 614 | Location: Cary, NC | Registered: Aug 17, 2006Reply With QuoteReport This Post
        posted Hide Post
        As Sparky stated it will do very little. If the floor is uneven it will just seal up the low spots to prevent air migration. I might mention that if it were mine I would use a Pressure treated sill plate against the concrete and then switch to white wood after that. There could be moisture coming through the slab which could effect the white wood over time.
         
        Posts: 1729 | Location: Applachain | Registered: Feb 27, 2006Reply With QuoteReport This Post
        posted Hide Post
        Thanks Sparky
         
        Posts: 149 | Registered: Dec 11, 2006Reply With QuoteReport This Post
        Picture of joecaption
        posted Hide Post
        If you use sill seal between the slab and the bottom plate there should not be any gaps.
        http://www.amazon.com/75035-Si...1&keywords=sill+seal
        Any box store or hardware will have it.

        This message has been edited. Last edited by: joecaption,


        joecaption
         
        Posts: 17988 | Location: Hartfield VA | Registered: Jan 31, 2004Reply With QuoteReport This Post
        posted Hide Post
        quote:
        Originally posted by redoverfarm:
        As Sparky stated it will do very little. If the floor is uneven it will just seal up the low spots to prevent air migration. I might mention that if it were mine I would use a Pressure treated sill plate against the concrete and then switch to white wood after that. There could be moisture coming through the slab which could effect the white wood over time.


        Good catch Red. I should have mentioned the PT base plate.


        General Disclaimer

        Any advice given here is general in nature and is not necessarily valid for your given area. If in doubt check with your local codes enforcement department for what is required when doing electrical, plumbing or structural work on your house. Permits may or may not be required in your area and home owners may not be able to DIY some tasks. I have no way of knowing if you have the skills needed to complete the tasks you are asking about, when in doubt seek professional assistance.

        My advice may be worth exactly what you pay me for it. :-) For the record I did not stay in a Holiday Inn Express last night.
         
        Posts: 614 | Location: Cary, NC | Registered: Aug 17, 2006Reply With QuoteReport This Post
        posted Hide Post
        Love it -- in California, all 3 are required. Pressure treated wood where it touches concrete, the sill plate seal (on outside walls), and caulk or expandafoam (small bead) along the inside of the outside walls where the sill plate meets the concrete.
        And the inspector does get called in for an 'insulation' inspection -- and they check for that small bead, as well as the rest of the insulation job including filling the holes where any wires pass through the top plates.

        This message has been edited. Last edited by: Re-mdlr,
         
        Posts: 873 | Location: No. California | Registered: Mar 24, 2004Reply With QuoteReport This Post
        Picture of joecaption
        posted Hide Post
        All items that the state has insisted they put "May cause cancer" stickers on.


        joecaption
         
        Posts: 17988 | Location: Hartfield VA | Registered: Jan 31, 2004Reply With QuoteReport This Post
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