11:36AM | 06/10/03
Member Since: 06/03/03
12 lifetime posts
Hi all,

thanks for the help so far.. need a little more.

I am kinda scared to go forward with the powder gun method to support the beams on concrete because of the water cracks that I just fixed along the walls. I know I am not using the gun on the walls, just the floor but I dont want water to start coming up from the floor..

I was told that liquid nails is a good product? if so, which one to use?

I am just creating a simple little room in the basement.

thanks so much in advance..

plumber Tom

01:15AM | 06/11/03
Member Since: 05/10/03
801 lifetime posts
Different types for different applications. Read the tube. The liquid nails i have used was for paneling and drywall


02:56AM | 06/11/03
Member Since: 02/20/03
17 lifetime posts
I used the 2 1/2 inch nails in my power gun. Going through a 2x4 leaves about 1 inch penetration into the concrete. My pad is about 3 inches thick. That shouldn't cause cracks.

I know there are several different Liquid Nails to pick from. Is there one that will adhere wood to concrete?


04:31AM | 06/11/03
Member Since: 06/03/03
12 lifetime posts
I was told that there was one that would be good since it is just a basement room.



02:44PM | 06/11/03
Member Since: 06/03/01
324 lifetime posts
I have had mixed results with Liquid Nails. Mostly, it has dried out over the years and lost it's adhesive power. The other problem is that you probably have to use either treated lumber or redwood when in direct contact with cement. Treated wood does not take to adhesives like Liquid Nails very well. Might try to locate an adhesive made especially for cement/wood contact.

[This message has been edited by LDoyle (edited June 11, 2003).]


05:16PM | 06/11/03
Member Since: 06/03/03
12 lifetime posts
Thanks for your follow up on this Doyle, I am just scared that the nails from the powder gun will crack the bottom concrete and cause water damage.

Just spent the past weekend "hopefully" patching up the walls and water proofing them, don't really feel like water proofing the floor.


02:32PM | 07/01/03
Member Since: 06/30/03
2 lifetime posts
I would use the powder gun. I have refinished many basements and completed a host of other similar work over the last few years. Never once have I had a problem with the powder gun. Now, if you do not select the correct charge for the application, you are likely to run into problems with cracking on the surface. My experience is that the nail goes through so fast that the concrete has little time to think about cracking. Your job will hold up much longer with the powder gun.


08:32AM | 07/03/03
Member Since: 06/27/03
3 lifetime posts
I agree with others that it's best to use a powder charge with 2 1/2 inch nails to secure the footings. Where I live, the building code requires using pressure treated wood for the bottom plate of all walls, and Liquid Nails does not adhere well to it.

Liquid Nails "Heavy Duty #LN-901" claims that it will adhere wood to concrete.

[This message has been edited by pmnick (edited July 03, 2003).]

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