Go Back   DIY Chatroom Home Improvement Forum > Home Improvement > Flooring

CLICK HERE AND JOIN OUR COMMUNITY TODAY...IT'S FREE!

Reply
 
Thread Tools Search this Thread Display Modes
Old 06-27-2009, 12:04 PM   #1
Newbie
 
Join Date: May 2009
Posts: 10
Rewards Points: 10
Default

Securing OSB sub-floor to concrete


I'm planning on putting down 1/2" OSB sub-floor directly on my concrete basement floor. My question is how to secure it? I have been told to simply use masonry nails with a baby-sledge, but have read a lot about using tapcon screws...

Can I use the masonry nails and be secure or should I go another route?

Rhat is offline   Reply With Quote
Old 06-27-2009, 12:31 PM   #2
Tileguy
 
Bud Cline's Avatar
 
Join Date: Mar 2006
Posts: 10,243
Rewards Points: 2,136
Default

Securing OSB sub-floor to concrete


Never gonna happen!

Why on earth would you want to do that to begin with? You are getting some really bad advice from someone.

What do you have in mind after you install the OSB?

Bud Cline is offline   Reply With Quote
Old 06-27-2009, 12:38 PM   #3
Member
 
Join Date: Jan 2009
Location: South of Boston, MA
Posts: 17,248
Rewards Points: 2,000
Default

Securing OSB sub-floor to concrete


Cement allows water vapor to pass thru
I'd never put OSB or any other wood directly on a basement floor that is below grade
Scuba_Dave is offline   Reply With Quote
Old 06-27-2009, 02:25 PM   #4
Pro Flooring Installer
 
rusty baker's Avatar
 
Join Date: Feb 2009
Location: SW Missouri
Posts: 3,919
Rewards Points: 2,108
Default

Securing OSB sub-floor to concrete


The OSB will just fall apart in a few months. What are you planning on intalling over it?
rusty baker is offline   Reply With Quote
Old 06-28-2009, 06:51 AM   #5
Newbie
 
Join Date: May 2009
Posts: 10
Rewards Points: 10
Default

Securing OSB sub-floor to concrete


Thanks for the replies.

I've painted Drylock (2 coats) on the concrete floor, and was told to put a 6 mil poly vapor barrier down and then the OSB. on top of the OSB i planned to put Bamboo planks due to their resistance to moisture, but I need something to secure them to and was told to put down OSB....other thoughts?
Rhat is offline   Reply With Quote
Old 06-28-2009, 08:10 AM   #6
Member
 
Join Date: May 2009
Posts: 135
Rewards Points: 75
Default

Securing OSB sub-floor to concrete


There's not a lot of choices for putting hardood below grade. Any solid product is going to give you trouble due to moisture. Only got 2 choices below grade. An engineered floating product. Click lock with a moisture barrier below. Or, a glue down engineered floor. The second choice is going to start with applying an elastomeric coating as a moisture barrier, followed by a flooring adhesive like Bostics Best. The second method is not for the faint of heart. It's a PIA. If you choose the second option, the best advice I can offer is to not spread anymore glue than you can work in a 30 minute period & lay the planks opposite what is considered normal. In other words, work the tonge into the grove rather than the groove into the tongue, otherwise, you're going to plow the grooves full of glue as you pull the planks together.

pinwheel45 is offline   Reply With Quote
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
How To Keep Your Concrete Mixer Driver Happy Mort How To Guides 38 02-12-2014 06:25 PM
How To Install Rigid Foam Insulation on Concrete earthad1 Building & Construction 9 10-26-2010 09:49 AM
Securing Outdoor Concrete Bench Stavros Building & Construction 4 05-16-2009 08:49 AM
Securing subfloor over a concrete pad ktulu05 Flooring 4 06-18-2008 07:19 AM
Securing wall to concrete floor Sandervanoaker Building & Construction 10 05-06-2005 01:11 AM




Top of Page | View New Posts

Copyright © 2003-2014 Escalate Media. All Rights Reserved.