Go Back   DIY Chatroom Home Improvement Forum > Home Improvement > Building & Construction

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

Reply
 
Thread Tools Search this Thread Display Modes
Old 12-29-2011, 10:47 PM   #1
Member
 
Join Date: Dec 2011
Location: Philadelphia, PA
Posts: 67
Rewards Points: 107
Default

wanting to reinforce some joists in my basement, need opinions/suggestions


Not all that knowledgeable with DIY stuff (new homeowner, looks like I'll get familiar here quick!), but I'd like to add some reinforcing to the few joists that run right below the foyer, so that I can put a treadmill there and run on it, without worrying about any issues below. I'm a big guy, so I'd prefer to spend a few bucks and brace it up rather than falling through the floor while running..probably exaggerating, but better safe than sorry!

Long story short, I'm 6'2" and I'm not able to stand up on the treadmill in my basement without having to walk/run between two joists which are only 14in or so apart, not any fun in my book (I'd probably end up puking all over the floor!!!). When we bought the house about a month ago, the previous homeowner's had their treadmill where we intend on putting ours.

anyhow, the joists have a 21 1/2 in space between them and are 9ft long in length. how do you guys suggest I add some bracing? Here are a few photos, to give you folks an idea;











Much appreciated for any help!

andrewjs18 is offline   Reply With Quote
Old 12-29-2011, 11:01 PM   #2
Military Mom of 4
 
Snav's Avatar
 
Join Date: Aug 2009
Location: Arkansas
Posts: 974
Rewards Points: 500
Default

wanting to reinforce some joists in my basement, need opinions/suggestions


I was just going to tell you to sister onto the existing beams.

But considering the rot on some of your floor boards - I don't think it's wise to ignore that. For ideal structural soundness you should rip up the existing floor - replace the rotted and damaged beams - add in new beams because they shouldn't be spaced 22" apart for support of a modern subfloor . . . then lay down new underlayment and subfloor - and in that process you'll strengthen the floor adequately for a treadmil.

And I suggest using Kettlebells for a weight loss and fitness program - they're superb

__________________
At this present moment in time I am making cabinets for the kitchen - just in case you wanted to know what I'm doing when I'm not around.
Snav is offline   Reply With Quote
Old 12-29-2011, 11:10 PM   #3
Member
 
Join Date: Dec 2011
Location: Philadelphia, PA
Posts: 67
Rewards Points: 107
Default

wanting to reinforce some joists in my basement, need opinions/suggestions


Quote:
Originally Posted by Snav View Post
I was just going to tell you to sister onto the existing beams.

But considering the rot on some of your floor boards - I don't think it's wise to ignore that. For ideal structural soundness you should rip up the existing floor - replace the rotted and damaged beams - add in new beams because they shouldn't be spaced 22" apart for support of a modern subfloor . . . then lay down new underlayment and subfloor - and in that process you'll strengthen the floor adequately for a treadmil.

And I suggest using Kettlebells for a weight loss and fitness program - they're superb
I intend on redoing the entire flooring later in 2012 after I get a perimeter french drain installed in the basement, that's going to set me back quite a bit, so the flooring will have to wait a while.

anyhow, as a temporary reinforcement, what do you suggest? cutting some 2X4's to size to nail in between the braces every few feet?
andrewjs18 is offline   Reply With Quote
Old 12-29-2011, 11:32 PM   #4
Member
 
Join Date: Dec 2008
Location: Fairbanks, AK
Posts: 1,847
Rewards Points: 1,000
Default

wanting to reinforce some joists in my basement, need opinions/suggestions


As it looks like you are going to throw caution to the wind for now.... Is it possible to install 3/4", or heavier, plywood between the 2 joists where the treadmill will go, holding it against the old flooring with two, 2x4's along the beams? Glue and screw the old flooring to the plywood. I would then, if it's temp and not intrusive, put 4x4 posts under the beams, to the floor, in the center of the plywood/2x4's. Either that, or build a platform that spans the old flooring and set the treadmill on it.Whatever you do, if you don't repair it properly as suggested above, it is a bit of a gamble. We can not see from here how bad/good the wood really is.
jklingel is offline   Reply With Quote
Old 12-30-2011, 12:21 AM   #5
Military Mom of 4
 
Snav's Avatar
 
Join Date: Aug 2009
Location: Arkansas
Posts: 974
Rewards Points: 500
Default

wanting to reinforce some joists in my basement, need opinions/suggestions


Yeah - a plywood platform on the floor above would be ideal - it would disperse the load evenly and be removable.

Without fixing the problems you do have first I won't suggest affixing anthing to the underside of the floor lest it just weaken the rotting wood, there.

I completely understand having to wait - improvement done right takes times and money and not everyone has it when they need it.
__________________
At this present moment in time I am making cabinets for the kitchen - just in case you wanted to know what I'm doing when I'm not around.
Snav is offline   Reply With Quote
Old 12-30-2011, 02:23 PM   #6
Member
 
Join Date: Dec 2011
Location: Michigan
Posts: 843
Rewards Points: 500
Default

wanting to reinforce some joists in my basement, need opinions/suggestions


Is the flloor below grade?
Hardway is offline   Reply With Quote
Old 12-30-2011, 10:55 PM   #7
Registered User
 
Join Date: Mar 2009
Posts: 9,967
Rewards Points: 2,000
Default

wanting to reinforce some joists in my basement, need opinions/suggestions


I don't see "rotting wood"- I do see someone has recently scraped the joist side with something (hammer-claw)- less than 1/4" deep? Measure the joists- 1-3/4" by 8-1/4" or 2x10's? Appear to be "old growth" very strong. The car-decking appears to be "clear" or "tight-knot" boards with tongue and groove edges, even stronger....
How thick are the boards? Check at a floor register- upstairs, or under the back door above- from the basement.

Gary
__________________
If any ads are present in my answer above, I do not condone/support/use the product or services listed, they are there against my permission.
Gary in WA is offline   Reply With Quote
Old 12-31-2011, 04:28 AM   #8
Retired carpenter
 
Join Date: Dec 2011
Location: Portland, Oregon
Posts: 303
Rewards Points: 250
Default

wanting to reinforce some joists in my basement, need opinions/suggestions


I agree with Gary. A big guy jumping at a rhythm on a wooden floor is going to shake the whole house badly, no matter how well it's framed.


Last edited by abracaboom; 12-31-2011 at 07:00 AM.
abracaboom 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 - prevent basement mold crazymountain How To Guides 36 07-23-2014 07:02 PM
Spray foam insulating joists in basement? peethree Building & Construction 13 11-28-2010 09:54 AM
Strengthening Joists Before Basement Finish braverichard Building & Construction 16 06-20-2010 08:28 PM
Basement cable location on joists BasementVirgin Electrical 12 02-24-2010 11:56 AM
Aquarium needs to go parallel to joists, how do i reinforce? detroti_fan Building & Construction 2 02-03-2009 11:20 PM




Top of Page | View New Posts

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