- Posts 1
Last Activity:10-24-2010 5:28 AM
Posted in thread: Reinforcing subfloor in 1970s house on 10-23-2010 at 01:36 PM
I too have the same type floor and have been under it many times to put in 2x6 joists between
the 4 foot beams. I also added some 2x6 blocking in between the added 2x6 for additional
support. I used j...