Floor joists are typically 2 by 8s 2 by 10s or 2 by 12s.
Floating floor door frame.
I made a quick video on how to undercut door jambs for laminate flooring it is a diy job most people could undertake themselves if the have some basic tools.
But when the last few floorboards of your laminate floor need to be laid under the door jambs or through the door lining or door frame it seems impossible to get them in without.
If your flooring runs parallel with the door you ll likely have only one piece of laminate to trim.
Using a framing square measure the depth of your door jamb by sliding the square under the newly cut gap until the tool hits the door frame or stud.
If there s a gap under your door casing and also a gap between two rooms under a door where two different installations of laminate flooring join you can install t molding to hide both gaps.
Some newer homes have manufactured i beam shaped joists.
Measure on the inner jamb as well as both sides of the door where the trim is located.
A floor s framework is made up mostly of wooden joists that run parallel to one another at regular intervals.
Cut the door s molding and the jamb behind it while keeping the saw on top of the gauge block.