I simply pulled the wall away from the foamboard after noticing some trace amounts in front of the boards initially. This will require a hefty hammer-drill.
In this video I show you the method that I use to attach basement framing to a concrete floor.
Basement framing bottom plate. Pressure treated lumber as the baseplate INSIDE a basement. Framing calculator for stud framed walls basement finishing colorado springs insulating and framing a basement insulating and framing a basement tricks to frame a wall in basement. The best tool for this job in the use of a reciprocating saw with a nice sharp wood cutting blade installed in it.
Standard-approved wood should bear the quality mark of an accredited inspection agency according to IRC Section R3172. I had about 90 of my basement framed up for my theater when one of my friends asked me if I had used a PT bottom plate. Please note this is a radiant floor with no tubes within 6 inches of any external wall.
Erect the wall in place. Sandwich the studs between the top and bottom plates allowing 16 inches on center spacing. This will indicate that the wood is an appropriate grade.
Having said that any basement wall that you may build should have a barrier bewteen the wood and the cement floor unless its pressure treated so the sill foam. Cut 2×4 bottom and top plates and lay out stud locations every 16 inches on each plate as youre insulating basement walls. I of course had not so I proceeded to call the local inspector.
Step 5 Anchor the Bottom Plate Squeeze a 14-inch bead of construction adhesive to bottom plates and position them. Got all my framing up had a Toronto city inspector come by and he had an issue with the baseplate. It is pressure treated lumber installed with tapcons and PL premium glue.
Start by fastening your bottom plate and then use a straight stud and a level to plumb up to find the location for your top plate. The framing bottom plate is an integral and crucial part of your foundation and you do not want to have any of these problems occurring. Once the frame is erected you can frame around them cutting studs to length and making a precise cut and fit.
It acts as a cap at the top of your framed basement wall to contain any fire in the wall long enough to alert the smoke alarms in the basement see illustration at bottom. Pre-drill with a hammer drill and anchor them with concrete screws. If these plates are twisted the wall will follow suit.
Mark the rest of the stud locations on the plates using those marks. Maybe on the next basement Ill go that route. This is where embedded bolts in the concrete extend up through the bottom plate and are bolted holding the bottom plate in place.
Without this blocking installed your. When you come to the spot where you have windows or doors leave those studs off do not nail them to the top and bottom plates. Move the bottom and top plates and align with the line you marked earlier.
At the side of the bottom plate place the cut 24. Framing out a basement and Ive observed a significant amount of moisture under the pressure treated bottom plate. Use 2 x 4 inches of good quality timber when framing your basement.
Also ensure that the top and bottom plates are straight. I run their design-build division that specializes in custom homes commercial design-build projects and sub-divisions. Measure and cut the studs in line with the height between the floor joists and the ceiling while considering the thickness of the top and bottom plates.
Sure enough I had to have a PT plate I also had to cover all of the basement block walls with plastic before I framed up against them. I like to order my plates very last and then screw them together every 4 into one or more to help resist the warping and unscrew as needed. Let it plumb by holding the level at the edge.
Basement Framing Bottom Plate. When you removed the scrap piece youd end up with a 12 or larger half round tunnel that wouldnt be prone to cracking in the corners of a square cut. With your marks facing the room raise the top plate to match with the bottom plate.
Step 6 Install Blocking. Do this in a few areas and take your smallest measurement subtract 3 for your top and bottom plate then cut all of your studs to this length. Do this in all ends and mark a straight line using chalk between the marks.
Layout your wall on the floor line up your studs with the Xs you marked out earlier and nail your studs in from the top and bottom of your plates. Since the base plate of your framing comes into contact with the cemented floor use pressure-treated lumber as it is less susceptible to decay or water damage. I use Tapcon concrete screws to secure the wood to the floor.
Tapcon Screws – Pre-drill base plate and concrete and then secure to the floor with Tapcon screwes. I do believe the foam sill seal product would prevent the need for treated bottom plates. Powder Actuated Hammer – a tool which fires a 22 caliber shell loaded with a nail.
If you have roomplace bottom plates to floor standing off wall an inch or sosquare plates to one anotherthen shoot in with ramset or the like then build walls on ground14 to 38ths inch shorter than measurement of wall minus. Im full time builder for a large construction company in New Hampshire. Measure and cut the base plate and the top plate consistent with the length of the wall.
Possibilities for securing the wood framing to the floor. After you snap a line and fasten your top plate plumb up again and mark the location of your first stud on both plates. If the bottom plate is pressure treated wood sill foam is not necessary.
BOTTOM PLATE BASEMENT FRAMING Once you have decided on a basementframing layout the next step is to mark it on the slab using a chalk line. That has been my latest tip. So you must treat the plate.
The block is nothing more than a 2 x 6 or fire-rated drywall turned flat and attached to the bottom of the first floor joists. The plate has not been fixed to anything yet so no tapcons or ramset into the slab which could provide a path for moisture to come up through. When framing rough door openings for your new basement walls its a standard practice to cut-out the treated bottom plate in the rough door opening after the wall has been built and fastened into final position.
To do this Id temporarily screw a 2nd plate scrap piece to the bottom of the new plate drill through both of them with a 1 or larger spade bit. These chalk lines are the ones you use as a guide to position the pressure treated bottom plates that will be used to align the walls. Recognizing Code-Compliant Treated Wood.
Building Inspector was okay with that method. Im also a licensed civil and structural engineer with extensive experience in civil and structural design and home construction.