Position the snap line across the marks that indicate one of the wall s ends and snap a line to lay out the.
Raising framed wall with concrete slab.
Sills and sleepers on a concrete or masonry slab that is in direct contact with the ground unless separated from such slab by an impervious moisture barrier.
Raise slab high enough to slide in the foam in manageable pieces.
Drive nails through the bottom plate into the concrete two at a time every 10 to 12 inches with a powder actuated nail gun.
Run a chalk snap line.
Then fill the holes in the slab with hydraulic cement.
Make sure the plate will be at the edge of the concrete or framed floor so the sheeting on the wall will go over the edge.
Put a mark at each end of the wall.
Exterior wall on slab must be out on the edge.
The first step in building exterior walls is to mark the wall location on the floor with a chalk line.
How to build a wall on a concrete slab step 1.
Drill at least 1 4 inch deeper into the concrete than the fastener s embedment and suck dust out of the hole with a shop vac.
Framing a wall on concrete slab floors is different than wood.
When you buy the screws you ll also need to get a special bit that makes a pilot hole matched to the fastener.
No need to cover the entire area beneath the slab with foam covering about 1 2 of the area or more will be enough.
Masonry screws are an easy solution to concrete fastening chores.
Your local building code may call for the wall to be anchored to the slab with threaded rods.
An exterior wall must be placed on the outside edge of the slab so the exterior siding laps down and over the edge of the slab.
Stretch a tape measure across the concrete slab and mark the position of the wall s ends.
Measure back from the edge 3 1 2 inches for 2x4 walls and 5 1 2 inches for 2x6 walls.
The ends of wood girders entering exterior masonry or concrete walls having clearances of less than 1 2 inch 12 7 mm on tops sides and ends.
Remove the curb and clean the slab thoroughly with a wire brush.
Secure the top plate to the joists above again two at a time wherever.
This prevents water from leaking under the bottom of the wall to the inside of the building.
Learn how to frame a wall and set it on anchor bolts.