House Framing

FRaming Terms

House Framing Popping Out
The Foundation
"Popping out the foundation" is a
construction jargon term that refers to
popping chalk lines for the location of walls
on the foundation. Before any walls can be
raised it is very important to make sure the
foundation is square. Square is a term is
used in framing and means that all the walls
in a house or room that form a square or
rectangle will be the correct dimension and
parallel. If a room or house foundation is
square, the diagonal measurements will be

Once the foundation is verified as being
square, the outside perimeter walls can be
popped out. The chalk lines for the outside
perimeter walls will provide a reference point
for pulling measurements and laying out the
interior walls. The main purpose of popping
out the foundation is to verify the foundation
is square and provide a visual reference on
the foundation of all the exterior and interior
walls in the house. Once this is done, this
will be a good time to make any changes in
room location or sizes. All room sizes should
be re-checked for size and room diagonals
checked for square before starting to lay out
the doors and windows.
Category Construction Glossary