Standard 2 by 4 studs are 3 1 2 inches wide and drywall is 1 2 inch thick so interior walls are usually 4 1 2 inches thick.
Exterior wall thickness concrete.
Exterior wall thickness depends on siding material.
The thickness of interior walls is dictated by stud width and wall covering.
In addition concrete s dampening quality limits the vibration to exterior walls when doors or windows are slammed for example.
Width w thickness t spacing and web thickness refer to figures r608 3 2 and r608 3 3.
It is better to construct exterior walls of 8 thick concrete block.
Minimum thickness of walls 4 1 bearing walls.
Concrete foundation walls support the home standing above so any weakness can undermine the stability of the house.
Concrete blocks used in walls should be sound and free from cracks and their edges should be straight and true.
They can be manufactured in a variety of sizes and finishes.
The nominal width of blocks for exterior walls and load bearing interior walls should be a minimum of 6 inches and the face shell a minimum thickness of 1.
Ubc recommends minimum thickness of bearing wall to 1 25 supported height or length whichever is shorter or not less than 102mm.
These enhancements can add about 0 70 per gross square foot of wall area which accounts for an increase of about 20 in the cost difference between icf and standard wood frame construction see the table below.
For flat walls the weight is based on the nominal thickness.
Ubc specified minimum thickness of exterior basement wall and foundation wall to be 191mm.
The structural wythes are typically 6 8 or 10 thick with the insulation being 2 to 4 thickness.
The recommended maximum is 12 inches.
Spancrete wall panels can be installed vertically or horizontally for shear walls load bearing non load bearing insulated or non insulated interior or exterior walls.
4 2 exterior basement wall and foundation wall.
The appropriate depth of the wall depends on several factors and there is no single standard for every home.
The thickness or depth of concrete basement walls plays an integral role in their long term strength and durability.
N a indicates not applicable.