Exterior Wall Thickness Concrete

Width w thickness t spacing and web thickness refer to figures r608 3 2 and r608 3 3.

Exterior wall thickness concrete.

Ubc specified minimum thickness of exterior basement wall and foundation wall to be 191mm. The appropriate depth of the wall depends on several factors and there is no single standard for every home. 4 2 exterior basement wall and foundation wall. For flat walls the weight is based on the nominal thickness.

N a indicates not applicable. Exterior wall thickness depends on siding material. Concrete foundation walls support the home standing above so any weakness can undermine the stability of the house. The recommended maximum is 12 inches.

If load bearing masonry wall is strengthened or stiffened by reinforced concrete floors or masonry cross walls at a distance not greater than 3 65m 12 ft then it is possible to adopt thickness of 304 8mm 1 ft for maximum wall height of 21 33m 70 ft. Wall weight is based on a unit weight of concrete of 150 pcf. 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. The structural wythes are typically 6 8 or 10 thick with the insulation being 2 to 4 thickness.

Concrete blocks used in walls should be sound and free from cracks and their edges should be straight and true. The tabulated values do not include any allowance for interior and exterior finishes. They can be manufactured in a variety of sizes and finishes. In addition concrete s dampening quality limits the vibration to exterior walls when doors or windows are slammed for example.

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. 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. The thickness of interior walls is dictated by stud width and wall covering. The thickness or depth of concrete basement walls plays an integral role in their long term strength and durability.

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.