How Thick Should Exterior Walls Be?

Answer:

When it comes to standard building materials, masonry walls tend to be the thickest, and the maximum recommended thickness for walls up to 70 feet high is 12 inches. Add an extra 4 inches for each additional 70 feet in height.

Answer:

Interior walls are usually about 4 1/2 inches thick and exterior walls around 6 1/2 inches. If you’re about to draw floor plans for an existing home measure the thickness of the walls at the doors and/or windows. Considering this, how thick is a typical wall?


Benefits of Outrageously Thick Walls, and Why Thin Walls Should Go Out Of Fashion


Frequently Asked Questions

How thick should outside walls be?

Interior walls are usually about 4 1/2 inches thick and exterior walls around 6 1/2 inches. If you're about to draw floor plans for an existing home measure the thickness of the walls at the doors and/or windows.

How thick should walls?

A two-by-four wall stud is 3 ½ inches wide, and an interior wall typically has ½-inch drywall installed on both sides, bringing the wall thickness to 4 ½ inches. Walls that contain plumbing, such as walls behind sinks, however, should be thicker than standard walls.

How thick should my concrete wall insulation be?

How thick is the Core Concrete, insulation, etc.? And what tolerances should I have for drywall to go over the walls? ICF block comes in core sizes of 4, 6 and 8 inches, and the insulation is 2.5 inches per side.

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