How Thick Are Exterior Walls On Floorplans?


This will vary depending on the construction method of the walls. 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.

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Floor Plans: Exterior Walls

Frequently Asked Questions

How thick are normal outside walls?

External walls are generally 10 to 12 inches wide. Homes that are built with rammed earth or heavy exterior masonry will have thicker walls. There is no limit to how thick an exterior wall can be.

How thick should walls be in AutoCAD?

AutoCAD will draw lines whatever thickness or lineweight you want, depending on the drawing and many other factors. They are usually between . 05 and . 1 inch.

What should be the thickness of a floor plan?

generally floor plans indicate finished wall thickness. For most residential, the walls will be 3.5" + 0.5" + 0.5". Some walls, especially where plumbing will be run, will be thicker, so plan they are 5.5"+0.5"+0.5". Not sure why it matters to you though.

How big should a wall be in a floor plan?

Figure 6-10 A variety of line weights and types are used to depict specific kinds of wall construction in floor- plan drawings. thick in plan view. Exterior walls are drawn at about 6-8 inches (152-203 mm) thick, depending upon what materials they are constructed of.

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