Frequent question: Can you install a door without shims?

Why do doors need shims?

When shimming the door, the goal is to make sure that, once the frame is nailed, the gap between the door and the frame is equal all around the door. Most pre-hung doors come with a 1/8-inch gap between the door and the frame on the hinge side and the top.

When installing door jambs shims should be installed approximately?

Usually the rough opening allows for about 1/2 in. of shimming on each side of the frame. If the rough opening is extra wide, you can use fewer shims by tacking scraps of 1/2-in.

What are shims used for?

A shim is a thin and often tapered or wedged piece of material, used to fill small gaps or spaces between objects. Shims are typically used in order to support, adjust for better fit, or provide a level surface.

How much space should be between door and frame?

When creating a door rough out, the minimum distance from the corner to the door is 3 inches on the rough framed walls. Keep in mind that you are also accounting for drywall, so 4 inches is probably best. You should also allow 4 inches of room for perpendicular walls to allow room for the door jamb, stud and a jack.

What does Shim stand for?


Acronym Definition
SHIM Sexual Health Inventory for Men
SHIM South Hills Interfaith Ministries (Pennsylvania)
SHIM Self-Heating Individual Meal
SHIM System Health and Intrusion Monitoring (computer security project)
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