Therma-Tru Fiber-Classic, Smooth-Star manual Frame Installation

Frame Installation

Check rough opening as follows and correct if necessary:

• Sub-floor to be flat, level, and clean. Sill must be supported throughout its entire length.

•All four corners to be square. Check with a framing square.

•Framing and walls to be plumb. Use a 6-foot level to check both sides of opening.

•All wall surfaces to be straight and sides parallel.

•Opening to be correct size. Allow 3/8" on sides and ½" at head.

Wall

straight?

Check each side both ways.

Wall straight?

Check all four corners with square.

Check floor under sill.

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