Replacing a Corner Joint

This story shows you how to replace a corner joint in a metal frame.

Screen and Storm Window Repairs

Metal storm and screen windows are frequent troublemakers, partly because they are often of poor quality and may have been hastily installed. You can sometimes -- but not always -- purchase replacement parts; manufacturers are often regional and may be out of business. For a tighter seal consider installing better-quality storms.

Prestart Checklist

Time
1 or 2 hours to make most repairs

Tools
Hammer, tape measure, utility knife, screwdriver, putty knife

Skills
General carpentry skills

Prep
Remove and inspect storm sashes. Contact manufacturers for parts as needed.

Materials
Screening and glass as needed

Replacing a corner joint: Step 1

Metal storm or screen sashes often loosen at the corners. Many joints simply pry apart; if needed use a putty knife to work the joint open. With some joints the fasteners may be held with a screw. Others are held with a crimp or two in the frame that you will have to drill out.

Replacing a corner joint: Step 2

Pry the joint completely open by twisting with a screwdriver. You may have to tap outward on the joint with a hammer to pull the corner apart.

Replacing a corner joint: Step 3

Push the old corner fasteners out of the frame with a screwdriver. Take parts to a home center or hardware store to find matching components. Failing that, try looking online.

Replacing a corner joint: Step 4

Push or tap the replacement fitting in. Replace any screws. Re-create a crimp with a hammer and a nail set.

Replacing a corner joint: Step 5

Slip the gasket over the edges of the glass and gently push the frame onto the glass and gasket.

Replacing a corner joint: Step 6

Push the frame pieces together. Tap lightly with a hammer if necessary. Drive in any retaining screws.


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