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Run: Vinyl Window Frame Weld Strength Inspection

Use this vinyl window frame weld strength inspection template to verify corner fusion, cleanup, and visible defects before frames leave the shop. It helps ca...

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Inspection Details

Frame identification recorded

Record the frame model, size, lot number, and work order or serial number.

Inspection stage confirmed

Select where this inspection is being performed in the process flow.

Inspector name and date recorded

Enter the inspector name and inspection date/time.

Reference specification available critical (required)

Verify the applicable drawing, work instruction, or acceptance criteria are available at the point of inspection.

Yes No N/A

Corner Weld Integrity

All welded corners show full fusion with no visible separation critical (required)

Inspect each corner for continuous fusion at the weld line with no open seam, gap, or visible delamination.

Yes No N/A

Photo evidence (optional)

Corner weld bead is uniform and consistent

Rate the uniformity of the weld bead appearance across all inspected corners.

No evidence of weak weld, cold weld, or incomplete fusion critical (required)

Check for signs of insufficient fusion such as brittle-looking seam, uneven melt, or corner pull-apart risk.

Yes No N/A

Photo evidence (optional)

Corner alignment and squareness within tolerance

Measure corner squareness or diagonal variance as defined by the product specification.

Weld flash does not interfere with structural corner area

Verify excess flash does not mask a defect, prevent proper fit, or indicate poor fusion at the structural corner.

Yes No N/A

Corner Cleaning and Finish

Corner cleaning completed without gouges or damage critical (required)

Inspect cleaned corners for scratches, gouges, burn marks, or tool damage that could weaken the frame or affect appearance.

Yes No N/A

Photo evidence (optional)

Residual flash removed to specified finish standard

Verify residual weld flash has been removed to the specified finish standard without exposing defects or thinning the corner.

Yes No N/A

Corner surface is clean and free of debris, dust, and loose PVC particles

Check that the corner area is clean and ready for downstream assembly, glazing, or packaging.

Yes No N/A

Defects and Non-Conformance

Cracks, voids, or burn-through present at weld area critical (required)

Identify any cracks, voids, burn-through, or other weld discontinuities at the corner.

Yes No N/A

Photo evidence (optional)

Evidence of corner pull-apart or separation under handling critical (required)

Check for movement, separation, or visible opening at the corner that suggests inadequate weld strength.

Yes No N/A

Photo evidence (optional)

Disposition and Sign-Off

Inspection result critical (required)

Select the overall disposition of the frame after inspection.

Note (optional)

Corrective action documented

Describe the corrective action, containment step, or disposition for any non-conformance found.

Inspector signature

Inspector confirms the findings are accurate and complete.

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