A good seal starts with a good cut. Here's how to size a cut-to-fit barrier correctly.
Measure the stoma
Use the measuring guide that comes with your supplies. Measure the widest diameter; for oval stomas, note length and width.
Cut the opening
Cut the cut-to-fit barrier 1–2 mm larger than the stoma — snug but not touching. Smooth any rough edges.
Apply
Fill creases with paste, warm the barrier in your hands, then apply to clean, dry skin and hold to seal.
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Frequently asked questions
Why cut slightly larger?
A 1–2 mm margin avoids rubbing the stoma while keeping skin covered.
How often should I re-measure?
Frequently in the first 6–8 weeks as the stoma settles, then periodically.
