Repairing a Tear in a Shell Jacket

Why a tear in a shell jacket can't just be sewn

A shell jacket keeps you dry because it has a thin membrane (Gore-Tex, for example) laminated to the outer fabric, often with a protective inner layer. It is this continuous barrier that stops water. Sew straight through a tear and the needle makes a row of tiny holes in the membrane – each one a place water can seep in – and the thread tension can drag on the laminate so it puckers or delaminates. That is why an ordinary seam is rarely the answer on shell fabric. The goal is to close the tear without making new holes, and to keep the membrane as intact as possible.

Small tears and holes: a self-adhesive patch

For clean tears, punctures and holes a couple of centimetres across, a self-adhesive repair patch (such as Tenacious Tape or a Gore-Tex patch) is the simplest and most durable fix. Done properly it can last for years, wash after wash. Here's how:

1. Lay the jacket flat and press the edges of the tear neatly together, so they meet without overlapping.
2. Clean the area with a little isopropyl alcohol (rubbing alcohol) and let it dry completely – the patch won't stick to dirt, grease or moisture.
3. Cut the patch at least 2 cm larger than the tear on every side, and round off the corners. Rounded corners don't lift as easily as sharp ones.
4. Place the patch over the tear on the outside, press firmly from the centre outwards to drive out air, and leave it under pressure for a while before wearing the jacket.
5. If there is an exposed membrane on the inside, a matching patch on the inner face can add security in high-stress spots.

Assess the tear: size, location and layers

Not every tear can be patched. Weigh up these three things before you decide:

• Size: a puncture or tear up to a few centimetres suits a patch. Long gashes and missing fabric do not.
• Location: a tear in the middle of a calm panel is easy. Over a seam, along the zipper, or in a joint that flexes a lot (elbow, shoulder), a patch takes a beating and lifts more easily.
• Layers: a 2-layer jacket has an exposed, vulnerable membrane on the inside; a 3-layer jacket has a protected inner face. If you don't know which you have, that's an argument for letting professionals assess it.

When a patch won't hold

Long gashes, tears in seams, damage along the zipper and tears in high-flex spots need more than a patch. The fix is usually a combination: the fabric is reinforced or rejoined in a way that doesn't needlessly puncture the membrane, and any needle holes are sealed with seam tape on the inside so the barrier is restored. If the jacket's original seam tape has also started to lift (delaminate), it should be re-sealed at the same time. This is technical work where the goal throughout is to keep the jacket waterproof – not just to close the hole.

After the repair: check the proofing

A repair closes the tear, but around the damage – and often across the whole jacket – the durable water-repellent (DWR) finish may be worn. Then the outer fabric soaks up water and feels clammy even though the membrane is intact. Do the drop test: if water beads and rolls off, the DWR is still good; if it soaks in and darkens the fabric, the jacket should be washed with a technical wash and re-proofed. Repair and fresh proofing often go hand in hand on a shell jacket that has seen hard use.

Send the shell jacket to us

If the tear is large, sits in a seam or along the zipper, or you're unsure about the fabric and membrane, you can send the shell jacket to us. We assess the damage and repair it according to the garment and its construction, aiming to keep the jacket waterproof – and can seal seams and refresh the proofing in the same round if needed. You order online from anywhere in Norway, and you see the price before you order.

Frequently asked questions