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THURSO SURF inflatable paddle boards are extremely durable and designed to withstand heavy use. Despite this fact, there’s always the slight possibility that your board could develop a small air leak at some point in the future.

One of the big advantages of inflatable SUPs is that they are so easy to repair. Unlike hard boards which require costly and time consuming shop repairs, you can quickly and easily patch your own board and be right back on the water in no time.

Comes with every THURSO SURF iSUP is an inflatable paddle board repair kit which includes PVC patch material and a small brush for applying the glue. Due to government regulations, adhesive is not included in the repair kit but it’s inexpensive and readily available.

In this article, we’ll show you all steps in the iSUP repair process. While this may seem like an intimidating task at first, you’ll quickly see just how simple it is.

STEP 1: Safety first.

The process of repairing an inflatable paddle board leak involves the usage of very strong chemicals. We highly recommend that you perform the repair in a well-ventilated, outdoor area. Also, since you will be handling glue and cleaning agents, it’s best to use a pair of rubber gloves to avoid skin contact.

STEP 2: Purchase glue.

There are a wide variety of glue options that have been specifically designed for iSUP repairs. After selecting and purchasing the glue, be sure to read the instruction label to familiarize yourself with the product’s application details. The one we use is called MEK (Methyl Ethyl Ketone).

STEP 3: Partially inflate your board to 7-10 psi.

In order to pinpoint the exact location of the leak, partially inflate your iSUP to 7-10 PSI. It’s important to do this before moving on to step 4.

STEP 4: Apply soapy water to the area where the suspected leak is located.

After partially inflating your board, apply soapy water to the area where you suspect the air leak is located. If a leak is present, the soapy water will begin to bubble up in that area, making it easy to find the exact spot requiring a repair.

STEP 5: Mark the leak area with pencil.

Using a pencil, mark the area on your board that is leaking air.

STEP 6: Clean area thoroughly.

Apply acetone or alcohol to the entire surrounding area that requires repair to clean it thoroughly. Keep in mind that this is strong stuff, so remember to wear gloves and work in a well-ventilated area.

STEP 7: Place the patch over the leaking area and cut to size.

Next, take a piece of patch material that’s included with your THURSO SURF iSUP repair kit and place it over the leaking area on your iSUP. Before marking the patch with your pencil and trimming to size, it’s important to note that the patch should extend approximately three inches beyond the source of the leak in all directions. Once you’ve got the patch trimmed and placed in the optimal position on your board, grab your pencil again and trace around the edge of the patch — this will show you exactly where to apply the glue in step 8.

STEP 8: Apply glue to both the patch and the area inside the traced line on your board.

Using the small application brush that is included with your THURSO SURF repair kit, apply the iSUP repair adhesive that you purchased to the matte side of the patch and the area inside of the traced line that you drew on your board. Apply the glue carefully, doing your best to stay inside of the traced line as this will minimize mess and required cleanup.

STEP 9: Allow to dry.

Following the instructions that came with your repair adhesive, allow both areas where you applied the glue to dry. Once the required drying time has passed, proceed to the next step.

STEP 10: Carefully place the patch over the damaged area.

Using the traced pencil line as your guide, carefully place the repair patch onto the area and lay flat. Apply the patch slowly, starting at one edge and working your way all the way to the other side. As you lay the patch down, make sure that it is completely flat and that there are no air bubbles under the surface.

STEP 11: Smooth out excess glue and air bubbles.

Next, use a spoon or other blunt object to smooth out any excess glue or air bubbles that are trapped underneath of the patch. Work in all directions, starting at the center of the patch and moving outward to the edges.

STEP 12: Clean off excess glue.

Grab the cleaning agent that you used for step 6 and apply it to the repaired area to remove any excess glue. This is the final step of the repair process, and the end result should be a neat, clean patch that is securely glued to your board.

STEP 13: Allow the repair to dry.

Last but not least, be sure to give your newly repaired board 24 hours to dry before fully inflating it. After a period of 24 hours has passed, your board should be airtight once again and ready to use.


We at THURSO SURF hope that this step-by-step iSUP repair guide has been helpful. As you have seen, the process of repairing an inflatable SUP leak is super simple and something that literally anyone can do. There’s absolutely nothing to be intimidated about, and you’ll be back on the water in no time!

PRO TIP: Before you begin the task of repairing your board, it’s a good idea to read through the above steps one more time just to ensure that you fully understand each part of the process. Also, please remember to work safely by performing all repairs in a well-ventilated area while wearing rubber gloves.

Happy paddling!

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