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Hi Jason – excellent question! Your heat sealing looks great. The bond strength between the TPU layer and the woven fabric is slightly less in the 450 GSM fabric than the 250 GSM fabric, so this is to be expected. (In the packrafts, the tube-to-floor joints are designed to minimize peeling forces, so don’t worry about this.) I will add a note to…[Read more]

Hi,

I have a question regarding the 450GSM material: Regardless of technique/temp etc the TPU on the 450GSM lifts off when I am doing a “pull apart test”. I have included a picture to help show my meaning. When there is a long run pulling left/ right away from the other yellow the bond is really very strong but as soon as I pulled from the bot…[Read more]

Hey Guys and Gals

Received my 2 Twelka kits (red and yellow) packrafts. Just practicing welding. So far so good but only time will tell.

Thanks for the detailed comments! I’m working on ways to make the cut lines better in the Ultralight fabrics… it’s pretty difficult on those thin fabrics. Thanks for the tip about placing the darker fabric under the tube fabric – I’ll add that to the instructions.

I’ll add a note to the pressure fit valve product page indicating that if people…[Read more]

I know a number of people have added zippers to both of those brands and it should work the same way. Cheers!

It’s the same – just a bit cheaper to change the plug. Cheers!

@rookienewbie Yes, it should work exactly the same. Cheers!

Does anyone know where to find the heavier nylon with tpu on both sides that Matt mentions?It is used as the floor and is 735 gsm , 1000d I beleive.

Thanks?

Is there a difference between finding a china to us travel adapter vs modifying it as Matt has shown for the aliexpress leather iron? It seems easier to just plug to an adapter vs taking it apart. I do not understand electricity well.

Thanks!

If we use a travel adapter, would it work as well as the way that Matt modifies that same iron?

I think a try with a so called transfer tape could probably be a solution for this. I’m using 3M’s 9472 LE transfer tape to glue Dyneema for folding kayak hulls. The tape is expensive, but easy to apply, and the bond is very strong. I used it some days ago to glue two pieces of tpu coated nylon together. The tape connects the two tpu coated sides.…[Read more]