What kind or foam Sheeting would be best suited for padding a helmet and other armor peices?

preston

Im making a custom helmet, and just needed to know what kind of foam, like polystyrene or polyethelyne or whatever is generally used to pad helmets. What would be the softest and coolest.

Answer
When I've done costume work, I pad first with Expanded Polystyrene Foam (the white compressed beads)... it's light, relatively STRONG, and easy to carve to the internal shape. You can also bore holes to reduce weight and increase ventilation. It's also what they use for impact absorption in bike, flight, motorcycle helmets.

I then add thin layers of closed cell soft polyurethane foam (like Memory Foam)... I get the sheets from a bicycle shop... intended for custom padding bike-helmets.

For helmets, I always use either chamois or synthetic chamois as a liner. I picked that up when I was a Navy Helicopter crewman... we had caps of chamois we wore under our helmets for the last layer of padding AND for the fact that they absorb the sweat.

My bike helmet is 1 inch too big, help please?

Chris

Besides returning it and getting the smaller size helmet, what are my other options? It is the Pro-tec The Classic Helmet and it is CPSC certified. The website I bought it from says it comes with two custom sizing pads for additional fit adjustment. Does anyone know what that is? Can i wrap paper or something around the inside of the helmet evenly so it will make it fit better?

Best answer goes to the person with the best and clearest answer
Thanks :)

Answer
If it's an inch too big, the sizing pads will not make enough difference. Return it and get a different size. If a bicycle helmet doesn't fit, it's not going to protect you in an accident.

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Title Post: What kind or foam Sheeting would be best suited for padding a helmet and other armor peices?
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