board construction
foam type
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All surfboards utilise an inner foam core to ensure the end product has sufficient buoyance. Foam cores are shaped and refined from a foam blank and made of two foam types:
a) P o l y u r e t h a n e (PU)
b) P o l y s t y r e n e (EPS)
(PU is a heavier foam compare to EPS)
stringer
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This acts as the back bone or spine of the surfboard, providing extra strength and rigidity. Stringers can be made from wood types such as bamboo, balsa, paulownia/play or PVC.
fibreglass cloth
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Foam is too weak on its own so a fibreglass cloth is added as a layer (or 2 or 3) to the entire board both on top and at the bottom.
resin
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a) P o l y e s t e r R e s i n
This is a cost effective option, however this is more susceptible to cracks and dings. (used with PU foam blanks)
b) E p o x y R e s i n F i b r e g l a s s
This is more resistant to cracks and dings but is a more expensive option. This option is suitable to XPS and EPS blanks to keep them from breaking or dissolving.
other strengthening materials
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a) C a r b o n F i b r e
Using carbon fibre during the manufacturing process offers a strong and ding resistant surfboard. This means life expectancy of your board will be greatly extended.
b) B a m b o o
Apart from providing additional strength, being environmentally friendly is a great benefit. Bamboo is light, durable and offers greater resistance to dings.