# What is the best material for surfboard blanks

**URL:** https://foil.zone/t/what-is-the-best-material-for-surfboard-blanks/6037
**Category:** Foils & Boards
**Created:** [October 22, 2019, 7:47pm UTC](https://foil.zone/t/what-is-the-best-material-for-surfboard-blanks/6037 "2019-10-22T19:47:47Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![superlefax](https://foil.zone/user_avatar/foil.zone/superlefax/32/13626_2.png) [@superlefax](https://foil.zone/u/superlefax)
#### Post date: [October 22, 2019, 7:47pm UTC](https://foil.zone/t/what-is-the-best-material-for-surfboard-blanks/6037/1 "2019-10-22T19:47:47Z")

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Hi guys,

I want the feed the CNC for making a nice surfboard shape. What core material would you recommend?  
I’ve heard that XPS is quite a good option:

[https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=3&cad=rja&uact=8&ved=2ahUKEwiCucH40LDlAhXDfFAKHQ50A48QFjACegQIAhAB&url=https%3A%2F%2Fwww.obi.de%2Fgeschaeumte-daemmstoffe%2Fxps-daemmplatte-jackodur-kf300-standard-gl-40-mm%2Fp%2F6563654&usg=AOvVaw1VYyliig6NbWT\_5\_rjPzud](https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=3&cad=rja&uact=8&ved=2ahUKEwiCucH40LDlAhXDfFAKHQ50A48QFjACegQIAhAB&url=https%3A%2F%2Fwww.obi.de%2Fgeschaeumte-daemmstoffe%2Fxps-daemmplatte-jackodur-kf300-standard-gl-40-mm%2Fp%2F6563654&usg=AOvVaw1VYyliig6NbWT_5_rjPzud)

Any better options?

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### Author: ![V\_S](https://foil.zone/user_avatar/foil.zone/v_s/32/6616_2.png) [@V\_S](https://foil.zone/u/V_S)
#### Post date: [October 22, 2019, 8:45pm UTC](https://foil.zone/t/what-is-the-best-material-for-surfboard-blanks/6037/2 "2019-10-22T20:45:00Z")

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[Austrotherm](https://www.baywa-baustoffe.de/b2c/de/rohbau/d%c3%a4mmung/perimeterd%c3%a4mmung/xps/austrotherm-xps-top-p-gk/p-000000000000291379/) or [Jackodur](https://www.kemmler.de/sortiment/produkt/jackodur-kf-300-gefiniert/-/1250x600x160mm/2076310014) are very similar.

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### Author: ![tylerclark](https://foil.zone/user_avatar/foil.zone/tylerclark/32/3_2.png) [@tylerclark](https://foil.zone/u/tylerclark)
#### Post date: [October 22, 2019, 10:01pm UTC](https://foil.zone/t/what-is-the-best-material-for-surfboard-blanks/6037/3 "2019-10-22T22:01:32Z")

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5 lb or 8 lb foam works great. I’ve made a few boards. 2 lb foam works OK too, but it’ll dent easy.