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Materials and technologies

Discover the world of saunas and wellness. Our dictionary will help you understand all the important terms and concepts related to sauna use.

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Gelcoat Surface Finish

Gelcoat is a protective and aesthetic surface layer applied to composite materials, particularly the fibreglass structures of hot tubs, pools and cooling tubs. It is a special polymer resin applied as the first layer in the mould, before the fibreglass reinforcement is applied. Once cured, it forms a smooth, non-porous and durable surface that is […]