Guaranteed to last a lifetime

The shell of an Arctic spa is undoubtedly the core of our design, and as such, is uniquely designed to handle this function.

We begin by vac-forming sheets of premium Aristech® Cast Acrylic, transferring thousands of hours of mould design and engineering into a tactile form. Now unmistakably an Arctic spa, we hand apply layer after layer of a proprietary filler-free fiberglass composite material to give this form its legendary strength.

We apply more fiberglass than anyone else in the business – and no cost-saving shortcuts are taken; no plastic backing, no props or supports, and no foam is ever applied to our shell. After numerous procedures to check strength and alignment criteria, shells head to our state of the art water-jet robotic and CNC cutting stations for trimming.

The result is a perfect blend of strength and accuracy – and the backbone for the application of cutting edge technology that is signature Arctic Spas®. We are so confident in the strength of our hot tubs, we offer a Lifetime Warranty on the structure of our hot tubs. Please see our Warranty Document for more details.


Is it more costly and labor intensive to build a shell this way?… absolutely. But we believe it to be the best way, and that has always been our pursuit.