Bozeman & Big Sky, Montana

Handcrafted backyard sanctuaries.Built for the way you live.

Custom contrast therapy studios. Finnish sauna, cold plunge and training space integrated into one structure, built into your backyard. From first sketch to the final light switch, design, permitting, construction and install all run through a single point of contact.

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The Retreat — Finnish sauna, home gym and cold plunge on a covered deck at dusk
The Studios

Three footprints. One standard.

Every retreat is a true Finnish sauna with heater, stones and löyly, paired with a cold plunge. Choose the footprint; we handle the rest.

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Finnish sauna interior with HUUM heater, tiered cedar benches and a forest window
Why Fuller Frameworks

Engineered for function. Designed for recovery.

A mechanical engineer’s approach to contrast therapy, built for Montana winters and designed to remove every excuse not to use it.

About the founder
Start the conversation

Ready to build your retreat? Let’s talk.

Tell us about your space and what you’re picturing. We respond to every inquiry within 48 hours.