The Essential Trumpkin Sauna Cabin Kit

If you have been looking for sauna kit that follows Finnish and Trumpkin design, look no further. This is the perfect cabin structure you need to create an amazing sauna and upgrade your lifestyle. With proper ceiling height (8'4" high wall), and benches on the high wall.

This is a Finnish log cabin style structure, with stackable double tongue and groove log walls (38mm thick). It is the perfect size for 2-4 people recommended by Trumpkin's sauna notes, but it can sit up to 6 people. Use a wood stove, or electric, and install your 3 level benches! Perfect for the DIYer who wants to build a sauna without the hassle of traditional construction. This stackable log wall design comes with assembly instructions, and can be built much quicker than traditional construction.

You will want to install ventilation based on your stove type (electric or wood-fired)

Exterior Footprint: 8 feet x 8 feet (log wall corners overlap an additional 4 inches)

Interior floor space: 7' 9" x 7' 9"

Back Wall Height, Floor to Finished ceiling (strapping + t&g): 8' 4"

Front wall Height, Floor to Finished ceiling (strapping + t&g): 7' 6"

Wall thickness: 38mm (1.5 inches)

To the roof (including rafters, before t&g and insulation):

Back wall: 8' 10.5"

Front wall: 8' 1/2"

Wall thickness: 38mm (1.5 inches)

(See Product Photos for more)

• Double tongue and groove logs, cut to size and milled to fit together perfectly. With interlocking corner joinery
• Tongue and groove flooring boards
• Tongue and groove ext. roof boards
• Roof Beams that lock into wall notches, and handle heavy snow load
• Pre hung door, that slides into structure easily
• Door handle and hardware
• Fasteners (screws)
• 2 full benches, plus foot rest (finnish style), with one step stool (3 levels to get to a proper sitting height)
• Pre-cut Interior Ceiling T&G (Clear Pine)

We left some room for you to customize your build! As this is mainly a cabin kit with benches, there is quite of bit of other work you still need to do.

• Roof Covering Material (Steel roof, shingles etc.)
• Foundation Base
• Sauna stove (designed to fit both wood and electric) - check out our heater options, or source your own!
• Ventilation equipment for electric heaters (mechanical exhaust fan)
• Insulation & foil vapor barrier for interior ceiling.

Please contact us if you need help with any of this. We will do our best to help and point you to some good resources!

One of the main drawbacks of any sauna kit with solid wood walls is insulation, as thinner wood provides little R-value. However, the benefit is that you avoid complicated wall structures/vapor barriers that can lead to mold. You get to experience a log structure that sweats with you and can breathe!

We’ve designed this kit so that the ceiling can be fully insulated, which is crucial since most heat loss occurs through the ceiling. Proper insulation here makes a significant difference in performance.

Climate & Performance

• Cold Climates: If you experience harsh winters, you’ll notice a difference in ambient room temperature during colder months. However, with an insulated ceiling, this sauna has been tested to perform well even in -20°C Canadian winters. Generating plenty of steam can help offset heat loss.
• Mild & Warm Climates: If you live in a warmer region, the lack of wall insulation won’t be an issue—it’s mainly a matter of efficiency. Your heater may run more often to maintain temperature, but this also means consistently hot rocks and an endless supply of steam for a great sauna experience.

• Do It Yourself (DIY):

We have made this kit as easy to construct as you can get, even for an amateur builder. Although we would recommend consulting a professional for the deck/foundation. Feel the reward of building your own Sauna.

• Assembly Package (We Do It):

Just want this thing done? We get that. Contact us to see if you fall within our assembly region, and to book a site visit.

• Assembly Time:

The log structure itself can be built by 2 people in a weekend (or two 8 hour days). Foundation, roofing, ceiling, and heater install will take extra time. We recommend putting aside 4-5 days or a few weekends. Don't be fooled by other sauna companies claiming this is like an Ikea project!

• Shipping anywhere in the U.S and Canada
• Pickup in Canada (GTA), if you are close we will deliver for free!

This product usually ships on a flatbed truck. Please see our shipping policy