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New stove: Malm. The best steam on the market.
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Malm is our most solid product yet, built on feedback from thousands of customers and many hours in the sauna. It is designed for Näver and Björk and also fits first-generation tents.
The stove is made of stainless steel with a 2.5 mm thick firebox, 39% thicker than our previous stove. It is built to keep its shape season after season, and every part can be replaced.
The heat comes from the stones rather than the steel. The included stone basket surrounds the whole stove and holds 40 kg of stones, up to 60 kg. This gives soft, moist steam and less radiant heat, so you can sit closer to the stove without it getting too hot. Double combustion and a smoke deflector send more of the heat to the stones, and because the stones hold their heat for a long time, you use less wood. The tent and stones are warm after about 20 minutes in Näver and 25 minutes in Björk.
The taller chimney gives a better draught and reduces the risk of sparks reaching the tent fabric. The firebox takes logs up to 40 cm.
Despite the thicker firebox and larger stone basket, Malm weighs 23 kg (24 kg with chimney), 3 kg less than our previous stove. It packs into its own bag together with the folding legs and chimney pipes, so it is easy to take to the cabin, the beach or wherever the sauna is going.
Fits Näver and Björk.
Malm - Round sauna stove
- Folding legs
- Room for 40–60 kg of sauna stones
Dimensions and weight - Weight including chimney: 24 kg
- Height with legs folded: 36 cm
- Height with legs extended: 47 cm
- Diameter: 45 cm
- Circumference: approx. 140 cm
- Firebox depth: 40 cm
- Door width: 22 cm
- Door height: 17.5 cm
- Firebox wall thickness: 2.5 mm
- Stone basket wall thickness: 1 mm
Chimney - Chimney length: 2.8 m
- Total height, stove and chimney: approx. 3.25 m
- Pipe length: 37.5 cm (shorter pipe: 31 cm)
- Pipe diameter: 80 and 86 mm
Malm is our most solid product yet, built on feedback from thousands of customers and many hours in the sauna. It is made of stainless steel with a 2.5 mm thick firebox, 39% thicker than our previous stove.
The heat comes from the stones rather than the steel. The stone basket around the whole stove holds 40–60 kg of stones, which gives softer steam and less radiant heat. Fits Näver and Björk.
Malm stove
Malm is our most solid product yet, built on feedback from thousands of customers and many hours in the sauna. It is designed for Näver and Björk and also fits first-generation tents.
The stove is made of stainless steel with a 2.5 mm thick firebox, 39% thicker than our previous stove. It is built to keep its shape season after season, and every part can be replaced.
The heat comes from the stones rather than the steel. The included stone basket surrounds the whole stove and holds 40 kg of stones, up to 60 kg. This gives soft, moist steam and less radiant heat, so you can sit closer to the stove without it getting too hot. Double combustion and a smoke deflector send more of the heat to the stones, and because the stones hold their heat for a long time, you use less wood. The tent and stones are warm after about 20 minutes in Näver and 25 minutes in Björk.
The taller chimney gives a better draught and reduces the risk of sparks reaching the tent fabric. The firebox takes logs up to 40 cm.
Despite the thicker firebox and larger stone basket, Malm weighs 23 kg (24 kg with chimney), 3 kg less than our previous stove. It packs into its own bag together with the folding legs and chimney pipes, so it is easy to take to the cabin, the beach or wherever the sauna is going.
Fits Näver and Björk.
Malm - Round sauna stove
- Folding legs
- Room for 40–60 kg of sauna stones
Dimensions and weight - Weight including chimney: 24 kg
- Height with legs folded: 36 cm
- Height with legs extended: 47 cm
- Diameter: 45 cm
- Circumference: approx. 140 cm
- Firebox depth: 40 cm
- Door width: 22 cm
- Door height: 17.5 cm
- Firebox wall thickness: 2.5 mm
- Stone basket wall thickness: 1 mm
Chimney - Chimney length: 2.8 m
- Total height, stove and chimney: approx. 3.25 m
- Pipe length: 37.5 cm (shorter pipe: 31 cm)
- Pipe diameter: 80 and 86 mm
Enhance your sauna experience
Our stove and our Sauna Tent provide the warmth – but we don’t stop there. To truly elevate your sauna experience, we have developed a range of thoughtfully designed accessories.
From benches and weather protection to thermometers, buckets, and ladle – every detail is crafted to make your sauna sessions easier, more comfortable, and more enjoyable. Discover how the right accessories can transform every sauna moment into something truly special.
What is a sauna tent?
Learn more about our sauna tents — materials, specifications, and functionality.
What is a sauna tent?
Learn more about our sauna tents — materials, specifications, and functionality.
Our promises
Quality
Building a sauna isn’t rocket science, but making a good one requires good materials. Our sauna tents are built to last — with quality in every detail.
Heat
We guarantee heat. Our sauna tents give you the opportunity to enjoy temperatures above 100°C, no matter the weather outside.
Availability
The experience doesn’t end in the sauna — we’re with you all the way. Write or call us if you have any questions.
When you buy one of our sauna tents, we offer a 2-year warranty from the day you receive it.
Meet Malm
We’ve tested hundreds of sauna stoves. Malm is the result.
With a 2.5 mm thick firebox, we’ve extended its lifespan without compromising on portability. Twice as many stones means softer steam and less firewood.
Double combustion reignites the flue gases, so you get cleaner smoke and a large, even fire behind the glass. Every part can be replaced. Malm is built to last.
Check your spelling or try again with a less specific keyword.
No, our sauna tent does not require a building permit.
Yes — really hot. Our sauna tents can reach temperatures over 100°C.
The tent can be set up in under two minutes by pulling out its five sides in one motion. Once it’s up, secure it with stakes and storm lines. Bring in the stove and assemble the chimney parts. When the stove is stable, you can start the fire. In total, expect about 15 minutes to set up and get the sauna running.
Yes, it’s very common to keep our tents up year-round. However, in strong winds or extreme weather, we always recommend taking it down.
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What our customers say
We founded bast with the vision of making the sauna more accessible — not only the heat itself, but the whole experience. We take great pride in our quality, and just as much in our customer service.
We know that the best way to deliver great service is by creating great products — user-friendly and built to last. That way, if something ever goes wrong, we have more time to make things right.
We run bast together with our customers and continuously evolve to create a better experience — from the first question to the final steam.