Thermally Modified Spruce vs. Thin-Wall Kit Saunas: Why Wall Thickness Matters (SaunaLife CL5G Review)
The thing nobody mentions when they're selling you a kit sauna You're comparing specs. Tab after tab. Forum thread after forum thread. And almost every sauna listing says something like "premium construction" or "built to last" — without ever telling you what the walls are actually made of, or how thick they are. Here's what actually matters: wall thickness and what the wood has been through before it became your sauna. Most budget kit saunas run walls somewhere around an inch thick. Sometimes less. That's the number nobody puts in the headline. And that gap — between a true 1.7-inch thermally modified wall and a thin-wall kit — is where the difference between a sauna you use for a decade and a sauna you're selling on Craigslist in three years actually lives. What "thermally modified" actually means The SaunaLife CL5G's side walls are built from solid thermally modified wood staves. That phrase gets thrown around a l...