This calculator determines the linear feet of 4 foot wide foil vapor barrier needed for your sauna. It accounts for all walls and ceiling coverage, plus 6 inch overlap at seams for proper vapor barrier installation. We recommend adding overage for cuts, mistakes, and future repairs.
We have foil vapor barrier in stock at all times. Visit our Shopify website shop.saunasupplyco.com to order online.
We build saunas the way they should be built—with Finnish expertise and Minnesota craftsmanship. Our team doesn’t just sell saunas; we use them daily, understand their construction inside and out, and have helped over 250 families create their perfect sauna experience—whether through a fully custom done-for-you sauna, DIY sauna kit or a modular system.
Every sauna we build reflects decades of combined experience in woodworking, construction, and traditional sauna design. Our builders handle projects from compact home saunas to luxury custom installations, ensuring precise construction and authentic performance every time.
Before you invest, visit our showroom to experience authentic sauna heat. Feel the difference quality materials and proper construction make. Talk with specialists who understand löyly, ventilation, and the details that separate a great sauna from an expensive disappointment.
Our 50+ five-star reviews on Google come from customers who’ve experienced the difference professional guidance makes—from initial design through your first sauna session.
From first-time buyers navigating their options to Finnish families honoring tradition, our customers tell it best. Read what verified reviewers say about working with us. Read 50+ 5 star customer reviews on Google here.
Experience the difference quality makes at our Cokato sauna showroom, where you can see, touch, and even try our saunas before deciding.
Explore custom indoor, custom outdoor, and modular models to compare construction, feel the authentic heat, and experience different wood types—whether it’s the aromatic Western Red Cedar, clear Canadian Hemlock, traditional Nordic Spruce, or more.
Our sauna specialists are here to answer questions, explain the differences between modular and custom builds, and help you visualize how a sauna fits into your space and lifestyle. Many customers tell us their showroom visit completely changed their understanding of what they wanted—there’s no substitute for seeing and sitting in a sauna before you buy.
Visit us at 500 Cokato St W, Cokato, Minnesota. Our standard business hours are 8AM-5PM CST. View our Google Business Profile for updated and holiday hours, or call 612.505.9700 to schedule an appointment.
Our sauna specialists offer personalized guidance. Get expert recommendations tailored to your space, budget, and wellness goals. We’ll reach out to you about your project after you submit a form.
