Apply Radiant Barrier and Seal Joints
5:54
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How to Build a Sauna inside a Shed
What happens here
After installing the vapor barrier, apply a Reflectix radiant barrier over it. This reflective insulation helps to reflect heat back into the sauna, improving efficiency. Secure the radiant barrier to the studs and joists, ensuring that all seams are tightly sealed with aluminum foil tape or similar waterproof flashing tape to create a continuous barrier. This step is crucial for maintaining high temperatures within the sauna and preventing heat loss.
Tools and materials
- Flashing Tape (waterproofing tape
- e.g
- for windows)
- Reflectix Radiant Barrier
- Staple Gun
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