Insulation & Weatherproofing: Keeping Comfortable Year-Round
A tiny home's small volume means it heats up fast in summer and loses heat quickly in winter. Proper insulation is what makes the difference between comfort and misery.
Insulation Types Compared
| Type | R-Value/inch | Cost | Best For | Weight |
|---|---|---|---|---|
| Spray foam (closed-cell) | R-6.5 | $$$ | Walls, roof, trailer builds | Heavy |
| Spray foam (open-cell) | R-3.7 | $$ | Interior walls, sound dampening | Light |
| Rigid foam (XPS) | R-5.0 | $$ | Floor, exterior sheathing | Light |
| Mineral wool (Rockwool) | R-4.2 | $$ | Walls, fire resistance | Medium |