R-Seal® is a durable rigid board product designed for use in roofs and walls of new construction and retrofit applications. It is the only rigid insulation system specifically engineered for metal buildings and the field concerns of metal building erectors.
How do you insulate an existing metal roof?
- Install plywood to act as structural roof sheathing. ...
- Place layers of building paper over the sheathing. ...
- Install rigid foam insulation over the entire surface of the roof. ...
- Use duct tape to seal the seams and further protect against moisture/air leaks.
How do you insulate an old metal shed?
- Measure the wall, ceiling, and floor area of your metal shed.
- Remove internal wall sheathing, if necessary.
- Using closed-cell spray foam, coat the walls in 2-inch layers.
- Let the foam dry between layers.
- Apply closed-cell spray foam to ceiling in the same manner.