Low in cost and easy to install, foam board insulation is generally made of polyurethane, polystyrene, or polyisocyanurate.

Polystyrene insulation is used to make foam boards or spray foam insulation. The foam board is used to cover the exteriors of buildings (under roof shingles or siding) while spray foam is used to ...

x 8 ft. polystyrene foam board with an R-value of about for will run you around $14. Radiant barriers, also known as reflective barriers, are different from most other types of insulation ...

and expanded polystyrene (EPS), which is often the cheapest. Cons: Foam board insulation can be harder to install snugly in unusually shaped spaces, leaving gaps for air to flow. To create an ...

Spray foam insulation is more expensive than other types of insulation, such as mineral or glass-wool, polystyrene slabs or expanded polystyrene ... correctly and should be assessed by the British ...

The advantages in energy efficiency, however, are undercut by environmental concerns over polystyrene products ... Tailorable thermoplastic insulation foam composites enabled by porous-shell ...