treated with a fire retardant. Three main types of blow-in cellulose insulation are used in residential application: loose ...

Closed-cell polyurethane spray foam has some pretty awesome qualities. It has a high R-value. Its resistant to water ... need ...

Open cell spray foam remains soft once set and is only used for insulation. It is more breathable but is often installed where a highly-resistant underlay like bitumen felt is already present ...