R19 insulation is 6.25 inches thick. This type of insulation is typically made from fiberglass and is designed to provide substantial thermal resistance, with an R-value of 19. It is commonly used in residential and commercial buildings to enhance energy efficiency and comfort.
Spray foam insulation costs between $1,300 and $3,700 for a typical home, depending on the size and type of foam used.
The main difference is in installation; batt insulation comes in pre-cut pieces, while roll insulation is installed by rolling it out between ceiling joists.