What insulation has the best R value?
rigid foam
The type of insulation with the highest R-Values, with a few exceptions, is rigid foam or panel insulation. Also called “foam board” or “continuous” insulation. Most varieties of this type of insulation consist of expanded foam sandwiched between two rigid panels.
What is the most efficient wall insulation?
However, if you’re remodeling an existing home, spray foam is probably the best option for maximum energy efficiency. Loose fill cellulose or fiberglass can also be sprayed into existing structures.
Is R30 insulation better than R19?
Inside your home, the warmer air is higher pressure air, and wants to move, or transfer to lower pressure, cooler air outside. Insulation in your walls and ceilings slows down this heat transfer. So R19 is better insulation than R13, and R30 is better than R19. The larger the R value, the better the insulation value.
What is the thinnest most effective insulation?
Thermablok® Aerogel
Thermablok® Aerogel is a revolutionary advancement in thermal technology offering the thinnest insulation available to prevent thermal and cold bridging. Classed as a Super Insulation, Aerogel has the highest insulation value of any known material with the lowest thermal conductivity value of any solid (0.015W/mK).
What type of insulation is best for walls?
In most wall applications, you will use R-13 or R-15 kraft-faced fiberglass insulation rolls for these two-by-four stud walls. While rated differently, these two types of insulation are close enough in thickness that they can both fit into modern two-by-four wall systems.
What is the R-value of 2 inch foam board?
A wall utilizing STYROFOAM T-MASS Technology with a 2-inch exterior layer and a 4-inch interior layer of concrete along with a 2-inch layer of STYROFOAM extruded polystyrene insulation would result in a material R-value of approximately 11.33.
What kind of insulation should I put in my bonus room?
Spray foam provides an air-tight thermal boundary between your bonus room and the unconditioned air space in your attic. This insulation should only be installed by trained professionals. Inappropriate mixture or application can result in suboptimal insulating results and hazardous fumes.
Where to put spray foam in bonus room?
Spray foam can be installed on the underside of the bonus room floor in the garage. The benefit of spray foam for this area is its sound dampening qualities. Spray foam will also help keep the temperature regulated as it will cut off the air from the garage making its way into the bonus room.
What to use for bonus room above garage?
You have two options for the ceiling of your garage, which is the floor of your bonus room – spray foam and fiberglass. The fiberglass batts can be cut to fit the cavities of the garage ceiling. They have to be cut so they fit perfectly into the cavities.
What to put in attic above bonus room?
The other option for the attic above your bonus room is fiberglass. The fiberglass batts need to be cut to perfectly fit into the cavities of the attic flat. If not, then even more air will leak out through the attic.