Performs r 38 13 option b vented attic in all california climate zones.
R 38 hp attic option b.
Owens corning blown in insulation is a diy friendly option best for adding insulation in an attic and can be installed on top of existing insulation in less than 1 5 hours shop precut 2x6 wall floor insulation for faster installation.
Ducts and air handler may be located in the attic install attic radiant barrier zones 2 3 5 7 r 38 insulation at ceiling r 30 in zones 3 5 7 install below roof deck insulation at rafter zones 4 8 16 r 13 with air space above insulation r 18 with no space.
R 38 ecotouch pink kraft faced fiberglass insulation batt 16 in.
Less labor walls and roof both done pre drywall downsize hvac equipment no o hagins ridge soffit or gable vent costs no radiant barrier cost no cost of air sealing can lights keeps out wildfire embers spray foam may actually cost.
R 38c ecotouch thermal batt insulation is designed to eliminate r value loss caused by compressing standard r 38 products in 2x12 cathedral ceiling construction.
Install r 38 insulation at ceiling r 30 in zones 3 and 5 thru 7 plus.
Option b is likely to appear counter intuitive as mentioned in the building science commentary hpa a above.
R 38 ecotouch pink fiberglas insulation with purefiber technology is the preferred owens corning insulation by homeowners because of amazing sustainability.
Install attic radiant barrier zones 2 3 5 7 plus.
Owens corning blown in insulation is a diy friendly option best for adding insulation in an attic and can be installed on top of existing insulation in less than 1 5 hours.
12 rolls r 38 kraft faced fiberglass insulation batt 24 in.
R 13 rigid with air space above batt insulation or r 18 with no air space above.
Ducts and air handler located in the attic plus.
R 38 ecotouch pink kraft faced fiberglass insulation batt 16 in.
R values like r 38 are used by the construction industry to describe the thermal resistance of insulation materials like those used to insulate your attic when you are looking at an r 38 insulation you are actually reading a description of its resistance rather than size or thickness of the material.
10 thick r 38c ecotouch thermal batt insulation prevents moisture damage and help assure long roof life by providing 1 of ventilation air space between the insulation.
Insulation below the roof deck sheathing between framing.
8 bags r 19 kraft faced fiberglass insulation roll 23 in.