Install attic radiant barrier zones 2 3 5 7 plus.
R 38 hp attic option b.
For use in wood framed attics and ceilings.
12 rolls r 38 kraft faced fiberglass insulation batt 24 in.
Facing provides built in vapor retarder for moisture control.
Batts are pre cut for use in standard 8 ft walls with 16 in on center stud spacing.
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.
The process is to construct a standard vented attic with an additional layer of insulation he underside of roon t of deck sheathing to reduce.
8 bags r 49 ecotouch pink kraft faced fiberglass insulation batt 16 in.
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.
A medium density batt offers r 13 for the same space.
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 fiberglas insulation with purefiber technology is the preferred owens corning insulation by homeowners because of amazing sustainability.
Ducts and air handler located in the attic plus.
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.
R 13 rigid with air space above batt insulation or r 18 with no air space above.
Install below roof deck insulation at rafter zones 4 and 8 16 as follows.
Insulation below the roof deck sheathing between framing.
8 bags r 19 kraft faced fiberglass insulation roll 23 in.
Johns manville r 38 42 66 sq ft faced fiberglass batt insulation 16 in w x 48 in l item 110450 model k1244.
Option b is likely to appear counter intuitive as mentioned in the building science commentary hpa a above.
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.
R 38 ecotouch pink kraft faced fiberglass insulation batt 16 in.