Attic Insulation Batts Over Blown

Cellulose blown in ceiling insulation is a good choice for diyers.

Attic insulation batts over blown.

The attic isn t easy to navigate since the roof is held up by numerous trusses. Any new batt or roll insulation installed over existing insulation in the attic needs to be without a vapor retarder face. Could spray foam be installed over the batts. Fiberglass comes from what i ve heard one major fiberglass insulation manufacturer call a rapidly renewable resource sand.

I want to insulate the attic of a house that currently has one layer of fiberglas batts installed. Blown in cellulose has a higher r rating and is less expensive than either blown insulation like fiberglass attic insulation or fiberglass batts. Fiberglass insulation in rolls or batts can be easily added by the homeowner. Would it be permissible to have a contractor blow in cellulose insulation over the fiberglas batts.

Blown in cellulose is an environmentally friendly material made from recycled newspaper so it s easier on your skin and lungs. Blowing insulation into walls is best left to the pros because it involves drilling into stud spaces that may contain electrical. To install fiberglass batts over existing insulation lay the batts perpendicular to the joists so they do not compress the insulation below. Insulation our building science makes insulation br smarter.

Blown in insulation requires a professional. Loose fill or batt the common term for blanket insulation. I don t know about that but it s a common insulation material that works much better in the blown form than in batts. Fiberglass insulation is calculated based on the number of batts or rolls you need.

Or does this create problems. Batt insulation is available at home centers and lumberyards. Whether you live in a warm weather state as i do or in a cooler northern climate it s hard to stay comfortable and keep your energy bills in check if you don t have adequate insulation in the attic. The vapor retarder on top of or between layers of insulation can trap moisture.

Attic insulation is accomplished with either fiberglass blankets batt or blown in insulation. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. Before choosing blown vs. From schools to businesses to family homes our insulation works everywhere.

Handy homeowners can install blown in insulation in the attic. Both can be added to uninsulated attics or layered over existing material. The photo above shows an attic insulated with blown cellulose. Blown in insulation requires the least amount of work but requires special tools and equipment.

For diy attic insulation you ve got two choices. Faced insulation should not be placed on top of existing insulation in the attic.