What is the best way to insulate a ceiling?


Quote from Youtube video: If local regulations call for stapling of faced insulation. Simply open the flange of the facing. And staple it to the inside of the joist. Or the face of the stud every eight to twelve inches.

What is the proper way to install attic insulation?





Quote from the video:
Quote from Youtube video: All right a vapor barrier. Always goes to the warm. Side. So if you heat your house most of the time the vapor barrier phases.

Do you put insulation in the ceiling?

In addition to walls and attics, insulation should be installed in ceilings with unheated spaces, basement walls, floors above vented crawl spaces, cathedral ceilings, floors over unheated garages or porches, knee walls, and in between interior walls—especially bathrooms—as well as ceilings and floors.

How do I finish my attic ceiling?

How to Finish an Attic

  1. Clean Out Your Attic. …
  2. Wire the Attic for Electricity. …
  3. Build a Subfloor. …
  4. Insulate Your Attic. …
  5. Install Drywall and Ceiling. …
  6. Paint Attic Ceiling and Walls. …
  7. Choose and Install Attic Flooring.


Can you have too much insulation in your attic?





It’s possible to over-insulate an attic as too much will cause moisture buildup and eventually result in mold. Eventually, adding more insulation leads to diminishing returns in trapping heat as well.

Is it better to insulate ceiling or roof?

If you are deciding between insulating the roof deck or the ceiling, Insulating your ceiling should be the priority. Not only is it easier but ceiling insulation is beneficial in a number of ways: Keeps the temperature in the building regulated. Saves on energy costs.

Should attic insulation be faced or unfaced?

Attic Floor Insulation



Unfinished or uninsulated attics need a layer of protection to keep hot or cold air from migrating to the rest of your home. If you install batting between your attic floor joists, the material should be faced.

Should you insulate rafters in attic?

Insulating between rafters will do no good, because the attic should be ventilated, and the rafter insulation would be between two unheated spaces. You can add insulation to the floor; the more the merrier. Just don’t put it in the eaves. Also, make sure the attic is well ventilated.

Can you put plastic over insulation in attic?



Plastic isn’t recommended in this situation because it would create a second vapor barrier that can trap moisture and result in condensation and mold. Craft paper would have the same problem, this is what is most likely on the other side of the insulation for the vapor barrier you want.

What kind of insulation do you use for attic rafters?

R30 in hot climates (like California) R38 in temperate climates (this is typically the desired level for residences in California)

Does a finished attic need to be vented?

Does a finished attic need to be vented? Yes, but it will need to be done differently than an unfinished attic. It is common for homeowners to turn their attic into a room as they outgrow their home.

Should I spray foam my attic?



That’s because open-cell spray foam can transmit air and moisture. Closed-cell spray foam is a better choice for keeping subfloor moisture at optimal levels, while open-cell spray foam is a better choice for walls and attics, because it allows homes to “breathe,” Yates said.

How many inches of insulation should I have in my attic?

about 10 to 14 inches

The recommended level for most attics is to insulate to R-38 or about 10 to 14 inches, depending on insulation type.

Should you insulate the attic ceiling?

Should you insulate your attic roof? Insulation is a wise choice to increase the energy efficiency of your home. Quality insulation will make it more cost-effective to heat and cool your home, The Department of Energy’s estimates range from a 10% to 50% savings, depending on several factors.

Which type of insulation is most effective?



Q. What is the most energy efficient wall insulation? Closed cell spray-foam insulation is the most energy efficient wall insulation. Applications can reach much higher R-values for each inch of thickness than other insulation products, with values as high as R-6.2 per square inch (roughly R-34 on a 2×6 wall).

What is the best insulation to use in your attic?

Spray Foam Attic Insulation



Spray foam offers the best attic insulation performance available. Choose from two types: closed-cell and open-cell, aka 2-pound and ½-pound, respectively. They sport insulation values of approximately R-6.5 and R-3.6 per inch, respectively.

Is it better to insulate ceiling or walls?

wall insulation, always go for the attic. The largest pay back will be seen here. You would stop heat loss from natural convection and block solar gain (an increase in heat) in the attic, which can result in energy savings of 30 to 50 percent. You won’t see as big of a return on investment by insulating walls.

Is spray foam insulation better than traditional insulation?

Spray foam insulation has a higher R-value than fiberglass, making it a better insulator. Another difference between them is that spray foam is watertight while fiberglass cracks under moisture. However, installing spray foam requires a professional while fiberglass is easy to install yourself.

What are the disadvantages of spray foam insulation?



List of the Cons of Spray Foam Insulation

  • Spray foam insulation does not always fill every possible cavity. …
  • Spray foam insulation might encourage water damage for some homeowners. …
  • Spray foam insulation can sometimes shrink. …
  • Spray foam insulation requires a lot of experience to get it right.

Can mold grow on spray foam insulation?

As a product, spray foam insulation does not attract mold. And unlike wood or metal, spray foam does not rot, rust or deteriorate. This means that an area properly sprayed with foam insulation will never become a food source or a hospitable environment for a mold colony.