Attic Insulation

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How to go about residential and commercial attic insulation.

Attic insulation is the best way to keep your energy bills low.

Sealing your attic will prevent excessive loss of heat during winter and cold air during summer.

There are various ways to insulate your attic.

They include the following;

  • Blanket insulation
  • Loose-fill insulation.

    Attic Insulation
    Man installing thermal insulation layer under the roof – using mineral wool panels
  • Sprayed foam insulation
  • Rolled batts insulation, etc

Blanket insulation

Blanket insulation can come in the form of batts or rolls.

This is the most straightforward insulation technique that you can do on your own.

It comes in many materials like fiberglass, mineral wool, plastic fibers, and natural fibers.

Blanket insulation is ideal for surfaces with few obstructions and attics with adequately spaced beams and joists and sufficient headroom.

During insulations, we want to preserve the R-value effectiveness and therefore make sure to trim the batts correctly so that they fit around the vents properly.

Loose-fill insulation

If your attic has many obstructions like vents and cross beams, this is the insulation method to use.

Also, if your attic has limited headroom for maneuvering during installation and irregular joist spacing, this is the ideal insulation to use.

You can apply loose-fill insulation o an already existing insulation.

It comes in the form of cellulose, fiberglass, and mineral wool.

Keep this insulation away from moisture as moisture makes it moldy.

Sprayed foam insulation

Sprayed foam insulation has the highest R-value of 3.5 per inch in an open cell and 6.5 for the closed-cell.

Closed-cell foam has cavities filled with air that will expand once sprayed to fill the spaces in your attic.

The free cell foam also has cells filled with air, which gives this insulation a spongy texture.

It is also the most expensive insulation technique and requires a professional to install it.

This insulation acts as a moisture barrier.

The primary thing to consider when insulation your attic is the R-value. R-value is a unit of measurement for the insulting material ability to resist heat flow.

The higher the R-value, the more effective the insulating material is.

R-value for your attic should range between 30 and 49. However, this number can rise to R-69.

Precautions to take when insulating your attic

The right type of insulation

Like we have already established, there are different insulation methods.

All these methods are ideal for different situations and different areas in your home.

If don’t have any knowledge regarding insulation, contacting a professional is advisable.

Learn the insulation safety precautions

Radiant Barrier Installation
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Some insulation materials like fiberglass have elements of recycled glass and metal particles.

Handling it requires you to wear protective gear as it is itchy when it comes to contact with your skin.

Also, some other materials emit fumes that are poisonous and not good for your lungs.

Reading a guide and asking the seller on the safety precautions is recommended.

Do not remove the insulation vapor barrier

The vapor barrier from the fiberglass insulation works to prevent moisture from getting into your house.

Therefore, removing it is a mistake as humidity will cause rotting in the vent.

Fire hazards

Improper insulation exposes you to significant fire hazards.

Insulating your attic directly to lighting fixtures and heaters is dangerous.

Also, ensure that wiring in your house is not wrapped in insulation.

Avoid too much insulation

As much as adequate insulation helps to keep the air in your house regulated, too much insulation does not work effectively.

Too much insulation prevents enough air to be trapped.

When most people consider home insulation, they tend to neglect the basement.

If you insulate the whole home but neglect the basement, you will not achieve energy-efficient home.

Expert says that the basement if responsible for about 27% of all the heat lost in a room.

If you have not insulated your basement, take the first initiative and contact the local contractor.

Basement insulation can be conducted in different styles depending on needs.

Most contractors prefer insulating the walls and the ceiling.

You may also choose not to insulate the inner walls, but it is good to insulate the ceiling and outer walls to prevent damp conditions.

About Us

AttiCity is a family owned company. We are located in San Jose, but our crew is ready with all the necessary equipment & replacements to give you the best attic services all over the Bay Area, CA.

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