Insulation

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How do I attach insulation between floor joists?

Insulation must be installed with the vapor barrier facing up. This means the paper flanges cannot be used. Use insulation supports (thin metal...

 

I already have some loose-fill insulation in my attic. How do I know if I need more?

Generally, if you have less than 9” of insulation on the attic floor, it needs...

 

Can I stack insulation to get a higher R-value?

Yes. For example, two R-19 batts can be stacked on each other to create R-38 insulation. You also can add loose-fill insulation on top of a bottom...

 

Can insulation reduce sound?

Yes. Insulation can be a sound barrier for a quieter interior of the home. It can be used to prevent sound transmission through exterior and...

 

What R-value should I use?

The Department of Energy recommends R-values based on the type of fuel used and where you live. Generally, attics in homes heated by gas or oil in...

 

What does the R-value on insulation mean?

R refers to resistance to heat flow. The higher the R-value, the greater the effectiveness of the insulation. The R-value depends on the type of...

 

Isn’t a vapor barrier and housewrap the same thing?

No. A vapor barrier prevents moisture from passing through and helps prevent it from getting inside the walls. It should be used on the inside of...

 

Is there a type of insulation that won’t irritate my skin?

Cellulose insulation is made of shredded waste paper. It generally doesn’t cause irritation. Also, you can try encapsulated...

 

Why is a vapor barrier important?

A vapor barrier prevents condensation. Condensation occurs when warm air from the inside of the house meets the cold air on the exterior of the...

 

What should I use to insulate the top and sides of my garage door?

Aluminum and vinyl weather stripping is available for this. There is also a weather strip made specifically for garage door...

 
 
 


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