Insulation is a great way too keep cool air out and warmer air in the home.Depending on the project at hand and how tight you want your home will depend on the type of insulation you will want installed. There are a few types that are cost efficient that can be installed that has some pretty good R-values (resistance)  and they are others that are more expensive that have some better R-values. Types of insulation:



Plastic foam panels:

Fiberglass insulation friend or foe?

Fiberglass insulation friend or foe?

Spray foam: