Blanket insulation is available as batts or rolls and is the easiest diy insulation material.
Attic insulation types oregon.
Each has its pros and cons as well as its own set of adherents who will tell you never to use the other type.
Blanket batts and rolls are typically constructed with fiberglass although versions made of cotton mineral wool and plastic fibers are also available.
The department of energy recommends different r values for different climates so you ll need to be sure you re choosing a material that meets the standard for attic insulation in portland oregon.
The type of insulation you need depends on which type is currently installed and the required r value.
It s available in fiberglass mineral wool plastic fibers and natural fibers.
For temperate climates like the pacific northwest you re shooting for an r value of r 38.
Just as there are two types of blown insulation fiberglass and cellulose and two types of people those who divide everything into two groups and those who don t there are two types of spray foam open cell and closed cell.
Our team is a governmental voting member for development of the international energy conservation code iecc.
Odoe also serves as a member of the construction industry energy board and the 2017 oregon residential specialty code review committee offering energy efficiency guidance and recommendations.
Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.
Spray foam offers the best attic insulation performance available.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
For diy attic insulation you ve got two choices.
The most common insulation materials are fiberglass cellulose and foam.
Installing this type of insulation is an.
Both can be added to uninsulated attics or layered over existing material.
They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively.
Find your zone on the map and then use the chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces.
This type of insulation.
Loose fill or batt the common term for blanket insulation.
Choose from two types.