Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.
Styrofoam as attic insulation.
Homes insulated with it can be some of the most efficient and comfortable homes built.
Closed cell and open cell aka 2 pound and pound respectively.
Spray foam offers the best attic insulation performance available.
I ve been in plenty of these homes and can tell you that when spray foam is installed properly they outperform 99 of fiberglass batt insulated stick built homes.
Our foam insulation attic system the attic plays a critical role in a home s energy performance.
The most common insulation materials are fiberglass cellulose and foam.
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.
Insulating an attic usually means you have a lot of room for insulation and you will need high r value so that is why the cheaper options are more popular blown cellulose or blown fiberglass.
Hire a pro to install spray foam insulation.
You can use rigid foam panels or do as tom silva does with nearly all houses these days.
The average house wastes hundreds of dollars on heating and cooling every year because it has too little attic insulation and too much air leakage into the attic space.
Spray foam insulation is a great product.
Insulation types include loose fill batts rolls foam board spray board and vapor barriers.
Choose from two types.
Handy homeowners can install blown in insulation in the attic.
That styrofoam insulation will work but it is not cheap per r value however it gives you a great r value per inch.
Blowing insulation into walls is best left to the pros because it involves drilling into stud spaces that may contain electrical.
They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively.
These insulation materials are not only used to insulate home to bar air from coming in and out but to also protect the space from elements such as mold rodents moisture and dust.
Step 3 place caulking and furring strips.
When installing foam insulation boards in the attic make sure you start from one corner and work your way around the room.
The type of insulation you need depends on which type is currently installed and the required r value.
If you re considering turning your attic into conditioned storage or living space it s worth changing tactics to insulate between the rafters and wall joists instead of the floor.