Does Spray Foam In An Attic

Using spray foam insulation in an attic is a popular energy saving project.

Does spray foam in an attic. It s quick and easy to do. One huge benefit of the spray foam insulated attic is that conditioned air leakage from the ac furnace duct system is contained and used to condition the attic. This alternative to traditional building insulation fiberglass can be applied into wall cavities holes concrete slabs and even onto roof tiles and. Earlier this year i got a question about a home that had spray foam insulation in the attic.

We are considering applying 2 of medium density polyurethane spray foam to the attic floor topped with blown in cellulose. Homes insulated with it can be some of the most efficient and comfortable homes built. When you insulate the top of your attic with spray foam you re bringing your attic into your home s envelope as a result you can reduce the temperature in your attic by a lot anywhere from 120 degrees to around 95 during peak summer. A lot of builders and homeowners are going with spray foam insulation because of the airtightness benefits but then the questioner mentioned that the spray foam contractor had intentionally left big holes to the outside by not sealing the gable vents.

Polyurethane or polystyrene spray foams can provide thorough coverage to roof rafters and attic walls in much less time than is needed for other materials. Not only does the use of spray foam insulation in your attic reduce the impact your home has with its overall energy consumption but it also uses fewer materials to ensure you receive the correct r value. Would this be an appropriate solution in the toronto ontario area. Spray polyurethane foam is a chemical product that is created by two materials isocyanate and polyol resin that will react with each other when they are mixed and will expand up to 30 to 60 times its liquid volume as it is sprayed in place.

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. Spray foam attic insulation as we discussed above is a highly popular method used for insulation in homes but like anything else even other alternatives to spray foam insulation there are both pros and cons to the use of this home insulation material. When we seal the attic with spray foam it s as tight as a butter tub. I can also tell you that 73 of all statistics are made up on the spot so please don t ask for.

And the benefits range from much lower utility bills to fewer pests to reduced sound transfer. Spray foam insulation is friendly to the environment. We mean that literally by the way. Spray foam insulation is a great product.

Nothing unusual about that. In a vented attic all of that expensive airflow is lost to the environment. Spray foam attic insulation is used primarily to act as a barrier to limit air movement and. Attics with spray foam insulation are so cool.

Currently there is no vapour barrier on the attic floor and it would be challenging to add one over the ceiling joists.