Earlier this year i got a question about a home that had spray foam insulation in the attic.
Applying spray foam insulation attic.
Spray polyurethane foam will provide thermal insulation that will minimize air infiltration which can help to save on heating and cooling costs within the indoor environment.
If you re using the attic for living space then you need to insulate the rafters.
Nothing unusual about that.
The case for unvented attics.
That s because it s easier for the contractor to spray than clean up existing insulation deal with any can lights or venting etc.
Homes insulated with it can be some of the most efficient and comfortable homes built.
If you re not do the attic floor.
Attic spray foam insulation.
This is the first step in forming a thermal barrier however.
This alternative to traditional building insulation fiberglass can be applied into wall cavities holes concrete slabs and even onto roof tiles and attic insulation.
If you have any holes or cracks in the space then the foam will penetrate the area to give you a better insulation experience.
Spray foam insulation is a great product.
I can also tell you that 73 of all statistics are made up on the spot so please don t ask for.
This application effectively seals off the attic from the outdoors and eliminates air leakage and infiltration through the attic and roof areas.
Before any retrofit work is done inspect the roof and attic.
We recommend you apply our product directly under the roof deck.
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.
Repair any leaks remove active knob and tube wiring and remediate any hazardous materials.
Basf s walltite is a closed cell spray applied polyurethane foam insulation that delivers high thermal resistance to improve the energy efficiency cost savings and comfort of your home.
In fact studies show that it is 2 4x better than any other type of insulation.
When spray foam insulation is applied to your attic then you will create a fast seal thanks to the expansive nature of this product.
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.
Insulate an attic in an existing home by installing spray foam typically closed cell on top of the ceiling plane i e on the floor of the attic as follows.