Firstly you can apply it directly onto the house s concrete walls with the help of a construction adhesive that will hold it in place.
Installing rigid insulation in attic.
This requires the use of soffit vents and a roof ridge vent to.
Insulation installed in your attic will help you save money on energy costs.
Once the attic is prepared then start to install the insulation.
Installing foam insulation boards in the attic is no that hard and can save you money compared with professional installation.
Why installing attic insulation properly matters for r value it s fairly easy to imagine that the denser and thicker the insulation the better it would be at preventing the transfer of heat.
Often the r value of fiberglass insulation is too low and requires the rafters to be retrofitted making foam board a better choice.
Start at one corner of the attic and lay the piece of insulation lengthwise like a piece of drywall.
Maybe insulation was never placed in your attic.
According to home advisor insulating your attic can cost between 1700 to 2100.
Installing rigid foam insulation there s two ways you can go about with foam board insulation.
The superattic system creates a continuous air and insulation barrier directly beneath the attic roof with no thermal bridging to compromise energy.
When installing rigid insulation in an attic to be finished as a living space you must provide a route by which hot air can escape.
And of course the type of insulation whether it s loose fill cellulose or sprayed foam polyurethane will affect the r value as well.
The superattic system utilizes proprietary silverglo rigid foam insulation panels to fully seal and insulate the attic directly beneath the roof rafters and directly inside the gable ends.
Either way you are now faced with the choice of installing insulation yourself or hiring a professional.
Foam board insulation in the attic can cut down on energy costs and simultaneously promote a more environmentally sound way of daily living.
Cut the insulation with a utility knife.
It is an excellent installation option for the attic because it is lightweight easy to work with and offers high r values.
Square footage of your attic.
You can use foam board in the attic.
Don t then waste it by making the wrong choice.
We are going to help you weigh the pros and cons of each option.
Contractor or insulation installer s fee.