First a breathable vent is fitted 50 mm from the roofing felt allowing a continuous air flow which removes moisture from the attic and allows your timbers to breathe.
Attic floor foam insulation.
The insulation reduces wildly high temperature spikes and so the attic becomes a conditioned part of the home like any other room.
We live in the downstairs area 2400 square feet that has 10 ceilings in the rooms.
The superattic system creates a continuous air and insulation barrier directly beneath the attic roof with no thermal bridging to compromise energy performance.
16 of cellulose gives about r 60.
Spray foam is considered a high end insulation because of the cost and because it is seen as a fix all solution for insulation or air sealing.
Insulation is used on the attic floor to insulate the ceiling from the seasonal cold and or heat in a traditional vented attic setting.
1 it s not really much more work to seal your attic floor than to seal all the foam joints.
Homes insulated with it can be some of the most efficient and comfortable homes built.
You d need a lot more foam to get to r 60 and that would be expensive.
Attic floor spray foam insulation application through a vented attic building science and design principles that your builder architect subscribes to can often dictate the method of spray foam used in the attic.
You can use foam board in the attic.
Finally the foam is applied giving your attic a continuous airtight seal.
Spray foam insulation is a great product.
Unfortunately it s a labour intensive process during a time where good labour is hard to find.
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.
Often the r value of fiberglass insulation is too low and requires the rafters to be retrofitted making foam board a better choice.
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.
Foam insulation boards are the best material with which to work when undertaking a do it yourself project because foam.
Foam board insulation in the attic can cut down on energy costs and simultaneously promote a more environmentally sound way of daily living.
I understand that if spray foam is installed on the roof deck i should take out the old blown in insulation in the floor of the attic.
When spray foam is installed on the underside of the roof deck the attic space is insulated from heat that otherwise would be entering the attic.
It has 8 of spray foam insulation on the roof deck and 4 in the wall and crawl space.
2 6 of foam gives between r 24 and r 36.