Image courtesy of the holmes group.
Insulating a home roof with a closed attic.
It creates a breeding ground for mold and mildew and ruins the air trapping pockets that block heat flow.
How to insulate a finished attic.
In general an attic s r value should be between r 30 and r 49.
If you do not use the attic much it is pointless heating this area.
It has been said that insulating with spray foam insulation at the roof line will lead to moisture problems with the roof sheathing.
Insulating the attic floor.
If you leave the insulation in the attic floor after insulating the roofline the attic will be cooler in winter than if you remove the insulation.
So insulating the floor of the attic is not only the best solution but it is also the simplest and cheapest.
In particularly cold climates you might go up to r 60.
Owens corning ecotouch insulation is soft to the touch easy to cut and install.
A finished attic should be insulated much like the rest of the house with insulation in the walls and ceiling.
Water is insulation s enemy.
With a finished attic insulation must help keep the attic areas comfortable.
Additionally insulation serves as a way to enhance sound proofing on the uppermost envelop of your house.
Whereas too little spray foam insulation can leave for thermal bypass because of the complete lack of insulation in the attic.
Insulating in and around your roof attic space also prevents long term damage from moisture build up or ice damming which results from the warm air trying to escape through the apex of the roof but instead heating up the snow.
Look for water stains on the roof sheathing or damp or moldy spots on attic joists and existing insulation as a clue to where leaks might be.
Moisture is also another huge issue when it comes to spray foam insulation in an attic.
But a common reason to put spray foam on the roofline is to avoid having to air seal the attic floor.
In addition ecotouch insulation delivers comfort helps homes stay cooler in the summer and warmer in the winter.
If there is inadequate ventilation or insulation you re looking at plenty of issues with your attic and roof that can range from mould rot ice damming and more.
Box out light fixtures.
Proper ventilation is key to protecting your roof and attic space.
At the same time the areas below the roof benefit from increased comfort both during the winter and the summer.
Thus the air in the attic is connected with the air in the house.
The r 13 faced batt insulation is comprised of the r 13 faced batt insulation is comprised of pre cut widths to fit between the studs and joists in your home.