To completely cover your attic floor with insulation out to the eaves you need to install rafter vents also called insulation baffles.
Proper way to install attic baffles.
Attic hatch or door.
Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 attic cover insulator 120.
Without baffles you must keep vents clear of insulation which means.
Attic baffles also called channel vents vent chutes proper vent and about 50 other names help direct air flow from the soffit through the attic.
Without this air movement any moisture that gets into.
Photos 1 6 show how it s done.
Attic rafter vent baffles are essential for the health of your roof.
They can reduce roof deck temperature minimize ice dam issues and can help control attic moisture.
Putting baffles in your attic is a crucial step in installing attic insulation.
It is a fairly easy process that will make a world of difference in assisting your insulation and keeping your home protected from rot which can save you a substantial amount of money down.
Add weatherstripping around the perimeter and a sweep to the door of a walk up attic.
The gable of your house must have openings to allow fresh air to enter and stale air to exit.
How to install attic rafter vents and baffles.
But before you cut any holes plan the locations of the attic vents.
Soffit vents are the small metal or plastic grates you probably have seen under the eaves of houses.
Affix rigid foam insulation to the attic side of the hatch or door.
Installing baffles from a soffit vent and up the rafter bay allows you to insulate every available inch of attic floor space.
Adding attic vents is a simple matter of cutting holes and installing vents.
Sometimes called rafter vents baffles provide ventilation and keep the insulation from blocking airflow through your attic.
They allow the fresh air to travel up under the roof to the ridge or gable vents keeping the roofing materials dried out and in good working order.