How To Vent An Attic Without Soffit

For proper ventilation it isn t enough for air to simply get into your attic.

How to vent an attic without soffit.

Be certain that the hole is between the rafters. They call this a venting drip edge. The attic space will get makeup air to replace the air that the ridge vent has exhausted along the path of least resistance. Finally to ensure that the airway to the vent remains open staple a ventilation baffle to the plywood sheathing in each rafter bay.

Remove the shingles in the area where the vent is to be installed. The molded polystyrene baffles available at home centers and lumberyards for about 1 each form channels that hold insulation at bay and direct incoming air upward. Intake vents located at the lowest part of the roof under the eaves allow cool air to enter the attic. One great alternative to a soffit ventilation system is to install an intake vent right at the lower edge of the roof.

Hot air exhaust vents located at the peak of the roof allow hot air to escape. Once they are in place you can then place the batts or blankets or blow insulation right out to the very edge of the attic floor. How to vent an attic with no eaves the function of soffit vents. If you don t currently have gable vents then it would be a good idea to install this vent.

Rafter vents should be placed in your attic ceiling in between the rafters at the point where your attic ceiling meets your attic floor. Smart vent a special roof eaves vent product that provides a 3 4 opening about 6 above the top of the roof drip edge. The design of many older houses omits eaves which maximizes the amount of sunlight. The idea is that wind goes into one gable vent and then pushes the air out of the attic and through the secondary gable vent on the other side of the attic.

Insert the jigsaw and cut the hole. Place the roof vent over the hole. Typically you would have a gable vent on each end of the attic. Drill a hole inside the shape for the jigsaw blade.

Normal vented air likes to enter the attic lower down near the bottom third of the attic and as it passes through it will exit higher up near the top third of the attic space. For an attic without soffit vents you may have the option to use gable vents instead. Draw it on the roof deck. The venting drip edge seems to be the easiest and most common way to go.

Problems when roof has no overhang.