Best Way To Vent Attic Space

The code minimum for attic ventilation in the 2012 irc section r806 roof ventilation 1 is as follows.

Best way to vent attic space.

If you re serious about finding the best way to keep an attic cool this guide has the answers you need. In order to facilitate this. For diy attic insulation you ve got two choices. Best way to cool an attic 1.

The best form of attic ventilation for your home is a balanced system where the intake vents are separate from the exhaust vents. If your attic operates on a system where the intake vents are separate from the exhaust vents then you need a minimum of 1 square foot of ventilation for every 300 square feet of attic floor space. We ll start with the easiest methods that most homeowners can do and work our way up to the more time consuming diy projects. Fans and vents may be installed on the roof system that will draw the air out of the attic space and exhaust it to the exterior.

For the best results place roof ventilation near the roof s peak and soffit vents in the eaves. Both can be added to uninsulated attics or layered over existing material. Loose fill or batt the common term for blanket insulation. Way to vent an attic.

This means for every 150 square feet of attic floor space there should be 1 square foot of net free area. Of attic floor space. These fans may be controlled by a switch or a thermostat which detects heat build up in the attic space and automatically exhausts the attic space. Insulation at least r 38 or more is there for heating and.

Low cfm similar to a bathroom vent 300cfm and only in the hot spots basically by adding an inline ducting fan to the return ducts for the hotspot rooms. Of net free area for every 150 sq. Understand the pieces and parts that make up attic ventilation so that you can better cool off the space and prevent roof damage year round. Below you ll find the top 7 best ways to cool your attic down.

Once you ve decided which type is best for you examine the material options and prices to home in on the right product. One last thought attic ventilation is not there to get rid of heat it is there to get rid of excess moisture accumulating from the home. Whole house fans powered attic fans. Ridge vents which run along a roof s peak and gable vents installed at the gable ends of the attic cancel each other out.

In general you should put more entry vents soffit and gable down low than exit vents up high. It can do both. Best ventilation is open soffit venting to a open vented ridge vent. Grab a flashlight and inspect your attic during the winter.

If you see dampness or frost you need better roof ventilation and some attic vents. Ridge vent must me installed per the manufactures instructions.