Proper Roofing Ventilation

You ll first need to consider whether or not your house s roof needs ventilation.

Proper roofing ventilation.

You can also contact your local municipality to check on building code in your area. This is accomplished through the placement of ventilation near the bottom of the attic space at the soffits or eaves intake and at the top peak s or ridge s of your attic space exhaust. The option you choose will be contingent on factors such as the type of roof you re working with and the local climate. Ventilation is critical for your home and that s especially true for your roof.

Finally unlike the rest of these models. Effective attic ventilation systems reduce damaging heat and moisture in your attic promote energy efficiency by helping to reduce the load on your air conditioner in the summer and also reduce the risk of ice dam formation on your roof. Why is ventilation so important. Cut the hole for roof vents.

The key to proper ventilation of your roof and attic is balance. Proper ventilation necessitates that fresh air is able to find its way in the attic space while allowing stale air to get out. Drive nails up through the sheathing and. Without proper roof ventilation a whole host of problems can crop up costing you money and damaging your home.

Proper attic ventilation consists of a balance between air intake at your eaves soffits or fascias and air exhaust at or near your roof ridge. Cut the shingles for roof vents. These ventilation needs are calculated differently. Static vents often protrude from roofline thanks to special covers intended to keep all precipitation rain sleet hail.

Ventilation of attic spaces is required by most building codes as well as by roofing material manufacturers and the national roofing contractors association nrca. Gable vents may circulate air through only a small percentage of your attic. Federal housing authority recommends a minimum of at least 1 square foot of attic ventilation evenly split between intake and exhaust for every 300 square feet of attic floor space. Exhaust vents ridge vents openings that run the entire length of your roof along the ridge are often visible only to a trained eye.

There are some styles of vaulted ceiling homes or flat roof homes that have ventilation spaces within the roof itself and no attic. Mark attic roof air vent locations. Here are the top reasons why you need ventilation in your roof. The amount of space you devote to intake must be equal to the amount you allow for exhaust and these must be calculated according to the size of your attic and slope of your roof.

Center nails between rafters 18 in. Without baffles blinders that prevent outside air from crossing over the vent a ridge vent may create almost no ventilation at all. How to install roof vents. The majority of roofing experts agree that ridge vents are the most effective and cost effective roof vents available.