Proper Attic Insulation And Ventilation

You can also contact your local municipality to check on building code in your area.

Proper attic insulation and ventilation.

Doing the job yourself. A radiant barrier is a high performance product that comes in a foil or spray insulation. When you use this you are blocking not only the hot summer heat but the cold during the winter months. Grab a flashlight and inspect your attic during the winter.

To prevent this follow the air sealing and insulation strategies in this guide and make sure the attic is well ventilated using passive vents and natural airflow. About attic ventilation natural attic ventilation. In the last several decades building codes have called for increased attic insulation. There are also dissenting voices who say that the benefits of ventilation are overrated.

If you see dampness or frost you need better roof ventilation and some attic vents. Most experts contend that a well ventilated attic keeps the house more comfortable in summer and guards against moist heated air building up in winter. The main purpose of attic and roof ventilation is to expel solar heated hot air from the attic to lessen your home s cooling load. Attic fans are intended to cool hot attics by drawing in cooler outside air from attic vents.

An attic fan is used to cool down a hot attic by taking in cooler air from outside through attic vents. At first it may seem odd to add insulation for warmth and then purposely allow cold air to. By using proper attic insulation and a radiant barrier you can deflect up to 97 percent of the sun s rays. Most building codes require a ratio of 1 150 ventilation space to attic floor space.

It may be a bit odd to just add insulation for warmth and then just allow cold air to get into your. Ventilation of attic spaces is required by most building codes as well as by roofing material manufacturers and the national roofing contractors association nrca.