Principles Of Attic Ventilation

Most building codes require a ratio of 1 150 ventilation space to attic floor space.

Principles of attic ventilation.

Principles of attic ventilation 0bsp03 course description. Ventilation of attic spaces is required by most building codes as well as by roofing material manufacturers and the national roofing contractors association nrca. During warmer months ventilation helps keep attics cool. If you understand the principles of attic ventilation you know an effective venting system provides year round benefits.

Inadequate ventilation in your attic can do more harm than good. During colder months ventilation reduces moisture to help keep attics dry. It also helps prevent ice dams. Ventilation allows consistent airflow through the underside of asphalt shingles.

You can also contact your local municipality to check on building code in your area. Intake vents located at the lowest part of the roof under the eaves allow cool. Attic ventilation has several purposes as we will soon reveal. Proper ventilation uses intake and exhaust vents to help reduce energy costs by removing the hot air from the attic.

However setting up a proper venting system can prove problematic without the right knowledge beforehand as there are factors you must take into consideration and specific calculations that must be done to fully benefit from the setup and keep structural damage and other issues at bay. Several purposes of an attic ventilation system are to provide added comfort to help protect against damage to materials and structure and to help reduce energy consumption during all four seasons of the year. Participants will be equipped to evaluate and discern the types of ventilation products and how to design and specify optimal ventilation systems. Several purposes of an attic ventilation system are to provide added comfort to help protect against damage to materials and structure and to help reduce energy consumption during all four seasons of the year.

Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. This prevents the excessive buildup of heat cold and moisture under a roof. By removing the hot air from the attic the home is able to stay cooler and the air conditioner runs less frequently. Removes heat from the attic.