Principles Of Attic Ventilation

Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.

Principles of attic ventilation.

It also helps prevent ice dams. If you understand the principles of attic ventilation you know an effective venting system provides year round benefits. Participants will be equipped to evaluate and discern the types of ventilation products and how to design and specify optimal ventilation systems. However in order to optimize the benefits of attic ventilation it s important to follow proper principles and procedures.

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. Ventilation of attic spaces is required by most building codes as well as by roofing material manufacturers and the national roofing contractors association nrca. Attic ventilation has several purposes as we will soon reveal. Participants will be provided an examination of the year round benefits of attic ventilation.

During warmer months ventilation helps keep attics cool. This prevents the excessive buildup of heat cold and moisture under a roof. Proper ventilation uses intake and exhaust vents to help reduce energy costs by removing the hot air from the attic. By removing the hot air from the attic the home is able to stay cooler and the air conditioner runs less frequently.

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. Ventilation allows consistent airflow through the underside of asphalt shingles. During colder months ventilation reduces moisture to help keep attics dry. Most building codes require a ratio of 1 150 ventilation space to attic floor space.

Inadequate ventilation in your attic can do more harm than good. You can also contact your local municipality to check on building code in your area. Principles of attic ventilation 0bsp03 course description. 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.