Principles Of Attic Ventilation

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

Principles of attic ventilation. 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. By removing the hot air from the attic the home is able to stay cooler and the air conditioner runs less frequently. Intake vents located at the lowest part of the roof under the eaves allow cool.

During warmer months ventilation helps keep attics cool. 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. Participants will be provided an examination of the year round benefits of attic ventilation. Attic ventilation has several purposes as we will soon reveal.

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. It also helps prevent ice dams. Removes heat from the attic. However in order to optimize the benefits of attic ventilation it s important to follow proper principles and procedures.

Inadequate ventilation in your attic can do more harm than good. During colder months ventilation reduces moisture to help keep attics dry. Ventilation allows consistent airflow through the underside of asphalt shingles. Ventilation of attic spaces is required by most building codes as well as by roofing material manufacturers and the national roofing contractors association nrca.

This prevents the excessive buildup of heat cold and moisture under a roof. If you understand the principles of attic ventilation you know an effective venting system provides year round benefits. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. In cold climates the primary purpose of attic or roof ventilation is to maintain a cold roof temperature to control ice dams created by melting snow and to vent moisture that moves from the conditioned space to the attic ventilation acts to bypass the vapour barrier created by most roof membranes.