Attic Ventilation In The House

Heat in the attic can roast shingles from below causing them to wear prematurely.

Attic ventilation in the house. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. If you see dampness or frost you need better roof ventilation and some attic vents. Use this tool to estimate the ventilation needs for your attic and get a list of broan attic ventilation product that will meet your needs. Most building codes require a ratio of 1 150 ventilation space to attic floor space.

If there are asphalt shingles on your roof the attic must be ventilated to comply with the terms of the manufacturer s warranty. That s how a house breathes. Before we explore how to ventilate an attic space it is prudent to understand how much ventilation is needed. Cedar wood rectangular louver vent.

Replacing your bathroom fan range hood or even installing a new fan. Ventilation of attic spaces is required by most building codes as well as by roofing material manufacturers and the national roofing contractors association nrca. That said air resistance and interference such as vent grates reduces the area of true ventilation. These simple easy to install vents let cool air come in to replace the hot air in your attic which escapes through either a roof mounted vent or a gable mounted vent.

Intake vents located at the lowest part of the roof under the eaves allow cool. However if your attic has blocked soffit vents and is not well sealed from the rest of the house attic fans will suck cool conditioned air up out of the house and into the attic. Soffit vents bring in cool air and roof vents let out warm air. Provide ventilation for your chosen location with the provide ventilation for your chosen location with the al s millworks 16 in.

It s believed that good ventilation in the attic will help prolong the life of shingles by reducing heat which maintains the shingles quality and durability. In other words the entire vent opening doesn t count as vented space. This product measures 16 in. Your actual living space is sealed and insulated at the attic floor the attic is outside this envelope.

Another important element of attic ventilation is protection for the roof s shingle. Get started indoor air quality iaq poor indoor air quality can have a negative effect on your home. Air flows in through the soffit vents and out through the roof vents. Attic fans are intended to cool hot attics by drawing in cooler outside air from attic vents soffit and gable and pushing hot air to the outside.

More product details close. Grab a flashlight and inspect your attic during the winter. Attic ventilation estimating tool. In many homes these intake vents come in the form of soffit vents.

Ventilation can be accomplished using various products and techniques. Don t avoid ventilating your attic for fear you re letting cold air into the house.