How Do I Ventilate My Attic

How to check attic ventilation.

How do i ventilate my attic.

How to properly ventilate your attic. Most effective ventilation uses a ridge and soffit continuous ventilation system but even these designs can vary from roof to roof. Good insulation reduces fan effectiveness. Moreover if you have asphalt shingles on the roof attic.

However the utility of attic ventilation fans is actually quite a controversial topic. For the best results place roof ventilation near the roof s peak and soffit vents in the eaves. 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. Federal housing authority recommends a minimum of at least 1 square foot of attic ventilation evenly split between intake and exhaust for every 300 square feet of attic floor space.

Ventilation can be accomplished using various products and techniques. To properly ventilate an attic two types of vents are needed. Air flows in through the soffit vents and out through the roof vents. To avoid rotting wood clumping insulation and mold your attic needs to be properly ventilated.

The downside of attic ventilation fans. If you see dampness or frost you need better roof ventilation and some attic vents. Static roof line vents are effective for ventilation but generally aren t recommended due to issues with leaks. How attic ventilation works.

Ventilation of attic spaces is required by most building codes as well as by roofing material manufacturers and the national roofing contractors association nrca. Ensuring your home has the proper attic ventilation according to these guidelines however can save yourself the stress and hassle of an emergency roof repair. Proper attic ventilation consists of a balance between air intake at your eaves soffits or fascias and air exhaust at or near your roof ridge. Grab a flashlight and inspect your attic during the winter.

Before we explore how to ventilate an attic space it is prudent to understand how much ventilation is needed. Exhaust vents which are located near or on the ridge line of the roof and allow air to leave the attic. Soffit vents may leave air trapped at the top of your attic. Intake vents which are located at the down slope edge of the roof aka eaves and allow fresh air into the attic.

Attic ventilation fans whether hard wired or powered by their own solar panels seem like a low cost and effective way to help keep your house cool. Vents come in various styles. This is an informative post thank you for sharing.