What Is A Gable Vent And How To Install It?

gable vent

A gable vent is a crucial component of your home’s heating and cooling system. Without it, you might be throwing money away. Because the hot air is confined within your house, an attic without a gable vent can be up to 60 degrees hotter than the outside temperature. Your insulation and roof joists may decay in the winter when the moisture from your home’s heat evaporates.

Gable Vent and its Types

An incredible strategy to protect your house from the severe winter is to install a gable roof. Before you rush to obtain a new gable roof, you need to know all about gable roofs. The Greek temples have the earliest gable roofs in recorded history, increasing the temple’s size and providing adequate ventilation. People use louvered vents to keep homes safe and well ventilated. You can determine the ideal size and shape for your property by using the following explanation of gable roofs and louvered vents. So continue reading and take in the ethnic gable architecture. Moreover, we also offer air duct repair and replacement in Buford

Louvered vent And Ridge Vents

Gable roofs are constructed from two angular roofs combined into a triangle shape at the top. A gable is the word for the triangle-shaped vent. People use these A-shaped roofs in regions with long winters. Gable roofs appear in a variety of sizes and shapes, including:

  1. A cross-gabled roof
  2. Gable Roof With Added Shed Roof
  3. Dutch Gable Roofs
  4. Front gables, 
  5. Box gable roofs, 
  6. louvered vent

An opening that permits air to move from one gable roof area to another is known as a gable vent. Louvered vents provide adequate air circulation inside the attic instead of active ventilation. They give your house a natural airflow.

Various Gable Vent Types

There are several different types of louvered vent available for your house. Your home’s preferences and architectural requirements will determine both the material and the design. We have listed all of the available louvered vents below:

Louvered vent in PVC

Louvered vents manufactured of a synthetic polymer called polyvinyl chloride, or PVC, exist in various sizes and designs. Due to their resistance to abrasion, corrosion, and chemical damage, PVC louvered vents last long. They are simple to install, take down, and store for future use. Given that PVC lasts longer than wood and urethane, more than half of those who install gable vents choose this material. Another benefit is that PVC gable vents are available in various sizes and shapes. By completing the design with a gable vent that is the right size and form for the plan, you may enhance the architecture of your house.

Gable vents made of wood

Wood gable vents can be added while the walls are being built. A wooden gable vent has the benefit of being able to blend in with the wall’s general construction. They coordinate perfectly with the texture of your walls and are simple to install. Wood has a cooling effect that improves ventilation. The attic remains cooler and more airy thanks to the wood’s porous nature.

Plastic Gable Vents

Gable vents made of urethane are watertight. They can be painted in any color because they are made of an odorless substance. Your home will sparkle thanks to urethane gable vents. With each new coat of paint, they appear fresh. Additionally, they are resistant to corrosion and long-lasting chemical harm.

Gable Vents in Aluminum

Aluminum gable vents last for a long time. Aluminum gable vents are less expensive and trustworthy, with a dependable appearance and rapid installation. They come in a variety of sizes and forms, ranging from 22 inches to 30 inches broad. Choose one and match the aluminum gable roofing with the corresponding aluminum gable vents.

Vinyl Plastic Gable Vents

Vinyl gable vents are an obvious choice if you already have vinyl gable vents installed on your property. Snap the vinyl gable vent into the gap between the siding and the vent. Drive a few nails into the siding to attach the vinyl roof. Gable vents made of vinyl look elegant on both the outside and inside of your attic. Contact us for UV light installation in Buford.

How to install a gable vent

Louvered vents are a popular way to improve ventilation in your home. But before you install one, you should know how to install a gable vent. Here is a step-by-step guide to installing a gable vent and finishing your home with a fresh new look.

A guide on how to install a Gable vent

Roof vents are essential to your home because they prevent damage to your attic. If you have a well-vented roof, you’ll also avoid moisture buildup, which can lead to mold and mildew. To ensure your home is well-vented, use this guide on installing a Gable vent.

Check the Size

When installing a louvered vent for passive installation, you must give more surface area for ventilation. The airflow is insufficient when comparing a 22-inch gable vent to a 36-inch gable vent. There is a reasonable likelihood of more ventilation because both louvered vents will be placed next. louvered vents need to be enlarged as houses get bigger. They give the entire house a certain mysticism, especially when they are the proper size. Divide the whole space by 300, then round the result to the nearest square foot to determine the area for a gable vent. A single vent occupies the attic’s 300 square feet.

Examine The Location

Select the ideal site for gable vent installation. The lower portion of the attic will get stuffy if a gable vent is placed close to the top of the roof. Similar to building a gable vent lower than usual, doing so will prevent cross-breeze, which will cause mold to grow in the ceiling. To achieve 360-degree circulation, place the gable vent directly in the middle of the gable wall.


Louvered vents need to be fitted correctly by experts. Make sure you buy a sturdy ladder if you want to fix it yourself. You can fall through the gable vent if you make the wrong move. Select the installation’s precise dimensions. Full-length louvered vents are a preference for some. But for 300 square feet, the U.S. Federal Housing Authority advises one foot of ventilation.

Although it is not difficult, installing a gable vent requires power tools and ladders.

At all times, safety precautions should be used.


Follow below-mentioned instructions to install a gable vent.

Step 1: Get ready

Mark the vent’s size on the attic wall’s interior using either the vent’s template or the template that comes with the vents.

Using 2×4 boards, construct a matching frame between the studs. Make sure the vent has at least a 1/8-inch clearance. Drill holes through to the outside of each corner of the frame once it has been constructed.

Step 2: Make Holes

After the holes are drilled, connect them with a chalk line to create the outline of your gable vent. Cut off the vent’s shape with your reciprocating saw and a bi-metal blade. To locate the flange, insert a plumb bob into the vent aperture. On the siding, make a pencil note of this. Cut along the outline after adjusting the circular saw’s blade to the siding’s depth. Remove the siding from the opening’s perimeter. As a barrier of protection, place building paper around the opening and underneath the siding and staple it to the house.

Step 3: Install the vent

To ensure a watertight bond when you slip the vent in:

  1. Apply a bead of caulking around the opening.
  2. Around the vent, slide the metal flashing.
  3. Adjust the vent, so the flange is tucked beneath the paper and flashing.
  4. Use nails or 2-1/2 inch screws to attach the vent to the house.
  5. Use a scraper or your finger to smooth a bead of caulking applied around the vent.

After installing a louvered vent, most consumers are unsure whether they still require ridge vents. Installing ridge vents in your gable roof will add airflow to your home, which is a good thing. Shutting off all of the attic’s openings is still a good idea, and the air will continue to flow directly from the ridge vents to the louvered vent and outside.

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