I have already written a fairly detailed guide about gable vents on this blog but due to the large amount of queries about the installation process, I have decided to cover this topic separately in this article. Click on a link below to jump to the section that interests you.
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- Step 1: Gather all the tools and the vents that you need.
- Step 2: Prepare the area.
- Step 3: Framing.
- Step 4: Prepare for cutting.
- Step 5: Cutting.
- Step 6: Siding work.
- Step 7: Caulking and fitting.
Ventilation for your attic is undoubtedly extremely important. Without them, in the summer your attic can reach scorching temperatures, resulting in more energy use to cool your home costing you more money. In the winter, hot air can cause moisture buildup risking rot to your roofing members and insulation.
First of all, before we start it is very important to mention beforehand, although gable vents are relatively easy to install, I cannot stress enough that it is more advisable to get a roofing professional in your area to give you a quote and install the vent for you.
Although this costs more up front, it comes with a guarantee that the vent has been installed properly which could end up saving you money, as if you were installing the vent yourself and you made a mistake, you would have to hire a professional to rectify these damages, costing you more than it would have to get a roofing pro to do the job in the first place.
Step 1: Gather all the tools and the vents that you need
For the first step you are going to want to gather all the tools needed along with your vent that you are wanting to install. The last thing that you want is a hole in the side of your home to then realize you are missing something and have to run out to buy one them.
I have added a list below for all the tools that you are going to need to begin installing your brand new gable vent.
- Tape measure
- Reciprocating saw
- 2×4 Lumber
Step 2: Prepare the area.
First off you want to prepare the area, start by using the template that came with your gable vent to mark out the area you want to install your new vent. Use a pencil for this and make sure that you draw accurately on this step. In the event that your vent did not come with a template, you can simply use the vent itself.
Step 3: Framing.
Next, you want to take your 2×4 lumber and cut it to build yourself a matching frame around the area you just marked for your vent. Give a 1/4 of an inch spacing when doing this for clearance. Once complete, drill holes in each corner of the framing all the way through the wall.
Step 4: Prepare for cutting.
Use your chalk line to connect the holes that you have just drilled. Make sure the chalk line is tight and snap it in a straight line. Make sure that you connect all the holes to frame the area perfectly.
Step 5: Cutting.
Take our your reciprocating saw and ensure you have a large enough blade attached that it will cut all the way through your wall. Cut along the chalk line carefully, ensuring not to cut over this line, also make sure that you cut level through the wall. Remove all the debris after the cutout.
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Step 6: Siding work.
You going to need to work on the outside for this step as we are going to be doing work to the siding of your house. Place your gable vent flange against your wall in your newly cut hole and use a marker or pencil and outline the flange on your wall siding. Cut out and remove the siding where your vent flange will sit. You want a nice cozy fit so be sure that your measurements are correct. It never hurts to measure twice.
Step 7: Caulking and fitting.
This is the last step and it is time to apply the caulking and ensure a watertight seal. Apply caulking to the opening of the hole you have cut for your vent, this will not only help keep the vent itself in place, but it will also assist in keeping the water out for waterproofing. Now slide your gable vent in and ensure it is a snug fit, mount the vent using either the screws that came with the vent or if it did not, ensure you use screws that are two inches or longer.
Now that your vent is fitted in place, for an extra tight seal from water, apply caulking all around your vent and smooth it out with your finger ensuring you don’t get any on the front of your vent.
As you can see, the gable vent is not extremely difficult to install, however as I stated above, I would highly recommend that you at least look at getting a roofing professional in your area give you a quote to do the job, you really do not want to make any mistakes while installing any roofing ventilation. Any improperly installed vents could lead to your vent not functioning optimally or allowing moisture into your attic.
Hi there! My name is Jonathan and I absolutely love writing DIY roofing guides. If you have any questions, I invite you to leave them below in the comment section and I will get back to you as soon as possible. If you enjoy my work, please follow me on social media or share this post on yours. All this information has been double checked for accuracy, but please let me know if I have missed anything!