How To Make Wooden Attic Vents

Slits in the product allow for.

How to make wooden attic vents.

Build a rectangular box using the 1 4 s. Install curved or sloped top trim as shown. Put some glue on the ends of the remaining 22 1 2 inch pieces and secure them between the 28 3 4 inch pieces with box nails. Placing two vents on two opposite sides of a greenhouse ensures cross circulation.

Use different types of wood such as cedar etc. Measure the gable to decide how large a vent you can put into it and to determine the pitch of the roof if you want. Roof vents are also good as the hot air rises and the temperature in the greenhouse can be lowered in the summer simply by opening a vent. Step 3 cut the wall space to house the louver vent.

Step 1 determine the size and shape of the gable vent. The position of greenhouse vents is very important because your goal is to create as much air circulation as possible. Adding a slotted piece of wood or siding to this area allows air to flow in and out of your attic. Do a regular trim on bottom instead of custom bottom sill.

Step 2 draw a plan for cutting the lumber or pvc for the vent. Prime the frame if wood before installing the louvers. Raise the vent up to the soffit photo by merle henkenius next lay the strip vent down on a flat wood surface such as a plywood sheet or long 2 x 4 and drill 1 8 in dia. Build a gable louver vent.

Screw holes through both flanges. Space the holes 12 to 14 in. Cut and set a second louver into the bottom of the gable. Run the 1 6 lumber through the table saw to cut a 45 degree angle onto one side.

Build a bigger size gable vent. Set the table saw fence on 5 inches. Install extra louvers to make smaller spacing in between. Drip edge vents are a two in one installation that promote water shedding at the eaves and rakes of a roof while also allowing for ventilation into the attic.

Cut the first louver to test the. Things you will need. Make a maintenance free vent. The area on your roof where two sides meet and form a triangle is called a gable.

Since gable vents rely on strong winds to make them effective gable vents are often used in addition to other attic vents including soffit vents. Figure out how much lumber you will need and what type you will use. Turn the wheel on the table saw that adjusts the angle on the blade until you get a 45 degree angle. Rough sawn cedar is used in the images here for.