How To Make Wooden Attic Vents

A drip edge vent is made of a corrosive resistant material that sticks out about three inches back from the roof edge and then bends downward over them.

How to make wooden attic vents.

Build a bigger size gable vent. 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. Make a maintenance free vent. Step 1 determine the size and shape of the gable vent.

The area on your roof where two sides meet and form a triangle is called a gable. Placing two vents on two opposite sides of a greenhouse ensures cross circulation. Install curved or sloped top trim as shown. Things you will need.

Prime the frame if wood before installing the louvers. Use different types of wood such as cedar etc. 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.

The easiest shapes of gable vents to build are triangles and rectangles. Build a gable louver vent. 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. Turn the wheel on the table saw that adjusts the angle on the blade until you get a 45 degree angle.

Step 3 cut the wall space to house the louver vent. Build a rectangular box using the 1 4 s. Cut the first louver to test the. 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.

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. Adding a slotted piece of wood or siding to this area allows air to flow in and out of your attic. The position of greenhouse vents is very important because your goal is to create as much air circulation as possible. Screw holes through both flanges.

Install extra louvers to make smaller spacing in between. Space the holes 12 to 14 in. Figure out how much lumber you will need and what type you will use. 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.

Do a regular trim on bottom instead of custom bottom sill. Rough sawn cedar is used in the images here for. Slits in the product allow for. Set the table saw fence on 5 inches.