Proper Roof Jack Installation

All nails need to be carefully driven fully into a roof rafter to ensure a safe installation.

Proper roof jack installation.

Do not stack material more than one layer high. Cut roof shingles to fit around the roof jack and insert them under the existing shingles. Select the appropriate roof jack from table 2. In this video i show you how to install a lead flashing on a electrical pipe something that every roofer should know.

Nail the new shingles down with roofing nails so the nails are covered by the shingle above. It is usually placed on the fourth. Secure the new roof jack to the roof decking with roofing nails. Ideally locate a rafter below the sheathing.

Slide a new roof jack sized to fit your vent pipe over the pipe. Most asphalt shingles are 3 feet 91 4 centimeters in length. Placing the first roof. This will help determine how the shingles will lay on the roof width.

Roof jacks provide a stable surface to work increasing safety and making it easier to apply roofing. Measure the length of a shingle as it lies across the roof. Middle jacks will help when extra material is loaded on the roof or when workers need to walk from spot to spot. Determine placement determine the best place to fasten your first roof jack.

Determine the depth of the ceiling cavity from the center of the roof opening to the top of the furnace see dimension a in figure 1. If your roof s width is not an even multiple of the shingle s length you will have a partial piece on one end of each row. Prepping installation carefully place a ladder by the side of the roof and make sure that it is stable and. Hope you like it and subscribe.

I came across this steep roof and took this video about installing the roof jacks and the board before installing the roofing materials. Be careful when placing roofing materials on jacks so they are secure. Re install any jacks that are loose or can shift. 2 if slant deck flashing is used.

If you were not provided with base flashing you can install step flashing up the side of the chimney. How to install roof jacks step 1. For many people out. You can usually feel sheathing nails which are driven into rafters through the underlayment attach a jack by driving two 16d nails never roofing nails into a rafter.

Make sure to examine each driven nail and test each roof jack before placing any planking on top. Add dimensions a and x from table 1 and fig.