Proper Roof Jack Installation

I came across this steep roof and took this video about installing the roof jacks and the board before installing the roofing materials.

Proper roof jack installation.

From inside the attic your roofing professional will drive a nail about one third of the way down from the ridge between two rafters to mark the desired spot for installation. Cut roof shingles to fit around the roof jack and insert them under the existing shingles. If you were not provided with base flashing you can install step flashing up the side of the chimney. Prepping installation carefully place a ladder by the side of the roof and make sure that it is stable and.

Roof jacks provide a stable surface to work increasing safety and making it easier to apply roofing. For many people out. All nails need to be carefully driven fully into a roof rafter to ensure a safe installation. This will help determine how the shingles will lay on the roof width.

Ensure the chimney s base flashing is in proper order secured to the roof as the manufacturer or mason recommends beneath the shingles. Be careful when placing roofing materials on jacks so they are secure. Measure the length of a shingle as it lies across the roof. Ideally locate a rafter below the sheathing.

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. Make sure to examine each driven nail and test each roof jack before placing any planking on top. Placing the first roof. It is usually placed on the fourth.

In this video i show you how to install a lead flashing on a electrical pipe something that every roofer should know. Hope you like it and subscribe. Most asphalt shingles are 3 feet 91 4 centimeters in length. 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.

From the roof he will cut a hole the same size as the diameter of the vent. Do not stack material more than one layer high. Determine placement determine the best place to fasten your first roof jack. Add dimensions a and x from table 1 and fig.

Middle jacks will help when extra material is loaded on the roof or when workers need to walk from spot to spot. Slide a new roof jack sized to fit your vent pipe over the pipe. Select the appropriate roof jack from table 2. 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.

Secure the new roof jack to the roof decking with roofing nails. Re install any jacks that are loose or can shift.