Proper Roof Jack Installation

It is usually placed on the fourth.

Proper roof jack installation.

All nails need to be carefully driven fully into a roof rafter to ensure a safe installation. How to install roof jacks step 1. Placing the first roof. 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.

Ensure the chimney s base flashing is in proper order secured to the roof as the manufacturer or mason recommends beneath the shingles. For many people out. I came across this steep roof and took this video about installing the roof jacks and the board before installing the roofing materials. Most asphalt shingles are 3 feet 91 4 centimeters in length.

Middle jacks will help when extra material is loaded on the roof or when workers need to walk from spot to spot. Make sure to examine each driven nail and test each roof jack before placing any planking on top. Select the appropriate roof jack from table 2. Determine placement determine the best place to fasten your first roof jack.

Ideally locate a rafter below the sheathing. If you were not provided with base flashing you can install step flashing up the side of the chimney. In this video i show you how to install a lead flashing on a electrical pipe something that every roofer should know. 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.

Be careful when placing roofing materials on jacks so they are secure. Cut roof shingles to fit around the roof jack and insert them under the existing shingles. Re install any jacks that are loose or can shift. Do not stack material more than one layer high.

Nail the new shingles down with roofing nails so the nails are covered by the shingle above. 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. Measure the length of a shingle as it lies across the roof. 2 if slant deck flashing is used.

This will help determine how the shingles will lay on the roof width. Hope you like it and subscribe. From the roof he will cut a hole the same size as the diameter of the vent. Prepping installation carefully place a ladder by the side of the roof and make sure that it is stable and.

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. Slide a new roof jack sized to fit your vent pipe over the pipe.