How to use roof jacks on existing roof
Video How to use a roof jack on an existing roofRoof jack provide safe platform on sloping roof. They attach to the roof with nails, but not with roofing nails; although the head is wide, the hooves are short, the shank diameter is small, the tip is easy to pop out. Use a 10d to 16d plain nail and drive the nail through the roof shell and into the frame (see photo). Do not rely on nails driven into the roof shell as they are likely to be pulled out. Place the jacks about 6 ft to 8 ft apart horizontally. Plan the jack positions so that it is within 1 ft. Calculate from the ends of your truss plank. Also, think ahead to avoid placing the jack where the joints between the shingle and the cut-out would occur in the course just above. to drive the nail in. The shape of the holes or slots allows you to remove the jack later without removing the nail: Just tap the jack tip and the nail will release. To allow the jacks to slide up during removal, be sure to let them hang low enough when you install them; otherwise, the base of the board will bruise the butt edge of the shingle. Read more: how to save the final cut project to the desktop The backs of the triangular jacks will rest on the exposed shingles below. With all the movement, the jacks will absorb as you walk on the board placed on them, the backs can infiltrate or scratch the particles on the shingles surface, or worse, they can cut through the shingles. shingles stain. For protection, place a piece of scrap shingle between the back of each roof jack and the roof shingle. You can also use pieces of wooden shingles as padding.
Apply two layers of shingles above the roof frames before placing the trusses on top of them.
Protect the shingle surface underneath the roof frame by inserting a piece of shredded shingle between the frame and the roof. through the jacks on the roof. Fully cut 2×8 or 2×10 planks fit the roof-jack supports quite well. When you place the planks, make sure you don’t hammer them in place as you could pull the nail out of the jack. Stack the ends of the planks from 1 ft. To 2 ft., ensure that the sealing ring occurs on a jack on the roof. To hold the planks in place quickly, drive nails through the holes in the upward facing ends of the supports and into the sides of the truss plank. THINK AFTER: When you feel like you’re about to reach the limit of your vertical reach when skateboarding, install a row of jacks on the roof and apply two more layers of shingles above the jacks. This way, you won’t be in the awkward position of starting to work on the next level above. You will start working at a height of 1 ft on the board. Read more: Spelling tips: Friends or freedom? | Top Q&A
Setting up jacks around shingles
Sometimes you’ll realize that you forgot to install a row of roof jacks and you’ve exceeded your reach limits. You can still install the jacks underneath the already installed shingles. Do this by lifting the contact portion of the shingle where you want the jack, sliding the foot underneath, and carefully driving the nail through the holes. An extra set of hands may be needed to hold the shingle while you hold the jack and nail. Be careful not to bump the butt of the shingles shingles when swinging the hammer. In cold weather, shingles won’t curl up without cracking. In this case, you may have to force a nail through the face of the shingle to attach the roof jack. Before doing this, place shingle debris underneath the nail holes to secure the shingle underneath. As you remove the roof jacks, pull the studs and slide a flashing metal piece covered with roof cement underneath the shingle under the holes. Apply small pieces of cement to each hole in the shingle, then scrape the color particles from the scrap shingle and press them into the cement. This will seal and hide the damage caused by the roof jacks. WORK INTELLIGENTLY: Note that your toes, tools, and materials stacking on the planks can easily bruise the surface of the shingles just behind the plank. As you walk along the planks, they will be flexible. Anything that touches the shingle surface can wear it off as the boards move up and down. The problem is worse in warm weather when the shingles subside. | Top Q&A
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