Clear all old roofing materials and debris from the roof. Many pros shingle in a vertical line up the roof because it’s much faster.
The second way is to install 1×4 purlins over the shingles.
How to install metal roofing over shingles step by step. Here’s an overview of the roof installation steps for. Instead, the roofers arrange them so they lay relatively flat. Find the best way possible to get to the roof with the tar paper.
Use hand seamer to tightly crimp the lock. Be sure the larger edge is laid so that the small edge of the next panel will overlap it. The layers of felt should be overlapped by 1 inch as you work toward the roof ridge.
Install a layer of roofing felt over the roof before you begin installing the new shingles. One after the other, starting with one side and from the top, install the sheets and attack the screws two feet away from each other. Any holes in the planks should be patched with flashing tape and replace the worn out boards with plywood.
This is the fastest way to install but it doesn’t provide the flattest surface for metal roofing installation. Make sure that each sheet overlaps the first one. The last step is reinstalling shingles across the transition.
Metal roofing ranges between $1.50 and $2 a square foot, depending on the brand of the roofing. You may want to wear work gloves to. Next, install the roofing underlayment.
The first is to apply an approved underlayment over the old shingles. The felt should be secured every six inches with nails or staples. Position the closure strips along the eave about one inch from the edge and stick them to the panels with butyl tape.
Do not install the top row of shingles on new construction. To do this, courses of shingles are removed, then the final sections of metal roofing are set in place before the flashing is installed. — if shingles are already installed, remove the top row of shingles and all flashing or drip edge the entire length of the attic space to be vented.
Repeat for the following rows to the other end of the roof. Remove the fascia board from the top edge of the wall. Metal roofing costs vary depending on the type of material.
Place each metal panel on an inside foam closure strip. Next, you can start installing the metal flashing at the edges of the roof. Lay the next panel toward the roof ridge, overlapping the first panel 2 to 4 inches (unless otherwise noted per panel requirements), and fasten according to panel installation instructions.
In some situations, you will be required, or may choose to use a drip edge as gable trim. Venting—the eaves to vent the roof, holes are cut in the old roof above the soffit, which pulls air through the soffit vents underneath. Continue setting panels to the roof ridge, cutting the last panel with the circular saw if necessary.
If you need to install a steel roof, hook the bottom of the first shingle into the bottom of the roof above the underlayment. The first step in shingling is loading the roof. Besides, metal roofing materials weigh much less than the shingles, making it easier for you to install then over shingles.
Hook that side lock to the drip edge and fold in down with your fingers. Once the material is up on the roof, they can move on to the starter course. Whether you’ve hired a professional or plan to install a roof yourself, understanding the roof installation process and steps involved will help you ensure your new roof is properly installed.
Step 3 — cover the old shingles. Attach your metal sheets to the framing. This will help keep any moisture from getting under the felt.
The vent being installed, whichever is shorter. Despite what you commonly see, it’s bad practice to bend the bundles severely by draping them over the ridge. Make sure that the sheets cover the whole roof area.
This compares to asphalt shingles which cost around $1.50 per square foot. This is secured using special screws. Align the first metal roofing panel so that it overlaps the edging by 1/2 to 3/4 of an inch and is square to the roof line.
This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. The surface must be clean and perfectly flat to work on. Gently tap the shingle with a hammer to make sure it’s secure, then nail the shingle into place.
Follow the roof panel manufacturer’s guidelines for. Installing a metal roof yourself can save a significant amount of. Preparing the roof for shingle installation.
This is usually best laid out in horizontal format by nailing it in place until the whole roof area is covered up. Average cost to install metal roof over shingles. These strips are shaped to fit the corrugated underside of the panel and keep bugs and water from getting underneath.
Starting at the bottom or at one end of the roof lay the felt across the entire length, and then work your way to the top or center with over laying sheets. Keep installing flashing around all the eaves of the roof.