How To Start Screws Into A Metal Roof Panel

Many newer metal roofs are built with exposed fasteners which can leak if the metal roof installation guide is not carefully followed.

How to start screws into a metal roof panel.

Beginning at the outside edge of your roof place each panel directly onto the purlins that are attached to the roof trusses. There are two schools of thought when it comes to corrugated metal roofing screw placement both are correct. Place the cover over the vent opening and screw into place. Moreover try to ensure that the screws are all aligned evenly.

In addition if the metal roofing panel is being installed over metal purlins the spacing of the purlins might make it tricky to pre drill the sheeting in advance. Take your first sheet of metal and place it on the roof so that it overhangs the edge at least 3 4 in 1 9 cm. Preventing leaks lengthens a roof s life. You will use metal roofing screws to secure the metal panels to the sheathing.

To install corrugated roofing start by cutting your panels to length with an angle grinder. Add the metal panels. 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. Installing the metal roofing screw in the high of the corrugated roofing panel as shown below.

Therefore you do not need to pre drill the holes. Start from the top of the roof and remove the old shingles along with the flashing underlayment and vents. Proper metal roofing installation begins with the use of the right equipment starting with the screws used to anchor your panels or shingles to the structure. A metal roof is a long lasting roof but checking the screws for damages is an important part of metal roof maintenance.

The advantage to this method is the screws are exposed to less water and debris. Next pre drill holes on the end and side ridges of the panels spacing the holes 6 to 8 inches apart. Always begin working at the point with the longest peak to eave distance. This means that the screw will drill its own hole through the metal roofing panel and into the metal or wood substrate.

Try to space the screws about 12 inches apart down the entire piece of metal.