How To Put On A Metal Roofing Screws

Therefore you do not need to pre drill the holes.

How to put on a metal roofing screws.

How to calculate and place screws. Make sure that you are not placing the roofing screws too close to each other or too far apart. Space the screws about 12 in 30 cm apart down the entire piece of metal. Install the roofing screws vertically along each rib in the panel.

Place the first screw. This means that the screw will drill its own hole through the metal roofing panel and into the metal or wood substrate. Hold the drill so that the length of the screw is. The table below can be used to figure approximate quantities of screws for various purlin spacings and sizes of roofs.

Screws are available in quantities of 250. Take care the first piece is aligned precisely perpendicular square to the edge. Insert the head of a self tapping metal roofing screw into the bit on the end of the drill. The screws that are used to attach the metal roofing are self drilling screws.

Position the metal roofing into the desired location. 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. One item of importance is that you will have additional screws at the ends of the panels. 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.

1 inch and 2 inch. Generally it is best to place each roofing screw about one and half to two feet apart but no more than that. Use your neoprene washer head screws to secure the metal to the sheathing. The 1 inch variety is the best all purpose size.

Allsteel carries screws in 2 different lengths.