Be sure the larger edge is laid so that the small edge of the next panel will overlap it.
How to overlap sheet metal roofing.
Metal roofing can also be significantly more expensive.
As a first line of defense against water damage it is important that the metal roof overlap be implemented correctly.
Overlap details are the shorter unfinished sides of the sheets which help prevent capillary action drawing water in through the overlaps.
Add the metal panels.
Lifting metal roof panels.
When overlapping sheets its recommended to use mastic lapping tape.
Water penetration can cost homeowners big bucks when the seams of metal roofing sheets have not been sealed properly.
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.
Take care the first piece is aligned precisely perpendicular square.
Side laps are created when you lay the sheet side to side.
How to seal between metal roofing sheets.
The sheets should overlap by at least four inches add a bead of caulk where they overlap and at the other end of the building ensure there s an overhang of two inches.
For lifting any roof sheets ensure you have sufficient numbers of people physically able to lift the roofing sheets but this depends on the length of the sheets you have ordered.
The good news is that there are many different solutions in terms of installing metal roofing panels including tin aluminum and steel.
Always begin working at the point with the longest peak to eave distance.
Metal roofing resists rot is not susceptible to insect damage and is non combustible a boon in fire prone areas.
One downside is that the metal sheets have a susceptibility to denting both in installation and during hailstorms.
In many cases it makes sense to remove an old or dilapidated roof and install a metal roof that is better able to withstand the elements.
The installation of metal roofing involves placing large metal panels on the roof.
The panels overlap allowing water to flow from one panel to the next without being able to penetrate the area under the roofing panel.
Please note weather coditions must be considered before handling.
Apply butyl tape and waterproof roof.
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.
Once the first sheet is in place you need to install the remainder of the lowest row of corrugated metal roofing.
It should overlap the edge of the gutter if you have them.
Secure the sheets into place with screws.