Use your neoprene washer head screws to secure the metal to the sheathing.
How to install a metal roof on trusses.
Workers manually move the first truss to the end of the roof and stand it up positioning it on the corresponding number on the wall plate.
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.
Installing wood stripping under a tin roof.
A metal roof can easily be installed directly over open rafters.
Attach the roof truss to the frame every two feet.
Mark all the bracing locations as per the drawing.
Install all the trusses in a similar manner with perfect nailing.
For this you can use metal gusset plates and attach these with the help of nails and glue.
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.
Place the assembled on the frame of the roof using the level make sure it is straight and even.
Use adhesives if required to add extra security.
Now when you are done with construction of roof trusses the only thing that you have to do is to take them to the roof safely.
The roofing is manufactured in panels that.
Once in place the workers nail the truss to the wall.
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.
Take care the first piece is aligned precisely perpendicular square to the edge.
Depending on your needs and preferences you can install the roof with or without insulation but in many cases rolled insulation designed for a metal roof is a good idea.
Use galvanized deck screws that are three inches long.
Be sure the larger edge is laid so that the small edge of the next panel will overlap it.
The building codes will determine the amount of overhang you need based on the size of the roof.
These will stop the entry of rain wind and pests.
Tin roofing also known as metal roofing is considered more durable than composition or wood shingles.
If you are installing the trusses with hand then it is very much important use effective tools to join all members perfectly.
Close or seal off the ends with a wood or plastic strip under the panel at each end.
Place them directly onto purlins that are attached to the roof trusses beginning on the outside edge.