Quick visual on the layout for metal roof on top of shingles using 1 4.
1x4 strapping for metal roof.
The architect spec d horizontal 1x4 strapping over the sheathing and then 15 roofing paper over that somehow thinking that the paper wouldn t sag between the strapping and cause damming not to mention the logistics of trying to hold down all the paper while bringing tin onto the roof without making holes in the paper.
Use 1 1 4 inch nails to cover the outline of the roof with strips of metal eave flashing also called edging.
Place corner pieces where panels will meet bends at the edge of the roofing.
This weekend i will be installing a metal roof i m just trying to lockdown more specific information on what to fasten the 1x4 straps with.
Also most products that go on strapping have exposed fasteners overlapping panels rather than interlocking panels little if any allowance for expansion and contraction and sometimes these products have lower.
Strapping the roof also involves raising the level of the roof which can require different trim pieces raising the gutters etc.
Metal roofing 101 diy steel roofing installation over shingles subscribe.
Some manufacturers want to see firring strips commonly 1x3 or 1x4 running up and down the roof supporting the center of the flat part of the panels not uslaly called for under the ribs because you are not supposed to step there i have seen 1x2 or 1x3 s called out for at the third points of the flat part the web on wider panel roofing.
My options are either a screw them in with a drill b rent a nail gun compressor or c hand hammer the nails.
It should overlap the edge of the gutter if you have them.
If there are gutters installed on the eaves the eave flashing should be installed to overhang the lip of the gutter by about 1 2 inch.
The roofing is manufactured in panels that.
The edging or eave flashing consists of metal strips that are used to cover the perimeter of the roof.
Installing wood stripping under a tin roof.