From underlayment venting layout.
How to install a flat seam copper roof.
Rectangular cold rolled copper sheets.
Remove the old roofing.
Copper manufacturers do recommend a roofing felt underlayment topped by rosin building paper to keep the saturated felt from bonding to the copper.
We cover all the basics of metal roof installation.
The good news is that there are many different solutions in terms of installing metal roofing panels including tin aluminum and steel.
Flat seam roofing systems are typically used on roofs that are flat or have a low pitch or alternatively on very steep slopes.
An affordable option and easier to lay than shingles tin is the most commonly used type of metal roofing.
Low slope metal roofs have simple geometries and are easier and less expensive to install that medium to steep slope roofs.
This old house experts install a standing seam copper roof on a small addition.
Although you can install corrugated metal roofing over shingles for the best foundation it is recommended that all the old roofing be removed.
The area where each panel joins the next is raised above the roof s flat surface.
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.
Let s take a look at the most common types of metal roofs for houses.
Oil canning is easily one of the hottest topics in metal roofing because it can be difficult to define and measure.
Low slope roofs are not totally flat their roof slope generally ranges from 1 4 12 to 3 12.
This old house experts install a standing seam copper roof on a small addition.
They are also used on curved surfaces such as domes and barrel vaults.
Low slope metal roofs require less material which reduces the overall load on the building s structure.
This old house general contractor tom silva and host kevin o connor show you the proper way to install a copper roof in order to ensure stability resistance to the elements and.
In any event before starting you should install metal edging around the perimeter of the roof to support the to 1 overhang of the sheet metal to discourage water from running back under the edge.
Installation of a standing seam metal roof involves joining vertical interlocking panels from the top of the roof ridge to the roof s eave edge.
Metal roofing panels are now available in a wide range of colors and styles.
Flat seam roofing is constructed of 18 by 24 20 oz.
Think of oil canning as the metal on a standing seam metal system being over stressed and unable to hold a flat form which causes the metal to give in and create visible waves.
