If you choose to install metal roofing over shingles there are certain things you must keep in mind.
Re roof over existing metal roof.
Some roofers install a layer of waterproof shingle underlayment wsu over the existing shingles at the eave end as would be done for a roof laid on bare sheathing.
Address any existing roof leaks and replace rotten rafters or.
Roofing over your existing roof is not always possible.
This provides added protection against ice dams.
Are there workers in the building that would be at risk if the.
Our roof systems can be installed over existing metal shingle rubber and asphalt roof systems.
We have safely installed over 1000 roofs.
This is a good option to prevent existing business interruption.
Roof systems such as a standing seam metal panel roof system installed in a low to steep slope roof system conversion are permitted to be installed without removing the existing roof system s provided the new roof system transmits roof loads directly to the building s structure and does not rely on the existing roof system s for support.
If your existing metal panels are in need of repair or replacement due to deterioration leakage or a lack of insulation there are a couple options to consider for your re roof.
The only way to know for sure whether it will work for you is to ask a professional roofer.
They re common in areas where there is a lot of snow as the slippery surface sheds snow easily.
But first here are a few precautions about the underlying material.
There are a number of issues a roofer will have to deal with when it comes to metal over metal retrofits but listed below are a few where the use of a roof hugger system may help resolve.
There are a few situations where roofing over an existing roof just isn t possible.
Installation of metal roofing over shingles.
Metal roofs are expensive but they re incredibly durable and can last 50 years or more.
Many single ply membrane roofs rely on the existing metal roof to function as a structural deck for support and attachment of the roof system including board insulation as well as for support of live snow and wind loads and for providing.
Tile clay or cement.
Does the existing roof need an insulation upgrade.
A metal roof is made out of connecting sections of metal roofing cut to fit your home.
We can site form several different profiles of standing seam roofs on site in continuous lengths and are a certified installer for the top roofing manufacturer systems.
Option 1 apply new insulation and new metal roof panels over the top of existing panels.
However installing new flashings including special drip edge flashings made for reroofing will ensure a tight seal and a long life.