Cut panels on roof.
Onduran over metal roof.
When installing a metal roof over an existing roof insulate the spaces between the wood strips with rigid insulation to prevent condensation before installing the roofing.
Moisture can collect on the inside of your metal roof whenever warm moist air inside your building meets the cold metal of your roof.
This condensation can collect and drip onto interior drywall or home furnishings.
A typical metal roof overhang may be 2 to 4 inches or even less.
Metal roofs must be laid flat on a vapor barrier because steel will condensate if there s any air space underneath it.
Home the metal roofing learning center metal roofing problems.
238t recover systems provide a long term solution to existing exposed.
Before doing any work with the metal roof insulation you should have it brought up onto the roof.
Also don t go up on the roof if it s windy.
Mcelroy metal has develop several methods to recover an existing metal roof using the symmetrical 238t standing seam roof system.
You also need to add.
An affordable option and easier to lay than shingles tin is the most commonly used type of metal roofing.
Make all cuts to the foam panels on the roof for more accurate cuts and quicker placement.
In a residential application however condensation is a concern.
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.
Let s take a look at the most common types of metal roofs for houses.
Does the existing roof need an insulation upgrade.
Available systems include a patented frame less metal over metal recover option that provides a low cost retrofit solution over existing exposed fastened panels with ribs up to 1 5 tall.
7 things to know before choosing a metal roof if your current roof is the root of your headache and maybe even a long list of costly home repairs consider these metal roofing pros and cons.
This reduces the need to go up and down the ladder for tools pieces of insulation and making measurements.
If it s slightly windy keep the steel downwind from you so a gust of wind doesn t knock you over.
Metal roof over shingles condensation.
Whether you are looking to install a metal roof on a shed or a house it s important to know the difference in the various types of metal roofs available.