Install New Metal Roof Over Old Metal Roof

Installing a metal roof over an existing shingle roof.

Install new metal roof over old metal roof.

The installation of metal roofing is often easier and faster than other roof types and because of its simple design and generally large size can actually be installed directly on top of existing roofing materials like asphalt shingles and foam roofing. Most codes now allow no more than two layers of roofing before. Metal roofing is a commonly used material for several reasons ranging from low cost to durability. March 11 2020 by safe harbor roofing.

There are several advantages to metal roofs 40 year warranties water shedding properties and energy efficiency being some of the more publicized examples. Let s take a look at the most common types of metal roofs for houses. Should you tear off the old roof and start over or simply remove the fasteners from the existing roof and install another roof over it. Need a new roof.

A lesser discussed but equally attractive advantage is that a metal roofing system can often be installed right over an existing roof. Drip edge or edge metal is a piece of metal that extends approximately 0 75 inch beyond the roof s edge to channel runoff into your gutters. Here are some pros and cons. Mcelroy metal has develop several methods to recover an existing metal roof using the symmetrical 238t standing seam roof system.

238t recover systems provide a long term solution to existing exposed. But is this a good idea. Covering your existing asphalt shingles with metal roofing might be worth the expense. A benefit to doing it this way is that you can see if there is any rotten plywood that needs to be replaced before installing the new roof.

Reroofing is the practice that involves installing a new roof over an existing one. 1 remove the shingles before installing the metal roof the first way to install a metal roof over shingles is by completely removing the old shingles before installing the new metal roof. Metal over metal retrofit considerations 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. 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.

Some roofers recommend this practice to homeowners who are planning on switching from an asphalt shingle roof. An affordable option and easier to lay than shingles tin is the most commonly used type of metal roofing.