Can Metal Roofing Be Put On Top Of Shingles

By removing the old roof before the new roof s installation you are able to give the underlayment a thorough inspection to ensure there are no damages that could.

Can metal roofing be put on top of shingles.

Finally in some re roofing projects a metal roof is so light roughly one third the weight of asphalt that it can be installed directly overtop asphalt shingles without overburdening the roof. Choosing to install a metal roof this way can save you some dough and garner all of the benefits of a metal roof in the humid climate of florida. Asphalt shingles can be laid over cedar shakes or shingles however this is a roofing project best left to pros. These systems aren t attached to a frame but instead install directly on the old roof.

Beveled wood pieces called horsefeathers must be laid along the thick edges of the shakes to make a fairly flat surface. 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. Installing a metal roof over shingles can also result in an increased chance of trapped water vapor and moisture between the new roof and old roof resulting in new mold and rot. Can you put metal roof over shingles.

Here are some pros and cons. 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. Otherwise you will need to remove the shingles. Start on the lower edge of the roof install the starter shingles by nailing them down using roofing nails.

Most metal shingles will be attached to the roof using metal shingle clips but metal roofing shingle installation can be system specific. But some steel shingle manufacturers offer do it yourself systems that cost about the same as an installed asphalt roof. Install the roof shingles. Covering your existing asphalt shingles with metal roofing might be worth the expense.

A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles. Finally the preparation is over you can now install the shingles. Consult the guide for your shingle brand to determine the specific method of installation required to preserve the warranty. Can you avoid tearing off your old asphalt shingle roof by putting a steel roof over it.

Most codes now allow no more than two layers of roofing before. However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof. Consequently they don t have the same ventilation advantages. A metal roof can be installed over a shingle roof but you ll need to make sure the plywood under your shingle roof is in good enough shape to handle a new metal roof over top.

Before you reshingle a roof read our step by step guide for adding new shingles over old ones.