Rolled Roofing Over Metal Roof

Common roofers term explained by roofs by rodger of champaign il.

Rolled roofing over metal roof.

It can be installed simply and requires only nails and roofing cement. Things to know about metal over shingle roof problems. Swathes of rolled roofing form a relatively flat smooth surface over a roof deck which is ideal for treatment with viscous membranes such as elastomeric coatings. Roofing felt paper is a material designed to promote a solid connection between the roll roofing and the rest of the roof.

Both metal and shingle roofs are great options for your next roofing project. Typically applied with trowel brush or roller elastomeric membranes form a flexible waterproof covering over roof surfaces. It also helps smooth out the roll roofing which improves the appearance of the roof. Roll roofing is a good choice for covering an existing roof.

However the efficacy of elastomeric compounds depends on installation circumstances and surface preparation. Roofers champaign il faq. After all you ll be making a significant and long term investment. Rolled roofing material is often used on roofs that are low sloped.

Reroofing over asphalt shingles inspectapedia. It has a life expectancy of anywhere from six to 10 years but it s fairly inexpensive. Re roofing asphalt shingle roofs best. What is an eave drip.

If your roof pitch declines up to 1 inch vertically for every 12 inches horizontally 1 12 pitch it is a good candidate for rolled roofing as long as you use the concealed nail method of fastening. Here s another mobile home living article about roofing that may help. Metal roofing materials are available in several styles that require different fastening applications but are most commonly screwed to the roof framing or sheathing material which in the case of installing over existing roofing material should be fastened using 2 1 2 inch screws. Pros and cons of going over existing roof material the journal of light construction.

This video may. If you are trying to decide between the two materials it s important to carefully look at the metal over shingle roof problems. More mobile home roof over resources. Rolled roofing is designed for use on roofs that are low sloped so check to make sure your roof is adaptable to it for installation.

Lay a metal roofing panel over the existing roof material in the bottom corner of the roof surface and fasten to the roof according to the metal panel instructions. Metal roofs may also be more costly than other options however they do tend to last the longest and require the least amount of maintenance in the long run.