Can I Put Rolled Roofing Over Shingles

If you re considering a new roof for your home or outbuilding and are looking to stick to a tight budget roll roofing may be a good choice.

Can i put rolled roofing over shingles.

However re roofing over more than 1 layer is often prohibited. If conditions are right new shingles laid over old shingles can be just as attractive and durable as shingles laid on bare sheathing. Of course the production costs for rolled roofing is significantly lower because it requires less effort to put asphalt on a large roll than making individual roof shingles. If you don t want to do a complete tear off of your existing shingles you have to consider a number of factors.

Some people think that they can just install the metal roofing right over the old shingles roof without any barrier in between but this is highly not recommended. Rolled roofing is generally more affordable and budget friendly than roof shingles. Rubber roofing cannot be applied directly over shingles. Though it doesn t have the life expectancy of traditional roofing shingles roll roofing is a budget friendly option that s acceptable for many low slope roofs.

Roll roofing generally is sold in a sheet 36 inches long and 60 to 90 feet wide. Roll roofing is asphalt based like most shingles. There are three systems including glue down torch down and peel and stick. You don t need to get a professional in to apply rolled roofing to your house or shed you can do it yourself.

If you get the right materials and stick to the process you can have rolled roofing applied in a few hours. But you must take care to install shingles correctly so they lie flat. Installing new roof shingles over old effectively doubles the weight of the roofing so you have to make sure your roof structure can handle the extra load. The problem with this is that as the metal heats up and expands or cools down and contracts it moves a little on the roof.

Not to mention that the prices of roof shingles may vary based on the material. It is easier and quicker to manufacture than shingles since it is a single piece and as a result it is a good deal cheaper. Chances are your roof structure was designed for a dead load of one layer of shingles plus extra for snow and a safety margin. Installation is easier than for a tear off job because you can use the existing shingles as guides for laying the new ones.

Roll roofing is made from the same asphalt composition material as shingles and it s easier to install.