Can You Put A Rubber Roof Over Asphalt

However you ll want to check with your local building department before you make any decisions.

Can you put a rubber roof over asphalt.

If you can t afford a metal roof you can put the rubber over the old asphalt. It cannotbe bonded to uneven surfaces such as shingles as this hinders the membrane from successfully bonding onto the surface. Metal roofing is a commonly used material for several reasons ranging from low cost to durability. It cannot be adhered directly to asphalt.

Yes you can install a metal roof over shingles. 6 coverstrip over the seam will work for this. Asphalt shingles can be laid over cedar shakes or shingles however this is a roofing project best left to pros. The solid line represents the built in guter and the dotted line being the flat roof where the bed room extends about 4ft out from the house.

Before you reshingle a roof read our step by step guide for adding new shingles over old ones. About rolled roofing the term rolled roofing generally refers to a product called mineral paper which builders use as a primary roof covering on sloped residential roofs. If your doing a whole section you can lay a 1 2 coverboard. Building officials in some areas will only allow a re roof over one layer of shingles while officials in other places may allow you to place the roof over two layers of shingles.

An epdm rubber roofcan be bonded to asphalt but this depends on the rubber membrane system you are using. But they are a bit more expensive. The new waterproof membrane can then be bonded to the insulation. If you just doing a section you most often can cut out the old and put in the new.

If the existing roof deck is in good order then in most cases the existing waterproof layer such as felt can be left in place and the new insulation bonded over the top using pu adhesive or mechanically fixed using screws and washers. If you re planning on placing a rubber membraneacross an existing roof covering you ll have to make surethat the surface is suitable for bonding. If you have any existing leaks you need to pick up a bucket of roofing compound and apply it to ensure no chance of leakage. The problem would be a back water lap.

If you learn about the characteristics and installation requirements of elastomeric coatings you can determine when and where to apply them. Just make sure that you scrape off all loose rock if your roof is tarred and rocked. It leaks over the bed room where the flat roof is the water does not drain from that area. Beveled wood pieces called horsefeathers must be laid along the thick edges of the shakes to make a fairly flat surface.

Now this roof is a old rolled asphalt roof that has been coated many times with roof pitch. If its epdm condensation can and does happen between the two layers eventually un gluing them selfs.