Can You Put A Rubber Roof Over Asphalt

If its epdm condensation can and does happen between the two layers eventually un gluing them selfs.

Can you put a rubber roof over asphalt. Before you reshingle a roof read our step by step guide for adding new shingles over old ones. 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. If your doing a whole section you can lay a 1 2 coverboard. It cannot be adhered directly to asphalt.

6 coverstrip over the seam will work for this. Yes you can install a metal roof over shingles. It cannotbe bonded to uneven surfaces such as shingles as this hinders the membrane from successfully bonding onto the surface. Though rubber roofing is not terribly heavy applying it over an already weighty roof system may prove deleterious in the future.

Metal roofing is a commonly used material for several reasons ranging from low cost to durability. Asphalt shingles can be laid over cedar shakes or shingles however this is a roofing project best left to pros. The problem would be a back water lap. Last rubber roofing must be provided with a barrier between it and the old roof.

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. 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. 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. The new waterproof membrane can then be bonded to the insulation.

It leaks over the bed room where the flat roof is the water does not drain from that area. Just make sure that you scrape off all loose rock if your roof is tarred and rocked. Now this roof is a old rolled asphalt roof that has been coated many times with roof pitch. But they are a bit more expensive.

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. However you ll want to check with your local building department before you make any decisions. Beveled wood pieces called horsefeathers must be laid along the thick edges of the shakes to make a fairly flat surface.

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. If you can t afford a metal roof you can put the rubber over the old asphalt.