Can You Put A Rubber Roof Over Asphalt

If your doing a whole section you can lay a 1 2 coverboard.

Can you put a rubber roof over asphalt.

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. But they are a bit more expensive. 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. It cannot be adhered directly to asphalt.

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. It leaks over the bed room where the flat roof is the water does not drain from that area. Before you reshingle a roof read our step by step guide for adding new shingles over old ones. Now this roof is a old rolled asphalt roof that has been coated many times with roof pitch.

Yes you can install a metal roof over shingles. 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. An epdm rubber roofcan be bonded to asphalt but this depends on the rubber membrane system you are using. Just make sure that you scrape off all loose rock if your roof is tarred and rocked.

Metal roofing is a commonly used material for several reasons ranging from low cost to durability. 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. 6 coverstrip over the seam will work for this. 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.

The problem would be a back water lap. However you ll want to check with your local building department before you make any decisions. If you learn about the characteristics and installation requirements of elastomeric coatings you can determine when and where to apply them. Last rubber roofing must be provided with a barrier between it and the old roof.

If its epdm condensation can and does happen between the two layers eventually un gluing them selfs. The new waterproof membrane can then be bonded to the insulation. 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. Though rubber roofing is not terribly heavy applying it over an already weighty roof system may prove deleterious in the future.

Beveled wood pieces called horsefeathers must be laid along the thick edges of the shakes to make a fairly flat surface. It cannotbe bonded to uneven surfaces such as shingles as this hinders the membrane from successfully bonding onto the surface.