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.

However you ll want to check with your local building department before you make any decisions. 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 learn about the characteristics and installation requirements of elastomeric coatings you can determine when and where to apply them. The problem would be a back water lap.

The new waterproof membrane can then be bonded to the insulation. 6 coverstrip over the seam will work for this. 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. It cannotbe bonded to uneven surfaces such as shingles as this hinders the membrane from successfully bonding onto the surface.

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. Metal roofing is a commonly used material for several reasons ranging from low cost to durability. If its epdm condensation can and does happen between the two layers eventually un gluing them selfs. Yes you can install a metal roof over shingles.

If you just doing a section you most often can cut out the old and put in the new. An epdm rubber roofcan be bonded to asphalt but this depends on the rubber membrane system you are using. Now this roof is a old rolled asphalt roof that has been coated many times with roof pitch. 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.

Last rubber roofing must be provided with a barrier between it and the old roof. It cannot be adhered directly to asphalt. Asphalt shingles can be laid over cedar shakes or shingles however this is a roofing project best left to pros. If you can t afford a metal roof you can put the rubber over the old asphalt.

But they are a bit more expensive. Though rubber roofing is not terribly heavy applying it over an already weighty roof system may prove deleterious in the future. Just make sure that you scrape off all loose rock if your roof is tarred and rocked. 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.

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.