Can You Put A Rubber Roof Over Asphalt

Last rubber roofing must be provided with a barrier between it and the old roof.

Can you put a rubber roof over asphalt.

However you ll want to check with your local building department before you make any decisions. Just make sure that you scrape off all loose rock if your roof is tarred and rocked. It cannot be adhered directly to 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.

It cannotbe bonded to uneven surfaces such as shingles as this hinders the membrane from successfully bonding onto the surface. An epdm rubber roofcan be bonded to asphalt but this depends on the rubber membrane system you are using. If you learn about the characteristics and installation requirements of elastomeric coatings you can determine when and where to apply them. If you just doing a section you most often can cut out the old and put in the new.

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. The new waterproof membrane can then be bonded to the insulation. Metal roofing is a commonly used material for several reasons ranging from low cost to durability. Yes you can install a metal roof over shingles.

6 coverstrip over the seam will work for this. 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. The problem would be a back water lap. 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. Before you reshingle a roof read our step by step guide for adding new shingles over old ones. If its epdm condensation can and does happen between the two layers eventually un gluing them selfs. 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.

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

But they are a bit more expensive. Asphalt shingles can be laid over cedar shakes or shingles however this is a roofing project best left to pros.