Install Rubber Roof Over Asphalt

Most codes now allow no more than two layers of roofing before requiring a complete tear off.

Install rubber roof over asphalt.

A rubber roof provide a number of benefits that are unavailable from other roofing methods. If you re planning on placing a rubber membrane across an existing roof covering you ll have to make sure that the surface is suitable for bonding. After about 5 7 years you will have to reseam your roof by installing a 6 12 inch wide epdm cover tape over the old seams to make sure they don t leak for the next few years. Epdm should be bonded over 5 8 plywood 5 8 osb board or polyisocyanurate board with a fiberglass backing.

Finally the preparation is over you can now install the shingles. 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. Can you install metal roofing over asphalt shingles. Now this roof is a old rolled asphalt roof that has been coated many times with roof pitch.

Start on the lower edge of the roof install the starter shingles by nailing them down using roofing nails. A square equals 100 square feet. Yes you can install a metal roof over shingles. 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.

No the oils in pertroleum based products will cause epdm to swell and fail. An epdm rubber roof can be bonded to asphalt but this depends on the rubber membrane system you are using. This post discusses using stone coated metal shingles over the top of asphalt shingles. This update will cost you about 10 15 linear foot so if you have a few hundred feet of seams the total cost will be several thousand dollars making it a very expensive maintenance program.

Therefore the cost advantage over time is even greater. It is more cost efficient as well which will save you money on your energy expenses. Upgrade insulation whilst you are carrying out work on your roof it might be a good time to install a new warm deck insulation. It leaks over the bed room where the flat roof is the water does not drain from that area.

However you ll want to check with your local building department before you make any decisions. First rubber roofs are less expensive to install. Although rubber roofing is more expensive its lifespan is double that of asphalt roofing so over the long term it will actually cost less. Install the roof shingles.

It cannot be bonded to uneven surfaces such as shingles as this hinders the membrane from successfully bonding onto the surface. Install another set of starter shingles at the sides of the roof ensure the two sets overlap. Can epdm be bonded directly over asphalt tar shingles asphalt rolled roofing or felt paper. Rubber roof installations are rather easy and a great roofing option.

The average cost for rubber roofing is 300 400 per square. Can i install epdm membrane directly over an existing roof.