Self adhesive roof underlayment is not recommended for use over existing roofing materials so you ll need to remove old shingles first.
Rubber roof installation over paper.
Clean and remove any roofing material like tar and other membranes around drains.
Use a staple gun to adhere it to the roof decking at regular intervals.
Make sure you offset yo.
1 set the underlayment rolls outdoors and unroll them.
Install a fiberglass base paper over existing gravel roof asphalt roof or epdm rubber roof.
Can epdm be bonded directly over asphalt tar shingles asphalt rolled roofing or felt paper.
Install new metal edging on the perimeter covering the base paper.
Install tar paper overtop covering the entire roof.
This can cause details like upstand edges or upstand walls to shrink and be pulled away on a large roof over the years.
Begin installing the rubber roof shingles with nails beginning with the starter strip the strip on the lower edges of your roof in straight rows overlap the shingles until you reach the peak of your roof.
And tie it into your hip roof.
Can i install epdm membrane directly over an existing roof.
If you have a large roof or a roof with lots of details like parapet walls or upstand flashing you may want the consider investing in russ strips and mechanically fixing every 300mm 12.
How to remove repair and install a flat roof.
Epdm should be bonded over 5 8 plywood 5 8 osb board or polyisocyanurate board with a fiberglass backing.
This is a long video but it will show you how to do it.
No the oils in pertroleum based products will cause epdm to swell and fail.
Classicbond rubber roofing epdm whether you are a roofing professional or home owner and looking for a flat rubber roofing material that is both sustainable.
Leave the release paper in place and hand roll the seam tape to get good adhesion to the bottom sheet.
How to install a rubber roof.
Then unroll the seam tape sticking it to the bottom sheet as you go.
Install a self adhering modified bitumen base sheet over the fiber base sheet.