jeffery manning
5/22/2011
Do I have to install the trim over the gables or can I just lave a 1 inch or so overhang"? Do I need furring strips over the felt paper that is over my shingles (one row of shingles) or can I just screw the panels down over the felt paper? Also, Do I have to install the foam rubber in the ends of the panels at the top if I am installing a ridge vent? Lastly do I need the foam inserts in the bottoms of the panels also? The reason I ask is that I had my boxing covered last year and I do not want to cover it at the gables if I do not need to. I am worried about water getting in, so I thought I would ask a professional. Thanks for the help
Todd Miller
Classic Products, Inc.
5/22/2011
Thanks Jeffery. First I strongly urge you to get instructions from the manufacturer and follow them. I encourage a drip edge. As far as furring strips ... it depends upon the type of panel you're installing. With most panels they are not needed. I do suggest foam closures both tom and bottom. I hope this helps.
jeffery manning
5/22/2011
Thanks for the reply. I have a drip edge from my old shingles but because of the older construction I am having to bend some of it upward to meet the new roofing. I am worried about wind driven rain being pushed up under the ends and rotting out my facia and boxing. Will the rubber ends stop that? Thanks again, Jeffery
Todd Miller
Classic Products, Inc.
5/23/2011
I always suggest folding the underlayment over the bottom edge of the roof and putting the drip edge on top of it. That would help provide some protection. That is partly why I also suggest a new drip edge. The rubber closures will help. Generally this has not been a big performance issue.
Info @windowsonwashington.net
An informed customer is our best customer.
5/23/2011
+1 Underlayment is a minimum and a drip edge is recommended. I also think you are over estimating the wind driven rain (under normal winds) potential. If you are going over top of an existing roof, it should be watertight and the addition of a proper underlayment at the eaves and drip edge should eliminate the entry potential for the wind driven quantities.

If you would like to reply to this thread, please log in. If you do not have an Ask the Experts forum user account, create one here.

Find a Contractor

Get Started Today

Take the first step to increasing the value of your home with a great looking, durable, fire resistant and energy efficient metal roof. Browse our list of qualified MRA Member Roofing Contractors in your area for a free consultation and estimate.