Aluminum Varol

One of my boys told me today that you ain't supposed to cut it lengthways, something about three different types of asphalt. Never heard that before..>>>

Oh, varol! I had no idea what what was. I do remember installing the Koppers KMM years ago. Matter of fact, there is one job I installed about 25 -30 years ago that is still holding up. It has to be one of the oldest surviving KMM roofs anywhere. It>>>

Great, very informative, just what I needed to know. Thanks Mike/bob.>>>

Well, turns out Bob can read this stuff but can't post since the site change. He wrote this and sent it to me. Don't know if it answers the question, but you can sure see hist technical background in the answer. __________________________________ The>>>

.......damaging it. Nothing as ugly as fractured Varol.

Yeah, I got that bit, I'm not talking about CUTTING it, but APPLYING it lengthways......as I said I was told it is not recommended. I would really like to know. Siplast is a closed shop down here.>>>

I seem to remember something like that, having to do with the need for different asphalt where it contact the foil. Veral is a funny animal, but I thought the cutting restriction had something to do with the selvage edge and limits on the allowable size>>>

Aluminum Varol. Yep. If you cut it lengthwise you risk damaging it. Nothing as ugly as fractured Varol.>>>

What are you talking about?>>>