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Old 04-15-2007, 01:15 PM   #1
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Torch down roof problem


Hello. In recent higher-than-usual winds, my torch down roof peeled back about six feet from the corner. Can I repair this by applying roofing cement or can someone recommend another material or method.

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Dan

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Old 04-15-2007, 01:44 PM   #2
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Torch down roof problem


I presume that the base sheet underlayment was also detached with the modified bitumen membrane as well.

Their is an asphaltic glue/adhesive that may work for this situation.

The better situation would be to cut off the detached area and re-apply new modified bitumen.

Take care of the reason that the edge detail allowed for the membrane to become detached in the first place.

I personally prefer to overhang all perimeter edges with about 4" of membrane, where the white salvage edge line is located and then use an extruded 1/8" thick aluminum termination bar secured with wood tek gasketed screws applied every 6" to 12" on center in the pre-puncheds out oval slot holes.

Ed

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Old 04-15-2007, 08:26 PM   #3
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Torch down roof problem


Thanks so much for your assistance.

Dan
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Old 04-17-2007, 05:50 AM   #4
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Torch down roof problem


Ed, do you use term bar for over the roof edge?
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Old 04-17-2007, 08:06 AM   #5
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Torch down roof problem


I wrap the 4" salvedge edge down onto the fascia board or behind the gutter. In the case of a gutter, I also strip in an addittional piece that goes into the gutter.

The overhanging membrane on the fascia board gets secured with the aluminum termination bar fastened with neoprene gasketed wood tek screws.

I have never seen an edge get blown off this way.

On certain architectural applications, I use a 2 piece sheet metal edge system with a built in cant and bring the membrane over the bottom nailer piece and then install the snap on decorative cover piece, such as Hickman Sheet Metal old detail which has been copied by most other sheet metal fabricators.

About half way between where you and I are located, Bremer Sheet Metal makes a good in-house system. I think that they are in Glendale Heights. It has been a while since I have used them though.

Ed
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