Resealing my steel roof
Well after our trip to the Yukon last September I inspected the roof and found a few spots of concern. Unfortunately our October had one rain free afternoon all month, and then (as most here will know...
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I sealed my aluminum roof with Eternabond tapes and also any through holes like vents and pipes. I did the roof trim edge much like your drawing, covering the screw fastened trim edge entirely.
I cleaned off the multiple sealants with a scraper, a right hand grinder with wire wheel and lastly, mineral spirits followed by lacquer thinner. I used Eternabond Roof tape along the seams and around through holes. I used Eternabond Webseal over the trim edge. Webseal needs to be coated after it is installed.
Webseal applied to trim edge:
I cleaned off the multiple sealants with a scraper, a right hand grinder with wire wheel and lastly, mineral spirits followed by lacquer thinner. I used Eternabond Roof tape along the seams and around through holes. I used Eternabond Webseal over the trim edge. Webseal needs to be coated after it is installed.
Webseal applied to trim edge:
