Westlake Corporation’s WLK unit, Westlake Royal Building Products has launched Dryroll, a universal ridge vent and weather block. Dryroll is designed to optimize roof protection and attic ventilation.
Q: I had a ridge vent installed some years ago, and I discovered that the installers did not cut an opening in the roof. I had a vent installed properly three years ago, and it worked well enough, but ...
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