Heijneker Posted September 11, 2020 Share Posted September 11, 2020 Excuse me if these questions have been answered before, but I would like to know the duration of protection of several products: - ONR W&S - ONR W&W - OCW when used over Opti-Seal I remember Dr. G stating ONR W&S lasts a couple of weeks/rainstorms, but can't find that post anymore. Also, it's a long time since that was stated anyway, so it's likely this has changed in the meantime. Thanks. Quote Link to comment Share on other sites More sharing options...
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