We're working on a project with a standing seam roof, but we're concerned that the roof panels' attachment to the roof itself aren't strong enough to withstand the array's uplift forces. Instead of going with the easy-to-install S-5! mini clamp, we may have to use penetrative attachments. What is the appropriate flashing or waterproofing method for those attachments?
Thanks for your help!
Comments
tbone,
In the broadest sense, without committing to the protection from water damage of your valuable antiquities sheltered beneath this roof, the correct way to waterproof a lightweight roof is to have the structural members of the roof bear the full weight of the array, not the roof deck or roof sheeting material.The waterproofing then seals the structural support in a way that is flexible and watertight in any possible rain event.
Here is a good product for irregular or light weight roofs http://www.bestmaterials.com/SearchResult.aspx?KeyWords=mini+square+base you may want to send a photo of your roof to the manufacturer for a more specific recommendation.