Water Drainage/Retainage Board

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Author Message Anonymous   Posted on Tuesday, December 30, 2003 - 02:55 pm:    I am in the process of writting a spec for a roof top garden. I cannot find a manufacturer for a water drainage/retention board similar to the FD 60 as labeled by American Hydrotech. I do not want to write the spec closed or want to force contractors to search. Does anyone know of a manufacturer? William C. Pegues, FCSI, CCS Senior Member Username: wpegues Post Number: 258 Registered: 10-2002 Posted on Tuesday, December 30, 2003 - 03:52 pm:    For the garden roof systems, I use 3 manufacturer's - they systems are virtually identical, I specify them as a contractor's option to pick 1 of the 3. American Hydrotech Henry Co. (formerly Monsey Bakor) Barrett Co. They all 3 make very similar components, I have had experience with all 3 going back at least 10 years, much longer for Hydrotech. I have had no problems on any project where any one of them has been involved (discounting of course the some time failure of the GC who has caused the problem such as not failing but actually refusing to provide adequate protection for installed work - but then that's not limited to or a function of this material either). William William C. Pegues, FCSI, CCS Senior Member Username: wpegues Post Number: 259 Registered: 10-2002 Posted on Tuesday, December 30, 2003 - 03:58 pm:    It also occurs to me that you seem to be specifying individual components. You want to do the garden roof systems as a system. Individual components may different inside the system of each manufacturer, but will be capable of performing similiarly. There may be some rare conditions where Hydrotech may have some components that others don't list, though they may actually have them, just not anything in catalog type information, you may have to call them if you want to list specific sub prodcuts in the system. I personally prefer not to do that, but rather specify the system as a whole with generic descriptions of the componets, with good details shown. William William C. Pegues, FCSI, CCS Senior Member Username: wpegues Post Number: 260 Registered: 10-2002 Posted on Tuesday, December 30, 2003 - 04:12 pm:    Since you are not familiar with these, I have done some lookup for you...count it to a slow day between holidays -grin! For Henry (their site is definitely not the easiest to find what you want... http://www.henry-bes.com/greenroofing.asp http://www.barrettroofs.com/products/greenroof/index.html William