LiveRoof is compatible with most methods of rooftop waterproofing (PVC, EPDM, TPO, Mod-bit, cold fluid, inverted and conventional), and has been installed above products from nearly every roofing system manufacturer in North America (large and small). And, in all cases ( where the waterproofing manufacturer’s specifications are followed) LiveRoof is compatible, and material and workmanship warranties have remained intact.
Be advised, however, some waterproofing membrane manufacturers also offer green roof systems for sale, and sometimes may attempt to leverage an “overburden warranty” in attempt to make a sale. This type of warranty is a for-fee warranty and is not required in the vast majority of installation.
An overburden warranty has nothing to do with material or workmanship warranties—which are important, and remain intact regardless of green roof system provider. When a project does, for whatever reason, require an overburden warranty, LiveRoof can provide it as well (and brings the advantage of fast moving, local service).