● ActiveHVHZ approvedLast checked Oct 21, 2026
GCP Bituthene Waterproofing Membrane
Florida product approval and Miami-Dade NOA.
Check: Non-insulated dual-slab concrete decks only; the membrane must not be exposed and must be protected by Hydroduct drainage composite.
Miami-Dade NOA23-1108.02
NOA expires11/09/2028In 25 months
Approval details
- Manufacturer
- GCP Applied Technologies · 2325 Lakeview Parkway, Suite 450, Alpharetta, GA 30009
- Category
- Roofing · Sheet waterproofing · Rubberized asphalt
- Approved in HVHZ
- Yes
- Deck type
- Concrete
- NOA approved
- 12/21/2023 · replaces NOA 22-0708.02
Official documents
Verify on floridabuilding.org ↗Products this NOA lists
Bituthene 3000 Waterproofing Membrane · Bituthene 4000 Waterproofing Membrane · Hydroduct 660 · Hydroduct Coil 600 · Preprufe Detail Tape
Quick answers
Is GCP Bituthene Waterproofing Membrane approved in the HVHZ?
Yes, on concrete decks. The NOA expires 11/09/2028.
Public record. Always verify on the official source before you permit.