DextraUSA
JDVP · Hawaii & U.S. Pacific Exclusive
GFRP already survived 18 years at Pearl Harbor. HDOT already specified it. The question is no longer if Hawaii will use glass rebar. It is which listed product can go from a slab to a #8 structural bar.
Dextra USA (JDVP) stocks Durabar for contractor flatwork and Astec Plus for structural / agency work — both ICC-ES listed — from Honolulu for Hawaii and every U.S. Pacific territory.
Local proof
Three local / regional anchors — not mainland marketing claims. The debate has moved from “will GFRP work here?” to “which listed product fits the member?”
GFRP placed in the DD4 fascia. Cores taken after ~18 years — bar core intact. Saltwater exposure is not a theoretical test for this material on Oahu.
Cores reported intact after ~18 years. Source: 18-year core study (2021)
HDOT Section 670 GFRP specified on Waiaka (Big Island) and Nanue (Hilo). ASTM D7957 and ACI 440.11 are already in the bid books — not a future hope.
HDOT spec Section 670 — Waiaka (Big Island) and Nanue (Hilo).
Reefense modules at MCB Hawaii / Kailua — Jensen & GPRM using glass-fiber rebar in seawater units. Marine use case, local waters.
Jensen & GPRM — MCB Hawaii / Kailua seawater modules. Source: HPR coverage
Two doors
Contractors and SEs are not shopping the same listing. Durabar covers #3 flatwork and carpet. Astec Plus covers listed #4 and #8 structural bar under AC454 / ACI 440.11.
T&S / SOG · #3 @ 12 in o.c. · ESR-5501
Structural AC454 · ACI 440.11 · ESR-5751
Listed values vs Grade 60 steel
Steel yield versus the two ICC-ES listings we stock. Bond and listed #4 / #8 are the closer, not #3 tensile.
| Grade 60 steel | Durabar ESR-5501 |
Astec Plus ESR-5751 |
|
|---|---|---|---|
| Cover | ACI 318 · carbon steel | Non-structural AC521 | Structural AC454 |
| Sizes in ESR | not an ICC-ES listing | #3 only, 12 in o.c. max | #4 and #8 |
| #3 tensile | 6.6 kip yield | 17.39 kip listed ultimate | — |
| #4 tensile | 12.0 kip yield | — | 40.72 kip listed ultimate |
| #8 tensile | 47.4 kip yield | — | 148.16 kip listed ultimate |
| Modulus of elasticity (E) | 29,000 ksi | 7,899 ksi | #4 9,831 ksi #8 9,394 ksi |
| Listed bond | — | 3.55 ksi | 3.17 (#4) / 2.12 (#8) ksi |
E is stiffness. Steel is about 29,000 ksi — much stiffer than GFRP. That is expected and is why layouts differ.
Steel figures are Grade 60 yield. Durabar and Astec Plus figures are ICC-ES listed ultimate. Not the same limit state.
For engineers & specifiers
What we can put on an order today.
The listed slab-on-grade path. ESR-5501 under AC521 covers #3 temperature-and-shrinkage reinforcement at 12 in o.c. or tighter, in slabs-on-grade, plain footings and flatwork. We also stock #4 Durabar.
The structural path. ESR-5751 under AC454 lists #4 and #8, which is what an engineered member needs.
Send the member, the size and the spec section, and we will confirm against the listing before we quote.
For the engineer of record: the Engineer Approval Package flipbook and the ESR PDFs are in the library on this page. Start there — the EOR signs the layout, not this page.
Documents & video
Engineer Approval Package, developer library, and the Durabar Carpet leave-behind video.
Rev 11 package for Hawaii GFRP — ESRs, design path, and approval language for SEs and agencies.
Open EAP flipbook Developer libraryLive technical library on the dextrausa path — product data and engineer resources.
Open developer libraryDurabar Carpet vs steel mesh — short leave-behind for contractors and PMs.
Open Durabar brochureDirect link: iflip.page/dextrausa/library/Dextra_Developer_Library.html.
Territory & partners
Dextra USA / JDVP holds exclusive rights for Hawaii and all U.S. Pacific territories. Stocked and supported from Honolulu.
Manufacturer partner: Dextra Group
Address for pickup and coordination: 2020 Auiki St., Bldg C & D, Honolulu, HI 96819. Sales: sales@dextrausa.com · (808) 312-4895.
We hold Hawaii and the U.S. Pacific exclusive. For other regions, email sales@dextrausa.com and we will route you.
Contact
Tell us which lane you need — contractor Durabar, SE Astec, agency, precast, or Pacific distribution. We reply from Honolulu.