DURAGRID® /DURADEK® PE

Declaration details

Manufacturer

Strongwell

Program operator

Smart EPD

Declaration number

SmartEPD-2026-150-1039-01.2

Date of issue

August 25, 2026

Valid until

August 25, 2031

Product category rules (PCR)

EPD International PCR for Construction Products 2019:14 (EN 15804:A2:2019/AC:2021) v2.0.1 (version 2.0.1)

Standard

ISO 14025:2006 and EN 15804+A2:2019/AC:2021

Declared unit

1 kg of product

System boundary

Cradle to gate with other options (A1 - A3, A4, A5, B1 - B7, C1 - C4, D)

Product specificity

Product Specific

Manufacturing specificity

Facility Specific

Manufacturing plant

Strongwell Chatfield, MN Plant (1610 U.S. 52, Chatfield, MN 55923, USA)

Product category

CastDecksAndUnderlayment

Verifier

Terrie Boguski

LCA software

SimaPro 10.3

Program instructions

Smart EPD General Program Instructions v.2.0, March 2025

Life cycle assessment results

Results per 1 kg of product.

Environmental Impact Assessment Results

Resource Use Indicators

Waste and Output Flow Indicators

ND = not declared. Life cycle modules: A1-A3 product stage, A4-A5 construction process, B use stage, C end of life, D benefits and loads beyond the system boundary.

Material composition

Hazardous substances

NA

Scenarios

Transport to the building site (A4)

Fuel type

Diesel

Vehicle type

Truck

Transport distance

1960 km

Capacity utilization

50%

Weight of products transported

1 kg

Packaging mass

0.114 kg

End of life (C1-C4)

Collected with mixed construction waste

1.019 kg

Landfill

1.019 kg

Product or material for final disposal

1 kg

Product description

DURAGRID® /DURADEK® PE is a high strength fiberglass bar grating product manufactured by Strongwell Corporation, the EPD owner, using the pultrusion process, in which continuous glass fiber reinforcements are drawn through a thermosetting resin bath and shaped through a heated die to produce constant cross-section composite profiles. The product is an ideal replacement for steel, aluminum, or molded fiberglass gratings anywhere frequent grating and walkway replacement costs are unacceptable. It is suited for use as industrial flooring, walkways, platforms, and trench covers in general-purpose corrosive environments, and is manufactured at Strongwell's Chatfield, Minnesota facility. Although the product carries a warranty of 1 year, it is expected to last the lifetime of the structure on which it is installed.

Interpretation

The cradle-to-gate GWP of DURAGRID® /DURADEK® PE is 3.04E+00 kg CO₂ eq per kg of declared product. Raw material extraction (A1) is the dominant contributor at 61% of total GWP, driven by unsaturated polyester resin and glass fiber reinforcement production. Transport of raw materials (A2) contributes 6%. The manufacturing stage (A3) accounts for 33% of GWP, primarily from electricity consumption at the MN facility using the US-MRO grid. Acidification potential (AP) is 1.05E-02 mol H⁺ eq, with A1 the dominant contributor. Abiotic depletion potential for fossil resources (ADP-fossil) is 2.73E+01 MJ, NCV, reflecting the fossil energy intensity of polyester resin and glass fiber production. Net water deprivation potential (WDP) is negative (−8.88E+00 m³ world eq.), indicating a net water benefit at the system boundary. Photochemical ozone creation potential (POCP) is 2.15E-02 kg NMVOC eq, driven by VOC emissions during pultrusion. Freshwater eutrophication potential (EP-fw) is 2.03E-03 kg P eq, primarily attributable to electricity-associated phosphorus flows in A3. No secondary materials or renewable secondary fuels are used in the production of this product.