Ecoply® Structural Square Edge

Ecoply® Structural Square Edge plywood is structural-grade plywood with a range of uses throughout the building industry, particularly where known structural characteristics are required. It is available in a full range of thicknesses from 7mm to 25mm and in untreated and treated H3.2 CCA or H3.1 LOSP. Common uses include bracing, interior lining, membrane and roofing substrate and noise control.

Request a Ecoply Barrier Product Sample Here.

Features & Benefits

  • Manufactured from sustainably-grown NZ plantation pine
  • Available in B, C and D surface appearance grades
  • Sheet thicknesses: 7 to 25mm
  • Sheet dimensions: 2400/2700 × 1200mm
  • Available untreated and H3.2 CCA or H3.1 LOSP treated
  • Low formaldehyde emission (E0)
  • FSC® certified (FSC-C012019) upon request


Ecoply is manufactured under a third-party-audited quality control programme and is certified by the Engineered Wood Products Association of Australasia (EWPAA) as compliant with NZ Building Code standard AS/NZS 2269 Plywood Structural.


Technical Note

19mm Ecoply Just Got an Upgrade

Information around improved veneer layup/construction for the 19mm Ecoply Structural Plywood range.

Ecoply - Ecoply & Structural Plywood Packaging

Ecoply & Structural Plywood Packaging Technical Note

Ecoply - Moulds on Plywood

Technical Note relating to moulds on plywood.

Ecoply Bracing Patch

Ecoply bracing patch, refer to Inserting Ecoply Bracing Values into GIB EzyBrace Technical Note.

Inserting Ecoply Bracing Values Into GIB EzyBrace Software

How to insert bracing values into GIB EzyBrace.

EP2 Ecoply Bracing Specification

Double-sided structural plywood brace


Ecoply Specification and Installation Guide October 2021

Manufactured in New Zealand by Carter Holt Harvey Plywood, the Ecoply portfolio represents a range of structurally rated plywood products.


CHH Ply - 2021 EWPAA Product Certification Scheme Certificate

2021 EWPAA Product Certification Scheme Certificate


Ecoply SDS Untreated Plywood

Chemwatch Safety Data Sheet.

Ecoply SDS H3.2 CCA Treated Plywood

Chemwatch H3.2 CCA treated pine plywood Safety Data Sheet.

Product Technical Statement

Ecoply® Structural Plywood used in Roofs July 2015

Product Technical Statement for Ecoply Structural Plywood used in Roofs

Ecoply® Structural Plywood General Use August 2015

Product Technical Statement for Ecoply Structural Plywood used in general applications

Ecoply® Flooring July 2015

Product Technical Statement for Ecoply Flooring



Ecoply Flooring layout


Sheet and framing layout


Truss ridge detail


Roof to wall junction vent


Ridge detail with Ridgeboard


Fastener Spacings from Edges


Fastener spacings for Ecoply