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SMARTPLY PATTRESS PLUS is an engineered OSB3 panel incorporating a continuous recess, designed to accommodate ‘C’ shaped metal studs used in the construction of plasterboard partitions.

It is tested to the relevant sections of BS5234 Part 2 demonstrating high pull-out strength.

OSB stud system
PATTRESS PLUS is available in a wide range of sizes
OSB in a partition

At a glance

  • High strength OSB/3 panel with a continuous recess
  • Ready prepared modular panel
  • Speeds up installation of pattressing
  • Allows secure anchorage
  • No added formaldehyde
  • FSC® certified

Our technical sales team can help you find the right product

Contact us +44 (0) 1322 424900

Specification and sizes

Manufactured in accordance with EN300, CE marked and FSC® Certified SMARTPLY PATTRESS PLUS is a fully certified alternative to tropical plywood. PATTRESS PLUS is available in a range of sizes to suit a range of partition systems with 400mm and 600mm stud centres.

Panel Size
1250 x 397mm
15 and 18mm
Panel Size
2397 x 397mm
15 and 18mm
Panel Size
1250 x 597mm
15 and 18mm
Panel Size
2397 x 597mm
15 and 18mm


SMARTPLY PATTRESS PLUS is designed to provide support for fixtures and fittings in non-structural metal stud constructions.

The ready prepared modular panels are quick and easy to use and fit all commercially available drylining stud systems. The high performance solid core OSB3 ensures secure anchorage at any point on the panel face.

SMARTPLY PATTRESS PLUS does not add to the finished partition thickness and provides a robust partition structure suitable for use in in public access areas including corridors and stairwells, contributing to higher levels of impact resistance.

SMARTPLY PATTRESS PLUS is an OSB3 panel with no added formaldehyde and therefore may also be useful in environmentally sensitive interior applications such as hospitals, laboratories, museums and schools.

RIBA Approved CPD

If you are a RIBA Architect and would like to learn more about specifying OSB, we have experienced technical sales managers that are able to present a CPD at your practice to you and your team.

This CPD will focus on how OSB is made, its uses and its certifications, as well as covering examples of how it has been used in these applications. It will also cover the uses and benefits of specialist OSB boards for applications such as drylining and flame retardant panels. By the end of the seminar you should have a greater understanding of:

  • What OSB is and how it is made
  • The properties of OSB
  • The advantages of OSB over alternatives
  • The various uses of OSB and how it has been modified for specialist applications

Case Studies


PATTRESS PLUS makes PATTRESS installation faster and safer at Queensferry High

A newly built Queensferry High School in Edinburgh, replacing the one currently in use, has had its internal fit-out completed

SMARTPLY PATTRESS PLUS installed at Surrey Quays

SMARTPLY PATTRESS PLUS, an innovative factory prepared oriented strand board (OSB), has greatly reduced the time spent on the latest big build project for contractor SD Plastering.
Builder patressing using OSB

SMARTPLY PATTRESS PLUS used at the University of Strathclyde

The £89m Technology and Innovation Centre, built by Lend Lease, for the University of Strathclyde in Glasgow


PATTRESS PLUS is manufactured from SMARTPLY MAX (OSB/3) panels and can be used in humid conditions (service class 2) and retain its integrity and structural performance.

PATTRESS PLUS was tested to BS 5234-1, so as part of a partition and installed as per our guidelines, for pull out and pull through performance for various fixings and cabinet/basin fixing the safe working loads are provided in the datasheet. There is no available data for plywood when used in this application.

PATTRESS PLUS is manufactured from SMARTPLY MAX (OSB/3) panels in accordance to EN 300 and provide consistent properties. SMARTPLY MAX panels are load bearing panels, FSC certified and CE marked.

Detailed steps for installation are provided in the datasheet.


YES. PATTRESS PLUS can be installed by one person only.


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