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Multi-Pro XS (Xtra- Strength) is a medium density magnesium oxide board developed by Resistant building products which is suitable for interior and exterior applications

The panel achieves its superior strength and flexibility by the introduction of four layers of alkaline resistant fibre glass mesh. This strength and quality is replicated consistently through the sophisticated digitally controlled manufacturing process.

Multi-Pro XS is a chemically stable product designed to withstand operating temperatures of 150 degrees and resist mould and fungal attack. This makes it perfect for applications such as external sheathing and internal wall linings.

Typical Applications
  • External Sheathing
  • Internal Wall Linings
  • Underlayment for Structural Desking
  • Ceiling Linings
  • Closed cell timber frames
  • Fire rated modular construction
  • Prisons
  • Park homes
  • Anti-vandal units
Product Features
  • BS EN 594 (Racking)
  • A1 Non combustible
  • Manufactured to EN 13501-1:2007 + A1:2009
  • Racking resistance tested to BS EN 594:1996 & 2011/BS 5268-6.1-2007
Environment

Multi-Pro XS is manufactured using a low carbon, low energy manufacturing process. The boards are naturally cured using a chemical reaction, low levels of heat and a lengthy drying out stage.

On application, the breatheability of the product allows for the absorption and release of moisture which provides a safer and healthier working environment and overall structure.

Quick Reference Guide - A1 Non-Combustible Building Boards
Product
Applications
Density
BBA
Internal Use
External Use
Cutting Method
Racking to BS594
Fire rating
Fire Resistant
  • Bathrooms and shower areas
  • Wet and humid areas
  • Swimming pools
  • Passive fire protection boards
  • OSM, pods and park homes
  • Timber frame racking board
  • SIPS fire mitigation sheathing
  • Soffit strips and cavity closures
  • Fire rated stuf partition walls
  • Large sheet tile backer
  • Boiler Banking Board
  • Render carrier board
  • Suitable for use with acrylic brick strips, stone cladding etc
  • Solid fuel surround
1050kg/m³
1050kg/m³
1050kg/m³
1050kg/m³
Score and
snap
Score and
snap
Score and
snap
Score and
snap
A1 Non
combustable
A1 Non
combustable
A1 Non
combustable
A1 Non
combustable
Load and
non-load
bearing
partition
60, 90 and
120 minutes
Non-load
bearing
partition
60 minutes
Quick Reference Guide – Fire Ratings

A request we commonly receive is that for a panel with a 1 hour or ½ hr fire rating.

30 or 60mins relates to the concept of Fire Resistance and typically relates to the ability of an elevation or door to withstand the passage of a fully developed fire for said amount of time.

Euroclass relates to the concept of Reaction to Fire and focuses on initial fire growth phase. A Euroclass rated panel may form part of a fire barrier system requiring 30 or 60 mins Fire Resistance overall. We recommend that suitability of a Euroclass rated panel within the design is based upon 3rd party assessment or independent testing specific to the project in question.

There are 7 Euroclass classifications ranging from A1 to F. In line with the Construction Products Regulation (2013) each Euroclass rating requires testing against the relevant European fire test methods – see table below.

Hanson Plywood offer a range of panels manufactured with an A1 rating (see below). Untreated wood-based panels such as plywood, OSB, MDF & Chipboard typically achieve a Euroclass D or E rating. Fire rated panels can be supplied to a Euroclass B or Euroclass C fire performance as required depending upon regulatory requirements.

Class
Performance description
National Class (England & Wales)
National Test Standard (England & Wales)
A1
BS EN ISO 1182
BS EN ISO 1716
Non-combustible
BS 476: Part 4
A2
BS EN ISO 1182
BS EN ISO 1716
BS EN 13823
Limited combustibility
BS 476: Part 11
B
BS EN 13823
BS EN 11925-2
0
BS 476: Part 6
BS 476: Part 7
Bfl (Flooring only)
EN ISO 9239-1
EN ISO 11925-2
N/A
N/A
C
BS EN 13823
BS EN 11925-2
1 & 2
BS 476 : Part 7
D
BS EN 13823
BS EN 11925-2
3
BS 476: Part 7
E
BS EN 11925-2
4
BS 476 : Part 7
F
No performance determined
Unclassified
No Test
Size
6.5mm
9mm
12mm
2400mm x 1200mm
2700mm x 1200mm
3050mm x 1200mm
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