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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 - 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 question we are frequently asked is which fire rated panel will provide 30 minute or 60 minute fire resistance. The answer of course is not straight forward and although fire rated panels can be used as part of a fire barrier system, such as partitions, the finished design requires additional independent testing to achieve such a rating.

Since the introduction of the Construction Products Regulation (CPR) Fire retardant panels are tested against EN13823:2002 (SBI or Single Burning Item Test) and EN11925 (Ignitability Test) and given a rating against their performance.

SBI is the key test and records parameters relating to the rate of fire growth, lateral flame spread, heat release and smoke emission.

There are seven Euroclass Classifications for fire performance of different construction materials ranging from A1 and A2 through to F. Classifications for wood based panel products such as Plywood, MDF and Chipboard include B, C, D and E. Euroclasses D and E relate to untreated material.

Class
Performance Description
Fire Scenario
Heat Attack
Examples of Products
A1
No contribution to fire
Fully developed fire in a room
At least 60kW/m2
Products of natural stone concrete, bricks, ceramic, glass, steel and many metallic products
A2
No contribution to fire
Fully developed fire in a room
At least 60kW/m2
Products similar to those of class A1, including small amounts of organic compounds
B
Very limited contribution to fire
Single burning item in a room
40kW/m2 on a limited area
Gypsum boards with different (thin) surface linings. Fire retardant wood-based panel products
C
Limited contribution to fire
Single burning item in a room
40kW/m2 on a limited area
Phenolic foam, gypsum boards with different surface linings. Flame retardant wood-based panel products (thicker than in class B)
D
Acceptable contribution to fire
Single burning item in a room
40kW/m2 on a limited area
Wood-based panel products with thickness > about 10mm and density > about 400kg/m3 (depending on end use)
E
Acceptable contribution to fire
Small flame attack
Flame height 20mm
Low density fibreboard, plastic based insulation products
F
No performance requirements
Small flame attack
Flame height 20mm
Products not tested (no requirements)
Size
6.5mm
9mm
12mm
2400mm x 1200mm
2700mm x 1200mm
3050mm x 1200mm
Want to know more about Multi-Pro XS? Simply fill out our Quick enquiry form or call us on 01422 330 444