Class A Rated Substructures

Wallbarn

Wallbarn has a range of substructures and rail systems:

Class A1 Rail Substructure System
Single beam I Plus and pedestal substructure for non-combustible decking and tiling systems. Ideal for fire rated retrofit projects as part of the fire safety refurbishment requirement.

Key Advantages
• Class A 1 rated (EN 13501-1:2018), fully compliant with BS 8579 and Approved Doc B.
• Full metal substructure, zero plastic and zero rubber “gaskets”.
• Specially profiled bearer rails / joists are fitted to MetalPad EX pedestals via a wing nut and bolt fixing to the headpiece of the pedestal.
• Greater flexibility with installation as the frame can be connected loosely using the wing nuts, finely adjusted and then the nuts tightened once exact levels have been confirmed.
• Greater spans between pedestals possible leading to cost savings per m2.
• Massive height range, multiple rail heights available.
    • Multiple rail to rail build up possible using specially designed brackets.
    • Additional tile positioning headpiece fitted to rails for tiling applications.
• All fixings and connectors provided.
• Weight bearing and extremely stable.
• Spreader plate available for larger weight distribution when building onto vulnerable surfaces between.
• No rotting, warping or rusting
• Environmentally friendly, manufactured from recycled aluminium and fully recyclable • Designed for long-term performance with warranties

Class A2-s1,d0 Rail System
Substructure for non-combustible decking and tiling systems

Key Advantages
• Full Metal Substructure, made from galvanised steel
• Class A2-s1,d0 non-combustible material (EN 13501-1:2018)
• Complies to BS EN ISO 1716:2018
• Physically tested in accordance with procedure specified in BS EN 13823:2020
• Profiled Aluminium Joist clicks securely onto MetalPad D or via wing nut and bolt fixing to MetalPad EX
• Multiple layouts, height thresholds and interfaces available for whole manner of specific challenges when dealing with retrofit.
• Secure connection without mechanical fixings
• Suitable decking and paving solutions
• Additional steel lugged headpieces for tile applications.
• Very high weight tolerance
• Zero corrosion
• Creates lateral stability across deck by reducing movement
• Adjustable height with maximum flexibility
• Fully compliant with BS 8579 and Approved Doc B.
• Designed for long-term performance with warranties

Rail system
Suspension system for laying porcelain tiles and decking

Key Advantages
• Creates lateral stability across deck by reducing movement
• Multiple layouts, height thresholds and interfaces available for whole manner of specific challenges when dealing with retrofit.
• Bespoke headpiece clips onto profiled aluminium joist
• Aluminium rail clicks securely onto Mega Balance pedestals
• Timber or composite decking can also fix directly into rail for low height thresholds

Double Box Rail
• Made from premium-grade 6063 T6 extruded aluminium.
• Originally conceived as an ultra- low height alternative to timber and composite joist/rails, it has now become a standard choice due to its lightweight and easy installation properties.
• Rails have a profiled outer ledge to click into MetalPad D pedestals for seamless connection without the need for mechanical fixings.
• Rails also connect to MetalPad EX via wing nut and bolt connection to headpiece.
• Large range of rail height from 15mm up to 50mm and rail-to-rail build up easily achieved.

Connecting Double Box Rails
Connect double box rails to each other along the straight plane or at right angles with specially designed connector plates / brackets for a mechanical fixing using self-tapping stainless steel screws. This creates a single platform level across the area which is sturdy and firm and ready to support the decking or tiling upper surface securely.

I-Plus Beam
Wallbarn’s I-Plus Beam is an advanced aluminium rail/joist that establishes a new benchmark in substructure systems.

• The I-Plus Beam is available in three distinct heights: 50mm, 75mm and 100mm.
• Designed to be fitted to MetalPad EX pedestals through a wing nut and bolt fixing, creating a seamless, integrated and comprehensive substructure system.
• Fast, easy, seamless connection.
• Greater flexibility with installation as the frame can be connected loosely using the wing nuts, finely adjusted and then the nuts tightened once exact levels have been confirmed.
• Greater spans between pedestals possible leading to cost savings per m2.
• Strong and load bearing.

Connections
There are two choices available for connecting I-Plus beams, offering installation convenience. The first approach involves utilizing self-tapping screws for robust mechanical fixing. Both straight and right-angle fixing brackets are equipped with two counter-sunk holes, allowing for easy attachment using the self-tapping screw.

The second connection method uses the wing nut and bolt fitting through box sections extruded into each side of the I Plus beam. Rails are connected together by hand using the wing nut so the beam platform can be loosely connected, further minor change sin position or height level can be made; then the whole system tightened up to create the final secure support platform, ready for the decking or tiled upper surface.

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Wallbarn

Wallbarn

Wallbarn is a manufacturer and distributor of specialist materials for structural waterproofing, flat roofing, terraces and landscape areas. They produce solutions for rooftop living.

Wallbarn supplies:
• The largest range of PEDESTALS...
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T0208 916 2222
F0208 916 2223
Esales@wallbarn.com
WVisit Wallbarn's website
 Unit 16, Capital Business Centre, 22 Carlton Road, South Croydon, Surrey, CR2 0BS

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