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The increasing demand for fire protection VCL`s

 

The A. Proctor Group, specialists in technically advanced thermal, acoustic and membrane products, says they are experiencing an increasing demand for independently certified vapour control layers to provide fire protection in compliance with the latest building regulations.

The suitability of materials within the construction of tall buildings and the increased requirements for fire safety means that the correct selection and application of materials are at their most critical.

Regulation 7 of the Building Regulations of Approved Document B: November 2018 stipulates; “building work shall be carried out so that materials which become part of an external wall, or specified attachment, of a relevant building are of European Classification A2-s1, d0 or Class A1, classified in accordance with BS EN 13501-1:2007+A1:2009 entitled “Fire classification of construction products and building elements.”

In addition, with specific reference to membranes, the Regulation provides an exemption and further clarification as stated below: “10.15 a. Membranes used as part of the external wall construction should achieve a minimum classification of European Class B-s3, d0.”

While quoting A2 ratings, some membrane products, especially vapour permeable membranes, do not breathe or comply with BS5250, meaning using these membranes in the UK climate could make the building unhealthy and result in a much greater risk of condensation issues and mould growth.

In developing its portfolio of advanced membranes, the A. Proctor Group has designed this in, backed up by independent testing observing the performance of the products as part of a holistic system rather than individually.




Procheck® FR200



The latest examples include Procheck® FR200, a fire resistant vapour control layer used in roof and wall structures, and that provides a Reaction to Fire classification of B-s1, d0. Incorporating Procheck FR200 air and vapour tight membrane improves energy efficiency and reduces condensation risk.

In addition, Procheck A2 is a laminated glass fibre and foil composition protected by a clear lacquer. This clear surface gives Procheck A2 a unique additional benefit of a low emissivity surface. When used with a service cavity, it can enhance the overall thermal performance of the construction and provide high fire performance with its A2-s1 d0 fire classification.

Now available, in combination with Procheck A2, is Procheck FR Tape, an aluminium faced, air and vapour tight tape designed for use with Procheck A2 and Procheck FR200 vapour control layers. When used in conjunction with Procheck A2, the Procheck FR Tape has a Reaction to Fire classification of Euroclass A2-s1, d0 for the system, or B, S1, d0 when used as a stand-alone product. This classification is unusual for tapes and is backed up by independent testing.

The increasing demand for independently certified vapour control layers to provide fire protection in compliance with the latest building regulations demands manufacturers understand how their products will be used within the total building system. The technical team at the A. Proctor Group is providing in-depth advice to the stakeholders involved in building design and construction on understanding this. Getting it right from the outset is crucial.

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Material Properties
UK Availability
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Material Properties

Fireshield

Property Test Method Result
Roll Size - 1.1 x 20 m
Weight EN 1849-2 737 gsm
Thickness EN 1849-2 1.2 mm
Nail Tear Resistance - MD EN 12310-1 273 N
Nail Tear Resistance - CD EN 12310-1 330 N
Resistance to Water Penetration EN 13859-1 W1 Class
Tensile Strength - MD EN 12311-1 300 N/50mm
Tensile Strength - CD EN 12311-1 275 N/50mm
Elongation - MD EN 12311-1 2 to 3 %
Elongation - CD EN 12311-1 2 to 3 %
Water impermeability EN 20811 ≥2 m
UV Resistance EN 13859-1 12 months
Water Vapour Resistance Sd EN ISO 12572 Condition C 0.08 m
Flexibility at low temperatures EN 1109 -20 °C
Reaction to Fire EN 13501-1 (Methods EN 11925-2 and EN 13823) B-s1, d0 Class
Resistance to Air Penetration EN 12114 ≤1 m3/m2/hr  @  50Pa

Procheck FR200

Property Test Method Result
Total grammage EN 1849-2 94 g/m2
Service Temperature 100 ࠷
Temporary UV Exposure 9 months
Water Resistance (after ageing) EN 1928 W1 Class
Reaction to Fire EN 13501-1 B-s1, d0 Class
Flame Spread Index ASTM E84 10
Smoke Development Index ASTM E84 0
Water Vapour Resistance Sd EN 1931 44 m
Tensile Strength MD EN 12311-1 175 N/50mm
Tensile Strength CD EN12311-1 165 N/50mm
Elongation MD EN 12311-1 4 %
Elongation CD EN 12311-1 4 %
Tear Strength MD EN 12310-1 81 N
Tear Strength CD EN 12310-1 83 N
Resistance against impact EN 12691 250 mm
Thickness 0.16 mm

Procheck A2

Property Test Method Result
Weight EN 1849-2 165 g/m2
Sd value EN 1931 >1500 m
Reaction to Fire EN 13501-1 A2-s1,d0
Water Tightness EN 1928 W1
Tensile Strength EN 12311-1 MD 700, CD 700 N/50mm
Elongation EN 12311-1 MD 2.5%, CD 2.5%
Tear Resistance EN 12310-1 MD 150, CD 130 N
Thermal Resistance of Adjacent Airspace 0.606 m2K/W
Roll Size 1.5 x 50 m

UK Availability

North East Scotland & Islands
Linda Kay
Regional Sales Manager

07817872980

Ireland
John Johnston
Sales Director

07836751128

Midlands
Adam Salt
Business Development Manager North

07817873124

South London & South East
Josephine Matchette
Regional Sales Manager

07535450346

Wales & South West
Marc Blackie
Technical / Regional Sales Manager

07968215 755

North London & East England
Ben Cremer
Technical / Regional Sales Manager

07768817733

Head Office
The Haugh

Global Availability

North America
Jeff Dibdin
International Account Manager.

07534436615

South America
Jeff Dibdin
International Account Manager.

07534436615

Europe
Jeff Dibdin
International Account Manager.

07534436615

MENA
Jeff Dibdin
International Account Manager.

07534436615

Asia
Jeff Dibdin
International Account Manager.

07534436615

Australia
Jeff Dibdin
International Account Manager.

07534436615

 

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  A. Proctor Group Ltd., The Haugh, Blairgowrie, PH10 7ER

 

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