We provide a full specification service and certification for building control please call for technical advice and product costings on 01935 414012 or email us info@acslimited.co.uk


All our intumescent paint products have been tested to relevant European or British Standards.

The products have been designed for ease of application and are water borne for environmental and handling considerations.

In contact with fire intumescent paints swell to form an insulating char above the surface, preventing the fire from breaking through a structure or maintaining its integrity and load bearing capacity for a specified period (usually 30, 60 or 90 minutes). In other words they are designed to prevent collapse of the structure for a designated period of time. These coatings will also reduce the combustibility and flame spread of painted masonry and painted timber surfaces. Intumescent coatings and materials are particularly useful for increasing the fire resistance of existing structures, such as walls, ceilings and supporting framework. This is important especially where, because of change of use or other alterations, escape routes need to be protected or the replacement of structural elements, such as steel beams can prove difficult or prohibitively expensive. With all intumescent products, in order to comply with the independent tests, there are minimum requirements regarding the construction and thickness of the substrate. Intumescent paints are tested to BS476 Parts 6, 7 20-23, EN1364 and EN13501

What can you achieve with intumescent paints or products?
Up to 60 minutes on plasterboard
Up to 90 minutes on interior and exterior structural steel
Up to 60 minutes on timber walling (minimum requirements for construction)
Up to 30 minutes on panelled, ledged & braced doors
Class B (EN13501) on timber panelling
Lining sheet for lath and plaster 60 minutes
Underfloor barrier for lath and plaster
Class 0 & 1 on multiple paint coats and wallpaper on masonry

INTUMESCENTS FOR TIMBER AND WOOD

Intumescent-timberACS S42 is single-pack, waterborne clear or white fire retardant and intumescent coating for application to timber and timber related products.
When used correctly the product imparts fire resistance to BS476 Part 20 for 30 and 60 minutes insulation (depending on substrate) and BS476 Parts 6 & 7.
To protect timber and timber related products such as hardwoods, softwoods, cladding, boarding and certain plastics. Suitable for providing up to 60 minutes protection when used on certain timber construction.
Tested to BS EN13823: 2002 (SBI) and BS EN 11925-2: 2002 Ignitability achieving a classification of B/s1/d0 on both particleboard and MDF.
Also tested to EN 1364 – 1: 1999 on 20mm Norway spruce shiplap cladding, achieving 66-minutes resistance.

 

INTUMESCENTS FOR PLASTERBOARD

ACS S105/SPC is a single-pack, waterborne, microporous intumescent paint (emulsion) coating for application to skimmed plasterboard.

ACS S105/SPC can be used for upgrading skimmed 9 and 12.5mm plasterboard on walls and ceilings to give up to 60minutes resistance to fire.

 

INTUMESCENTS FOR STEELWORK

ACS S83/ISC is a smooth finish intumescent coating system for application to new, primed and previously painted structural steelwork. It offers protection up to 90 minutes in accordance with BS 476 Part 21. Can be applied at the factory or on site and is suitable for both internal and external use. The various components can be colour coded to provide a visual indication of the progress of the coating system.

ACS S83/ISC can be used to protect a wide range of structural steel and iron components such as universal column, RSJ, hollow section and universal beam.

 

INTUMESCENTS FOR LATH AND PLASTER

ACS S84/IP is a ceramic-filled intumescent sheet for increasing the fire resistance of lath and plaster ceilings and walls, where, because of the condition of the substrate, intumescent coatings cannot be used. It can be used for upgrading lath and plaster ceilings and walls, especially useful where limited room height will not allow double boarding or where the aesthetic qualities of the existing ceiling mouldings need to be retained.

ACS S53/UF60 is a foil-clad, mesh reinforced intumescent blanket use to increase the fire resistance above ornate, lath and plaster ceilings. It is ideal for upgrading lath and plaster ceilings, where either their decorative nature or poor condition, prohibits the use of intumescent coatings or paper.
ACS S53/UF60 forms a fire resistant barrier above the ceiling, preventing fire breakthrough to upper rooms, for up to 60 minutes, even if the ceiling below collapses. It can be used on its own or in association with the UF60-AS Acoustic Sponge Slab to meet the requirements of Document E (H in Scotland) for airborne sound.
ACS S53/UF60 is fitted between the joists of the floor above and fixed back using the batten and nails provided.

For immediate advice, costings and specifications please contact Technical Department  on 01935 414012 or email info@acslimited.co.uk


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ACS S42 Intumescent for Timber
ACS S42 Intumescent for Timber

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