Facade Systems - Insulation Types

Facade Systems (UK) Ltd - External Wall Insulation & Render Specialists

How to choose the right system

The choice of system will often depend on the type of building on which the system is to be used. Below is a table which outlines the most common differences between the E.P.S and Mineral Wool systems.

Requirement	E.P.S	Mineral Wool
Cost effectiveness
Water repellency
Vapour permeability
Fire performance
Colour choice
Texture and finish
Weathering & durability
Detailing such as Ashlar
Consistency of finish

E.P.S		Mineral Wool
	Cost effective		Vapour permeability
	Water repellent		Water repellent
	Provides an excellent range of textures, colours & finishes		Provides an excellent range of textures, colours & finishes
	Excellent weathering & durability		Excellent weathering & durability
	Consistency of finish		Increased fire resistance
			Consistency of finish

Expanded Polystyrene Slab (EPS)

Cost effective
Is suitable for use with acrylic topcoats (which are used for dark/bright colours)
Offers a smoother finish which is better when using thin coat renders
Class O fire rating
Lightweight (consideration should be made where loading on the substrate is of importance)
Lightweight (allows for faster application)
Suitable for use on curved surfaces

Mineral Wool Slab & Lamella

Vapour permeable
Has improved fire performance (non combustible to ISO 1182)
Improved acoustic performance
Low embodied energy of manufacture

Lamella has the following additional properties:

Can be used on curved surfaces
Requires no mechanical fixings 20m<
Can be rasped for a smoother finish

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