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PermaRock Mineral Fibre EWI System with Brick Slip Finish - Class A External Wall Insulation System

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PermaRock Products Ltd Third party certifications:
  • BRE Certificate

    BRE Certificate

    Certificate type

Non-combustible, high-performance mineral fibre external wall insulation system with a PermaRock Brick Slip finish, suitable for high rise and low rise buildings of all types.

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Application

PermaRock Mineral Fibre EWI systems are suitable for use above damp-proof course (DPC) level on buildings of dense or no-fines concrete, brickwork, blockwork, or suitably sheathed light steel frame or timber frame buildings, in any geographical location including those classified as having very severe exposure to wind-driven rain.


Suitable for residential and non-residential building types of any height where the highest levels of fire safety and non-combustibility are required.


PermaRock Mineral Fibre EWI Systems do not require the additional incorporation of firebreaks.


PermaRock systems are only for installation by PermaRock registered installers.



Description

High-performance mineral fibre external wall insulation (EWI) system comprising of non-combustible Euroclass A1 insulation, reinforced base coat and acrylic brick slip finish. The system achieves Euroclass A2-s1,d0 (EN 13501-1: 2007+A1: 2009).

 

PermaRock Mineral Fibre external wall insulation (EWI) systems are fire-safe, high-performance thermal insulation systems suitable for application to new or existing buildings including relevant buildings as defined in the Building Regulations. Systems are suitable for use at any height and in proximity to any boundary.

 

PermaRock Mineral Fibre insulation is adhesively bonded and mechanically fixed and can be applied onto walls of dense or no-fines concrete, brickwork, blockwork, or suitably sheathed light steel frame or timber frame construction, in any geographical location including those classified as having very severe exposure to wind-driven rain.

 

PermaRock Brick Slips are a lightweight, flexible and breathable synthetic resin tile used to replicate brick or stonework with the ability to create unique and interesting facade designs that are durable, robust and impact-resistant.

 

Manufactured from high-quality raw materials, PermaRock Brick Slips are, as standard, supplied as facing and corner (pistol) brick slips in a range of 12 standard colours and 3 textures: Special colours, textures, sizes and shapes can be manufactured to order (minimum order quantities).

 

The Brick Slip Adhesive used to fix the slips is available in three standard colours (cement-grey, sandwhite and dark grey). The joints are pointed using PermaRock Pointing Mortar (cement-grey) - other colours are available subject to minimum order quantities.

PermaRock Brick Slips are assessed to EN 13501-1 and when used as the decorative finish of a PermaRock Mineral Fibre EWI system, the system achieves an A2-s1-d0 classification and is suitable for use on buildings of any building height, including those with a storey height above 11 m, and in proximity to any boundary without restriction.

 

Features and benefits:

  • Suitable for all 'Relevant Buildings' as defined in the Building Regulations, including residential buildings with a storey height above 11 m.
  • Excellent fire performance: Non-combustible (Class A1) mineral (stone) fibre insulation - Fire breaks are not required.
  • A2-s1,d0 reaction to fire classification (EN 13501-1: 2007+A1: 2009).
  • No restrictions on proximity to boundaries.
  • Adhesively bonded and mechanically fixed insulation.
  • High resistance to wind loads.
  • Mechanically anchored reinforcement layer: Provides enhanced resistance to wind loading and additional structural stability in a fire.
  • High impact resistance.
  • Low embodied energy.
  • Thermal conductivity: 0.036–0.039 W/m·K (depending on insulation specified).
  • BRE Global Certificate No.158/12.
  • Wide range of brick slip colours and textures available.
  • Ecopoints score of 0.10 (m²) - 'Excellent' rating.
  • Acoustic benefit over other insulant types.
  • Has a working design life of in excess of 30 years.
  • No restriction on brick slip colour. Here.

 

Design considerations:

  • U-value calculations can be carried out for each project to determine the thickness of insulation required to achieve particular thermal performance requirements.
  • For high-rise buildings, a wind load assessment should be carried out by a suitably qualified structural engineer and the results should be provided to PermaRock to enable an optimised fixing arrangement to be provided.
  • Contact PermaRock to discuss your proposed design to enable us to assist you in specifying the correct system and component parts.
  • Further information can be obtained from PermaRock's Technical Hub

 

Beads and trims:

  • A full range of beads, trims, profiles and seals is available to enable the system to be interfaced with other building elements.

General information

Color

Blue

Brown

Guidance for specification option:

Red Shadow, Rustic.

Cream

Guidance for specification option:

Sandstorm, Twilight.

Grey

Guidance for specification option:

Moorland,

Red

Guidance for specification option:

Auburn, Burnt Red, Firebrick.

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Manufacturer guidance

Other colours to special order (minimum order quantities may apply).

Finish

Smooth

Textured

Material

Mineral fibre

Acrylic

Cementitious

Stone wool

Stonewool

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Shape

Rectangle

Other

Length

Bespoke

Width

Bespoke

Height

Bespoke

Warranty description

Ten year

Uniclass

Ss_25_45_72_28 External wall insulation systemsPrimary

CAWS

M21/20 External wall insulation system . . . . . .

M21/210 External wall insulation system

Product range

External Wall Insulation (EWI) Systems

Specification data - External wall insulation systems

Preparation

Not required.

PermaRock Fungicidal Wash.

Guidance for specification option:

Use to treat walls affected by algae, mould etc.

PermaRock Dubbing-out Compound.

Guidance for specification option:

To fill uneven substrates.

Manufacturer guidance

Consult manufacturer for details of preparation to suit project substrates.

Insulation

-

Material

Mineral fibre (stone wool).

Guidance for specification option:

Standard dimensions: 1200 x 600 mm.


PermaRock Mineral Fibre Insulation DD (Dual Density):

  • Class A1 (BS EN 13501-1: 2007 + A1: 2009) non-combustible thermal insulation boards. Manufactured to EN 13162 and Chlorofluorocarbon (CFC)/ hydrochlorofluorocarbon (HCFC) free.
  • Declared thermal conductivity (λ90/90) Lambda: 0.036 W/m·K.
  • Zero Ozone Depletion Potential (zODP) with a Global Warming Potential (GWP) of zero.


PermaRock Mineral Fibre Insulation HD:

  • Class A1 (BS EN 13501-1) non-combustible insulation.
  • Manufactured to EN 13162 and CFC/ HCFC free.
  • Lambda (30 mm, 40 mm): 0.038 W/m·K; Lambda (>40 mm): 0.039 W/m·K.


Thickness:

  • If required thickness is unknown, consult manufacturer for U-value calculations.
  • PermaRock Mineral Fibre DD (Dual Density): 50–250 mm in 10 mm increments.
  • PermaRock Mineral Fibre HD: 30 or 40 mm, for reveals etc.

Adhesive

PermaRock Adhesive.

Guidance for specification option:

A polymer-modified cement-based compound for bonding thermal insulation boards to new or existing concrete, brickwork or blockwork substrates as part of PermaRock External Wall Insulation (EWI) systems.

PermaRock Lamella Adhesive.

Guidance for specification option:

A polymer-modified cement-based compound for bonding thermal insulation boards to suitable mineral sheathing boards, CLT, or SIP substrates as part of PermaRock External Wall Insulation (EWI) systems.

Additional mechanical fixings

PermaRock Mechanical Fixings.

Guidance for specification option:

Insulation board fixings are required in addition to adhesive bonding. The type, length and number of fixings in each insulation board is dependent on the substrate type, insulation thickness and exposure conditions. Contact PermaRock for further information.

Fire barriers and stops

-

Material

Not required.

Beads and trims

-

Manufacturer guidance

For 'Relevant Buildings' with a storey height above 11 m, non-combustible beads and trims are required.

Movement joints

-

Form with

PermaRock movement joint profiles.

Guidance for specification option:

Live construction movement joints should be brought through the system using a PermaRock movement joint profile suitable for the joint position and degree of movement.

Sealant

Silicone construction joint sealants on suitable backing rod or tape.

Guidance for specification option:

Sealant shall only be used in combination with a suitable backing rod or tape.

Render carrier or reinforcement

-

Material

PermaRock Bedding Mortar and PermaRock Reinforcing Mesh.

Guidance for specification option:

  • Alkali-resistant coated, multi-strand glass fibre reinforcing mesh for incorporation into a PermaRock basecoat render (PermaRock Bedding Mortar) to create a reinforced basecoat layer which confers mechanical resistance and dimensional stability to the system.


PermaRock Bedding Mortar and PermaRock Armoured Mesh.

Guidance for specification option:

  • Heavy-duty alkali-resistant coated, multi-strand glass fibre reinforcing mesh for incorporation into a PermaRock basecoat (PermaRock Bedding Mortar) render to create a higher strength reinforced basecoat layer which confers a higher level of mechanical resistance to the system.
  • Typically used in areas where a higher level of resistance to impact is desirable (e.g. cycle stores, bin stores, walls adjacent to public access areas, entranceways, etc.).

Manufacturer guidance

  • A high-performance, polymer-modified, cement-based reinforcement layer render supplied as a mineral dry powder pre-mix, requiring only the addition of water and mixing on site.
  • Used in combination with PermaRock Reinforcing Mesh and/or PermaRock Armoured Mesh to create reinforcement layers over PermaRock Mineral Fibre Insulation.

Mesh size

-

Manufacturer guidance

Not applicable.

Fixings

Reinforcement-layer fixings.

Manufacturer guidance

  • Provide additional resistance against wind (suction) loads.
  • Provide additional stability in the event of a fire.
  • Required for 60 year system lifetime.
  • Corrosion resistant and non-combustible.
  • Number and type of fixings dependent on wind loading.
  • Reinforcement layer fixings are required on buildings over 2 storeys in height.

Render

-

Application

Intermediate coats.

Material

PermaRock Bedding Mortar and PermaRock K&R Primer.

Decorative finish

PermaRock Brick slip adhesive/ brick slips/ brick slip pointing mortar.

Guidance for specification option:

  • PermaRock Brick Slips provide a traditional or contemporary brick appearance to wall surfaces.
  • Manufactured from high quality raw materials. These simulated bricks and stone tiles offer a multitude of outstanding product characteristics.
  • The brick slips offer flexible application and design features, and are durable, robust, impact resistant and easy to clean.
  • The brick slips are bonded to the primed (PermaRock K&R Primer) reinforcement layer using PermaRock Brick Slip Adhesive, a ready-mixed, high strength, flexible dispersion adhesive.
  • Joints are subsequently pointed with PermaRock Brick Slip Pointing Compound, a coloured, semi-dry synthetic pointing material.
  • Resistance to soiling: Very good.
  • Textures: Flat, textured or sand particle.
  • Size: Flat facing bricks: 215 x 65 x 4–6 mm thick. Corner-facing bricks: 215 x 102 x 65 x 4–6 mm thick. Other sizes available, subject to minimum order quantities.
  • Coverage: Flat facing bricks: approximately 58 per m²; Corner (pistol) bricks: approximately 13 per metre.

Colour

Auburn.

Burnt Red.

Engineering Blue.

Firebrick.

Ice White.

Midnight.

Moorland.

Red Shadow.

Rustic.

Sandstorm.

Sunrise.

Twilight.

Manufacturer guidance

PermaRock Brick slip adhesive/ brick slips/ brick slip pointing mortar:

  • Colour fastness: Excellent.
  • 12 standard colours.
  • Colour matching available, subject to minimum order quantities.

System accessories

Windowsill extensions.

Window sealing strips (APU beads).

Mounting blocks for external fixtures and fittings.

Sealing tapes.

Sealants.

Movement joints tapes and profiles.

Render stop beads.

Starter tracks.

Corner reinforcements beads.

Drip edge beads.

System completion

-

Manufacturer guidance

  • Specify movement joint trims, etc. or refer to detail drawings.
  • Specify areas for additional reinforcement mesh e.g. at locations prone to greater risk or intensity of impact, etc.
  • Provide details of brick coursing, bond and features to quoins, door/ window heads and raised feature bands or margins around doors/ windows etc., or refer to drawings.
  • Provide details of colour changes, panelization/ faux joints, etc., or refer to detail drawings.

Substrate

New or existing brickwork / blockwork masonry.

Concrete (in-situ or precast, dense or no-fines).

SFS (Steel frame with sheathing board).

Timber frame with sheathing board.

Cross laminated timber (CLT).

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Sustainability data

Contains Red List materials

No

Country of material origin

United Kingdom

Country of product manufacture

United Kingdom

Embodied carbon

A1-A3 (production stage) as defined in BS EN 15804

5.9 kg CO₂ eq/m²

Recyclability

Waste insulation can be returned to manufacturer for recycling

Third party certifications

BRE Certificate

BRE Certificate

BRE: Certificate: Global Certification 158/12

Literature

PermaRock New Buildings Brochure (external wall insulation, insulated cladding and render systems for new buildings)

PermaRock New Buildings Brochure (external wall insulation, insulated cladding and render systems for new buildings)

PermaRock Existing Buildings (Retrofit) Brochure - external wall insulation (solid wall), insulated cladding and render systems for the retrofit / refurbishment of building

PermaRock Existing Buildings (Retrofit) Brochure - external wall insulation (solid wall), insulated cladding and render systems for the retrofit / refurbishment of building

PermaRock Mineral Fibre External Wall Insulation Systems (incorporating non-combustible insulation with systems tested to EN 13501-1:2007 + A1:2009)

PermaRock Mineral Fibre External Wall Insulation Systems (incorporating non-combustible insulation with systems tested to EN 13501-1:2007 + A1:2009)

PermaRock Acrylic Through Coloured K Textured Render (high performance, flexible, weather resistant, water repellent and water vapour permeable renders)

PermaRock Acrylic Through Coloured K Textured Render (high performance, flexible, weather resistant, water repellent and water vapour permeable renders)

PermaRock Brick Effect Render (two-coat self-coloured polymer-modified cement-based render used to replicate brickwork)

PermaRock Brick Effect Render (two-coat self-coloured polymer-modified cement-based render used to replicate brickwork)

PermaRock Brick Slips (Lightweight, flexible and breathable synthetic resin brick)

PermaRock Brick Slips (Lightweight, flexible and breathable synthetic resin brick)

PermaRock Dry Dashing Aggregate / Stone (tough, durable, long lasting, cost-effective and almost maintenance render finish)

PermaRock Dry Dashing Aggregate / Stone (tough, durable, long lasting, cost-effective and almost maintenance render finish)

PermaRock SiliconeUltra Through Coloured K Textured Render (self-cleansing nano-quartz, colour-fast renders)

PermaRock SiliconeUltra Through Coloured K Textured Render (self-cleansing nano-quartz, colour-fast renders)

PermaRock Scratch Render (cement-lime render / monocouche / ashlar effect)

PermaRock Scratch Render (cement-lime render / monocouche / ashlar effect)

PermaRock SiliconeUltra Façade Coating (advanced self-cleansing façade paint with nano-quartz matrix technology and high resistance to UV)

PermaRock SiliconeUltra Façade Coating (advanced self-cleansing façade paint with nano-quartz matrix technology and high resistance to UV)

PermaRock Stone Chip Render (hard wearing, low maintenance, acrylate based exposed aggregate finish with colour coordinated natural stone granules)

PermaRock Stone Chip Render (hard wearing, low maintenance, acrylate based exposed aggregate finish with colour coordinated natural stone granules)

PermaRock Mineral K & R Renders (lime-cement-based, lightweight, non-combustible, cost effective renders)

PermaRock Mineral K & R Renders (lime-cement-based, lightweight, non-combustible, cost effective renders)

PermaRock Standard External Wall Insulation Detail Set - Masonry Walls

PermaRock Standard External Wall Insulation Detail Set - Masonry Walls

PermaRock External Wall Insulation Systems onto Sheathed Frame Substrates - Standard Detail Set

PermaRock External Wall Insulation Systems onto Sheathed Frame Substrates - Standard Detail Set

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