Permarock EPS-Premium External Wall Insulation System with Brick-effect Render Finish
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QA Certificate
Certificate type
High-performance, lightweight external wall insulation (EWI) system based on low-lambda, enhanced expanded polystyrene insulation with Permarock Brick-effect Render Finish.
Application
Permarock EPS Premium 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.
Permarock EPS Premium 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.
The systems can be used on new or existing buildings in both the residential and non-residential sectors.
Permarock Mineral Fibre firebreaks should be incorporated into the system to meet the requirements of the Building Regulations.
Permarock systems are only for installation by Permarock registered installers.
Description
High-performance, lightweight external wall insulation (EWI) system based on enhanced expanded polystyrene (EPS) insulation that incorporates microscopic particles of graphite for enhanced thermal performance and to dissipate heat.
Permarock Brick-effect Render (BER) is a factory-batched, two-coat, self-coloured, polymer-modified, cement-based render designed to simulate the appearance of facing brickwork. In addition, BER can also be used to create features such as soldier courses, brick quoins, etc. in combination with other Permarock decorative finishes.
Permarock BER incorporates a silicone water repellent which provides improved water resistance and helps maintain a cleaner surface. BER is particularly suited to projects where new brickwork cannot be used or where a brickwork appearance is desired.
The render can be applied to achieve metric or imperial brick sizes, any bond pattern and to create non-standard patterns and effects. Varying the surface texture of the render and incorporating special pigment powders into the render surface during application can also further diversify the desired appearance.
Features and benefits:
- Lightweight.
- For buildings up to 11 m in height.
- High thermal performance insulation.
- PAS 2035 compliant.
- Insulation thickness 20–300 mm.
- Low air permeability. Can assist in improving airtightness.
- Adhesively bonded and mechanically fixed insulation.
- High wind load resistance.
- Thermal conductivity: 0.030 W/m·K.
- BRE Global Certification 158/12.
Design considerations:
- Thermal calculations can be carried out for each project to help to determine the thickness of insulation required to achieve U-value requirements.
Beads/ Trims/ Profiles:
- A full range of beads, trims, sealing tapes, expansion joint tapes and window sealing strips (APU beads) is available to complete the design of the system.
General information
Color | Beige Black Blue Brown Copper |
Finish | Textured |
Material | Render Polymer-modified cement Polystyrene Brick Cementitious |
Shape | Other |
Length | Bespoke |
Width | Bespoke |
Height | Bespoke |
Warranty description | Ten year |
Uniclass | |
CAWS | M21/20 External wall insulation system . . . . . . M21/210 External wall insulation system |
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. Manufacturer guidanceConsult manufacturer for details of preparation to suit project substrates. |
Insulation | |
Material | Expanded polystyrene (EPS) boardsGuidance for specification option: PermaRock EPS-Premium Insulation (EPS100):
Thickness:
|
Adhesive | PermaRock Adhesive.Guidance for specification option: A polymer-modified cement-based compound for bonding thermal insulation boards to new or existing concrete, masonry 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 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: The type, length and number of mechanical fixings (per board or per m²) required is dependent on the exposure (wind load) conditions. In-situ pull-out tests are carried out to determine the pull-out resistance of fixings on a project-by-project basis. Fixings should be used in combination with adhesive bonding of the insulation boards. Consult manufacturer for recommendations. |
Fire barriers and stops | |
Material | Not required.Mineral wool fire-stopping.Manufacturer guidanceRequired horizontally at each floor level commencing at second floor level and at each floor level thereafter. |
Beads and trims | Manufacturer guidanceFull system (EWI) and render-only beads, including verge trims, top trims, starter tracks, full system stop beads, render stop beads, window sealing strips (reveals beads), movement joint beads/ profiles for vertical and horizontal joints. Sealing tapes and expansion joint tapes. All as system manufacturer’s or architect’s details, to be supplied by PermaRock. |
Movement joints | |
Form with | Live construction movement joints.Guidance for specification option: Should be brought through the system. Refer to manufacturer's standard details. |
Render carrier or reinforcement | |
Material | PermaRock Bedding Mortar and PermaRock Reinforcing Mesh.PermaRock Bedding Mortar and PermaRock Armoured Mesh.Guidance for specification option: For areas where high levels impact resistance are required. |
Fixings | PermaRock Reinforcing Mesh patches.Guidance for specification option:
PermaRock Reinforcement Layer Fixings (stainless steel).Guidance for specification option:
|
Render | |
Application | Intermediate coat. |
Material | PermaRock Brick Effect Render Base Layer. |
Decorative finish | PermaRock Brick Effect Render Face Layer. |
Colour | Chestnut.Chocolate.Gun Metal.Oatmeal.Red Cedarwood.Sandstone.Terracotta.Tudor Brown.Golden Russet. |
System completion | Manufacturer guidance
|
Substrate | Cross laminated timber (CLT). Existing brickwork/ blockwork/ concrete. New brickwork/ blockwork/ concrete. SFS (Steel frame with sheathing board). Structural insulated panels (SIPS). |
Sustainability data
Contains Red List materials | No |
Country of material origin | United Kingdom |
Country of product manufacture | United Kingdom |
Material | Render Polymer-modified cement Polystyrene Brick Cementitious |
Recyclability | Insulation can be recycled at end of life. |
Third party certifications
QA Certificate
BRE: Global Certification 158/12
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