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Steel Frame Cavity Rail Stone Wool Acrylic Brick Slip A2 Rated External Wall Insulation System - External Wall Insulation System
Verified by manufacturer 7 days ago
External wall insulation system incorporating a range of components including A1 non-combustible stone wool insulation and an acrylic brick slip finish.
Application
Suitable for a range of projects, including substrates requiring a drainage cavity and high-rise buildings.
Description
External wall insulation system for steel frame substrates, incorporating an A1 non-combustible stone wool insulation board, this system achieves a system fire classification of A2-s1,d0 to BS EN 13501-1, allowing it to be used on a building of any height.
Providing a classic brick appearance with acrylic brick slips, it provides a flexible, robust and cost effective solution. The Wetherby RagRail helps to simplify the installation of this system and provide a drained and partially ventilated cavity.
Features and benefits:
- Small drainage holes in the base track allow any potential moisture to escape from the system.
- Flexible – suitable for curved substrates.
- Quick to install.
- Lightweight.
- Fire classification: A2-s1,d0 to EN 13501-1.
- Design life: 30 years.
- Impact resistance: Category I.
- Hygrothermal/ freeze/ thaw testing: Pass.
- Stone wool thermal conductivity: 0.036 W/mK.
- Insulation thicknesses available: 50–250 mm.
- Finish options: acrylic brick slips available in a variety of colours.
- KIWA BDA certified.
General information
Color | Grey Red Yellow Orange Other Guidance for specification option: A range of colours available, consult the Acrylic Brick Slip System Brochure for more details. |
Finish | Brick Acrylic Dragfaced Buffed Textured |
Material | Acrylic Mineral wool Stone wool Aluminium Steel |
Shape | Other |
Length | Bespoke |
Width | Bespoke |
Height | Bespoke |
Warranty description | Ten year 25 year |
Uniclass | |
CAWS | M21/20 External wall insulation systems M21/210 Rendered external wall insulation systems |
Specification data - External wall insulation systems
Classification data | |
System performance | Durability - 30 years; fire performance to EN 13501-1, Class A2-s1,d0. |
Support rails and brackets | |
Fixing method | |
Material | Wetherby aluminium base rail with treated timber battens. Guidance for specification option: 2.5 m long aluminium base rail for fixing to the sheathing board. Treated timber battens (minimum dry strength grade C16 in accordance with BS EN 14081-1:2016). Wetherby aluminium base rail with RagRail steel spacer rails. Guidance for specification option: 2.5 m long aluminium base rail for fixing to the sheathing board. Epsitec spacer rail, galvanized steel top-hat rail sections. |
Bracket fixings | Ejot LS range. Guidance for specification option: Case hardened, carbon steel, self-drilling screws. |
Boards | |
Material | To BS EN 12467, fibre cement board. To BS EN 12467, cement particle board (CPB). To BS EN 313-1, plywood. To BS EN 300, oriented strand board (OSB). |
Fixings | Ejot JT2-D6 range. Guidance for specification option: Case hardened steel fastener. Ejot JT3-D6-H range. Guidance for specification option: Stainless steel bi-met high thread fastener. Other. Guidance for specification option: Other fixings may be used provided they can be demonstrated to have equal or higher pull-out, plate diameter and plate stiffness characteristics. Consult manufacturer for details. |
Insulation | |
Material | Wetherby stone wool insulation. Guidance for specification option: Rockwool External Wall Dual Density Slab. Thermal performance ranging from 0.030 Wm²/K. Thicknesses between 50–250 mm (in 10 mm increments).
|
Additional mechanical fixings | Ejot TKR range. Guidance for specification option: Self-drilling. Case hardened countersunk carbon steel fastener. Ejot TKE range. Guidance for specification option: Stainless steel tapping screws with stainless steel washers. KC insulation washers. Guidance for specification option: Insulation washer with integral cap suitable for attachment of insulation layers to wooden and sheet metal substrates. Other. Guidance for specification option: Other fixings may be used provided they can be demonstrated to have equal or higher pull-out, plate diameter and plate stiffness characteristics. Consult manufacturer for details. |
Fire barriers and stops | |
Material | Tenmat FF 102/50 Intumescent Strip. Tenmat NVFB Non-Ventilated Fire Barrier. |
Beads and trims | Render beads. Manufacturer guidanceConsult manufacturer and insert requirements. |
Movement joints | |
Form with | Render beads. Guidance for specification option: Consult manufacturer and insert requirements. |
Sealant | Arbosil LMS. Guidance for specification option: Arbosil LMS is a one-part neutral cure silicon sealant which cures on exposure to moisture vapour to form an elastic silicone rubber. Available in a range of colours; consult manufacturer's literature for more details. Nullifire FS703. Guidance for specification option: FS703 is a low modulus, neutral cure, silicone sealant, suitable for linear gaps sealing in order to reinstate the fire performance in compartment walls and floors. Available in white as standard and black and grey upon request (may be subject to minimum order quantities). Consult manufacturer's literature for more details. |
Render carrier or reinforcement | |
Material | Alkali resistant reinforcing scrim cloth (R 131 A101). Guidance for specification option: Alkali-resistant glass fibre mesh. Nominal weight of 160 g/m². |
Mesh size | 3.5 x 3.8 mm. Guidance for specification option: Supplied in 50 x 1 m rolls and available in 1.1 and 0.5 mm thickness. Insert requirements. |
Fixings | Ejot TKR range. Guidance for specification option: Self-drilling. Case hardened countersunk carbon steel fastener. Ejot TKE range. Guidance for specification option: Stainless steel tapping screws with stainless steel washers. Other. Guidance for specification option: Other fixings may be used provided they can be demonstrated to have equal or higher pull-out, plate diameter and plate stiffness characteristics. Consult manufacturer for details. |
Render | |
Application | Finish coat. |
Decorative finish | Wetherby Izoflex SK adhesive with Wetherby Izoflex acrylic brick slips. Guidance for specification option:
|
Colour | Manufacturer guidanceAvailable in a wide range of colours; consult manufacturer for more details and insert requirements. |
System accessories | Manufacturer guidanceConsult manufacturer for details and insert requirements. |
Mortar | Wetherby Izoflex SK adhesive. Guidance for specification option: Polymer dispersion cement-free adhesive. Specialised adhesive that not only provides incredible adhesion properties to adhere the slips, but also seals the slip edges used as the systems pointing mortar. Available in a range of colours, consult manufacturer and insert requirements. |
Scrim adhesive | HECK K+A scrim adhesive. Guidance for specification option: Mineral-based, bonding and reinforcing basecoat. |
Impact resistance | Category I. |
Sustainability data
Contains Red List materials | No |
Country of material origin | Europe |
Country of product manufacture | Europe |
Manufacturing plant location | |
Material | Acrylic Mineral wool Stone wool Aluminium Steel Fibre cement Plywood Oriented strand board (OSB) Fiber-glass Fibre-reinforced Mineral board Mineral fibre Rock fibre Rock fibre mineral wool Rock mineral fibre Rock mineral wool Stonewool Calcium silicate Cementitious Fibre-glass Intumescent |
Expected Life | 30 year |
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