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Through-Wall Facade System with Swisspearl - Rainscreen system

Verified by manufacturer 7 months ago

Rockpanel A2 - Natural Volcanic Rock

RCM - Roofing and Cladding Materials Ltd Variant:
Third party certifications:
  • BBA Agrément Certificate

    BBA Agrément Certificate

    Certificate type

Through-Wall, a mechanically fixed, non-loadbearing, drained and vented rainscreen cladding system.

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+44 (0)800 6124662 Website

Application

Suitable for following applications:

  • External facades.
  • Rainscreen cladding systems.


Suitable for lightweight steel frame, timber frame, modular/offsite and concrete frame construction methods.

Description

The System comprises an aluminium subframe, sheathing board, breather membrane, tape, isolators, insulation boards and cladding panels including cladding panel fasteners. The subframe comprises helping hand brackets, vertical/ horizontal rails (L/T-profiles) and subframe fasteners. The cladding finish layer panels are available in three variants and a range of different combinations of system components can be used, subject to the project-specific design.


Features and benefits:

  • Ventilated rainscreen cladding system.
  • Three external finish panel layers: Fibre cement (Swisspearl), natural volcanic rock (Rockpanel A2) and pre-coated aluminium (LuxeCoat).
  • Rigorously tested by the BBA, CERAM, Kiwa BDA and the BRE.

General information

Material

Fibre cement

Aluminium

Guidance for specification option:

Pre-coated aluminium.

Stone

Guidance for specification option:

Natural volcanic rock.

Shape

Rectangle

Square

Other

Length

Bespoke

Guidance for specification option:

Various sizes depending on the variant.

Width

Bespoke

Guidance for specification option:

Various sizes depending on the variant.

Height

Bespoke

Guidance for specification option:

Various sizes depending on the variant.

Warranty description

Ten year

Guidance for specification option:

System must be validated once the job finished.

Uniclass

Ss_25_20_70_25 Drained and back-ventilated rainscreen cladding systemsPrimary

CAWS

H20/150 Sheet cladding (attached to metal support systems)

H20/155 Sheet cladding (attached to timber battens)

H92/120 Rainscreen cladding

K13/160 Proprietary

Specification data - Drained and back-ventilated rainscreen cladding systems

System performance

Through the wall system.

Thermal insulation

Mineral wool slab insulation.

Guidance for specification option:

Knauf Insulation, Rockwool and Kingspan mineral wool insulation options. Consult manufacturer and insert requirements.

Manufacturer guidance

To BS EN 13162.

Breather membrane

-

Material

Reinforced polyethylene.

Spunbonded high density polyethylene.

Spunbonded polypropylene.

UV durable underlay.

Manufacturer guidance

To BS EN 13859-2.

Consult manufacturer for details.

Fasteners

Tape.

Secondary support structure

Allface (Aluminium).

Guidance for specification option:

ALLFACE extruded ‘T’ and ‘L’ aluminium rails range with adjustable helping hand wall brackets F1/F1+ to the existing structure at centres determined in conjunction with project engineer and relevant wind load calculations in accordance with BS 6399 part II.

Cavity fire barriers

-

Horizontal

Polythene sleeved Rockwool and intumescent strip.

Guidance for specification option:

  • Material: Polythene sleeved Rockwool and intumescent strip, 25 and 44 mm expansion.
  • Manufacturer: BENX-AM Open State Cavity Barrier OSCB 60/25.
  • Thickness: 90 mm Cavity widths from 50–425 mm.
  • Finish/ Colour: Foil facing, silver.
  • Fixing system: Push fitted into place. Butt end joints.
  • Fasteners: Galvanized or stainless steel, fixing clips, butts, and Coarse wound screws.
  • Number and location of fasteners: Clips may be fitted at 500 mm max. centres, with a minimum of two clips per individual length.
  • Joint type: Fire barrier slabs to butt together.
  • Consult manufacturer and insert requirements.

Vertical

Sleeved mineral wool cavity barriers.

Guidance for specification option:

  • Material: Polythene sleeved Rockwool and intumescent strip CSCB.
  • Manufacturer: BENX-AM Fire Barrier Slab.
  • Thickness: 75, 100 mm Cavity widths from 50–600 mm.
  • Finish/ Colour: Foil facing, silver.
  • Fixing system: Push fitted into place.
  • Fasteners: Galvanized or stainless-steel fixing clips and Coarse wound screws.
  • Number and location of fasteners: Clips may be omitted when the barrier is less than 250 mm, 2 clips per 1 mm length are required for cavities up to 400 mm, and 3 clips per 1 m length are required for cavities over 400 mm.
  • Joint type: Fire barrier slabs to butt together.
  • Consult manufacturer and insert requirements.

Cladding panels

-

Material

Natural Volcanic Rock.

Guidance for specification option:

  • Thickness: 9/11 ± 0.5 mm.
  • Height: 3050 mm (max fabrication dimension).
  • Length: 1250 mm (max fabrication dimension).
  • Density: 1250 ± 100 kg/m-³.
  • Bending strength: length and width f05 ≥ 25.5 N/mm².
  • Modulus of Elasticity: m(E) ≥ 4740 N/mm².
  • Thermal conductivity EN 10456: 0.55 W/(m•K).
  • Air gap: No less than 38 mm. (CWCT & NHBC 50 mm).
  • Consult manufacturer and insert requirements.

Panel joints

Open joints.

Samples required

-

Manufacturer guidance

Consult manufacturer and insert requirements.

System accessories

Tapes.

Guidance for specification option:

Consult manufacturer and insert requirements.

Joint sealant.

Guidance for specification option:

Consult manufacturer and insert requirements.

Not required.

System completion

Validation upon completion.

Sheathing board

-

Manufacturer guidance

Consult manufacturer and insert requirements.

Reaction to fire (to BS EN 13501-1)

A2-s1,d0.

Guidance for specification option:

Class A2-s1, d0 or better.

Manufacturer guidance

Reaction to fire/ surface spread of flame and external surfaces.

Third party certifications

BBA Agrément Certificate

BBA Agrément Certificate

Certificate: 15/5227

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