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weberend MTR 124P External Render

weberend MTR 124P External Render

Verified by manufacturer 3 months ago

New variant

Saint-Gobain Weber Third party certifications:
  • BBA Agrément Certificate

    BBA Agrément Certificate

    Certificate type

A multi-coat render system, incorporating glass-fibre meshcloth on a panel background and webersil TF top coat.

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+44 (0)1525 718877


  • Suitable for use on new build or refurbishment projects on steel or timber framed substrates.
  • The product can be used on buildings above 18 metres in England and Wales and 11 metres in Scotland. Subject to wind load requirements and substrate board type.


A multi-coat render system, incorporating glass-fibre meshcloth on a weber approved substrate board, and a webersil TF top coat.

Features and benefits:

  • Provides weather protection.
  • A wide range of finish coat colours are available.
  • BBA approved when used in conjunction with Siniat Bluclad or Knauf Aquapanel Exterior panels.
  • Suitable for use in areas where the local wind-driven rain spell index is less than 100 L/m² per spell calculated in accordance with BS 8104: 1992, and in situations where traditional renders are normally specified.

System components:

  • Fixings as specified in the BBA certificate.
  • Substrate board.
  • weberend LAC rapid (first layer, 3 mm).
  • weber standard meshcloth.
  • weberend LAC (second layer, 3 mm).
  • webersil TF textured finish.

The installation must be capable of resisting all dead loads and design live loads, including impact and wind loads, and accommodate all thermal movements without damage.

System installation is to be strictly in accordance with Saint-Gobain Weber specification. Please note that any other manufacturer's products used within the system will invalidate the guarantee, and the performance cannot be supported.

Remedial work must be completed prior to the installation of Weber render systems.

All rendering must be in accordance with the relevant recommendations of BS 13914-1: 2005, Design, Preparation and Application of External Rendering and Internal Plastering, BS 8000: Code of Practice for Plastering and Rendering. Consult manufacturer for further details.

Aquapanel Exterior should be restricted to use on buildings no greater than 7.2 m in height. If this restriction is exceeded design advice should be sought from Knauf and recorded.


Timber or metal frame structure is required, including support rails suitable to receive render substrate boards in accordance with manufacturers recommendations, providing an in-plane and of adequate thickness for appropriate support and stiffness (limit mid span deflections L/200 and cantilever deflections to L/150. Board mid-span deflections should be limited to L/500) to receive weberend MT reinforced render system within the stated deflection limits or edge protrusions.

Prior to installation of the weberend MT system, ensure the manufacturer of the proposed approved substrate boards are contacted to obtain their fixing recommendations and ensure the boards suitability in withstanding the necessary wind load requirements for the specific project.

General information


160 standard colours available



webersil TF



Ss_25_45_70_55 Multicoat render systemsPrimary


M20/160 Proprietary cement gauged render

M20/19 Proprietary cement gauged render

Product range

Renders And Decorative Finishes

Specification data - Multicoat render systems

First undercoat

To be applied in two coats, incorporating meshcloth insulation board. Apply 2–3 mm thick, incorporating weber meshcloth. Allow for partial take-up then apply further 3 mm to form a nominal 6 mm thick monolithic coat. Further application instructions are available from the manufacturer.

weberend LAC rapid.

Second undercoat

weberend LAC rapid.

Final coat

- Finishing coat:

  • Can be applied with a thin plastic float.
  • Primer: Can be brush, spray, or roller applied.

webersil TF.


Render only beads are available in coated galvanised, stainless, coated aluminium or rigid plastic in 3 m and 2.5 m lengths.

Product Reference

weberend MTR 124P

Substrate board

Knauf Aquapanel Exterior and Siniat Bluclad are recommended. More may be available, consult manufacturer for an up to date list of recommended boards tested for this system.

Knauf Aquapanel Exterior.

BBA approved.

Siniat Bluclad.

BBA approved.

Cavity barriers

Type, thickness, density and compressive strength to be determined by the design team.

Consult manufacturer for details.

Accessories/ Other requirements

Render only beads, if required by the system or product, or if specified, shall be of appropriate design, gauge and material - consult manufacturer for details. Some available accessories include:

  • Beads/ stops.
  • Construction/ movement joints.
  • Compression joints.

Where window frames incorporating window cills are to be provided by others, then the cill must project sufficiently beyond the outside line of the Saint-Gobain Weber render system to a recommended 40 mm minimum - consult manufacturer for further details.

Consult manufacturer and insert requirements.


3.5 x 3.5 mm meshcloth.


160 g/m².

Roll size

1 x 50 m.

Fire performance:

A2-s1,d0 when classified in accordance with BS EN 13501-1.

Environmental information

Country of material origin

United Kingdom

Country of product manufacture

United Kingdom

Digital objects

Platform Compatible Version Certified to




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Weber Renders & Decorative Finishes

Weber Renders & Decorative Finishes

Third party certifications

BBA Agrément Certificate

BBA Agrément Certificate

Certificate: 15/5228

BBA Agrément Certificate

BBA Agrément Certificate

Certificate: 15/5228

BBA Agrément Certificate

BBA Agrément Certificate

Certificate: 15/5228

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