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Sto Rend Flex Cote, render only system - Render system.

Verified by manufacturer 5 months ago

Sto Ltd

A render system for application onto masonry substrates, suitable to accept a wide range of low maintenance facade finishes and offering protection from weather.

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Application

Suitable for use on new-build and refurbishment projects where the substrate is brick, block, concrete or aerated concrete.

Description

A render system for application onto masonry substrates comprising levelling coat, cement free reinforcing coat and glass fibre reinforcing mesh, suitable to accept a wide range of low maintenance facade finishes and offering protection from weather.


The StoRend Flex Cote system offers approximately 15 times the crack resistance compared to traditional renders and can be finished with a range of Sto render finishes, StoBrick, Sto-Resin Brick Slips, Sto-Ecoshapes or enhanced with StoDeco Profiles or StoDeco Rustications. Sto through coloured render finishes are available in a variety of textures and grain sizes, and up to 1100 colours from the StoColor system and StoDesign Architectural Colour Range.

General information

Color

Other

Guidance for specification option:

Large range of colour options, contact manufacturer for details.

Finish

-

Manufacturer guidance

Range of finish options available, contact manufacturer for details.

Material

Cement

Polymer

Shape

Formless

Length

Bespoke

Width

Bespoke

Height

Bespoke

Warranty description

Five year

Guidance for specification option:

Applicable to installations by registered installers.

In some circumstances the warranty period may be extended upon application prior to commencing installation; consult manufacturer for details.

Uniclass

Ss_25_45_70_55 Multicoat render systemsPrimary

CAWS

M20/160 Proprietary cement gauged render

M20/19 Proprietary cement gauged render

Specification data - Multicoat render systems

Substrate preparation

StoPrim Fungal.

Guidance for specification option:

Disinfectant for treatment of algae/ fungal growth.

StoPrim Micro.

Guidance for specification option:

Deep penetrating, adhesion promoting, surface consolidating, absorption regulating primer typically suited to application in large areas.

StoPlex W.

Guidance for specification option:

Adhesion promoting, surface consolidating, absorption regulating primer suited to application in small to medium areas.

StoPrep Contact.

Guidance for specification option:

Bonding bridge for use on surfaces that are smooth and/ or of very low absorption.

First undercoat

StoLevell Cote.

Guidance for specification option:

Minimum thickness 6 mm, maximum thickness 12 mm per coat. Multiple coats are possible.

StoMiral FL Vario.

Guidance for specification option:

Alternative for aerated concrete blockwork. Minimum thickness 8 mm, maximum thickness 12 mm per coat. Multiple coats are possible.

Manufacturer guidance

Levelling coat:

- Type/ Overall thickness:


  • StoLevell Cote: Cement based, polymer modified cementitious, levelling coat. Apply to completely straighten substrate. Minimum thickness: 6 mm. Thicknesses greater than 12 mm to be a multi-coat application. Can be applied up to 20 mm for localized repairs.
  • StoMiral FL Vario: Alternative levelling coat for lightweight aerated concrete block, A lightweight fibre-reinforced render with organic lightweight aggregate. Apply to completely straighten substrate. Minimum thickness: 8 mm. Thicknesses greater than 12 mm to be a multi-coat application. Can be applied up to 20 mm for localized repairs.


Second undercoat

StoArmat Classic plus G cement free reinforcing render.

Manufacturer guidance

Reinforcing coat:

StoArmat Classic Plus cement free, water based, fibre reinforced, highly flexible acrylic mesh coat. Minimum thickness: 3.0 mm; thickness to be such as to ensure the reinforcing mesh is fully embedded.

Final coat

Stolit Effect.

Guidance for specification option:

Acrylic resin bound render finish used to achieve special render effects.

Stolit K.

Guidance for specification option:

Acrylic resin bound render with stippled texture.

Stolit Milano.

Guidance for specification option:

Acrylic resin bound render finish with fine grain used either alone or with Stolit K/ Stolit Effect to achieve special render effects.

Stolit MP.

Guidance for specification option:

Acrylic resin bound render with rustic texture.

Stolit R.

Guidance for specification option:

Acrylic resin bound render with rilled texture.

StoLotusan K.

Guidance for specification option:

Super-hydrophobic render finish with stippled texture and Lotus Effect.

StoLotusan MP.

Guidance for specification option:

Super-hydrophobic render finish with rustic texture and Lotus Effect.

StoSilco K.

Guidance for specification option:

Silicone resin bound hydrophobic render with stippled texture.

StoSilco MP.

Guidance for specification option:

Silicone resin bound hydrophobic render with rustic texture.

StoSilco R.

Guidance for specification option:

Silicone resin bound hydrophobic render with rilled texture.

StoSuperlit K.

Guidance for specification option:

Acrylic bound render finish with exposed natural stone aggregate.

Sealant movement joints

-

Beads

Sto-Movement Joint Bead PVC-U.

Substrate

Common or facing brickwork.

Concrete.

Concrete blockwork.

Stone.

Overall thickness

Guidance for specification option:

Insert requirements. Overall thickness is also dependent upon the quality of the substrate which will affect the thickness of levelling coat.

Reinforcing mesh

Sto Glass Fibre Mesh.

Colour/ Aggregate

Guidance for specification option:

Refer to StoColor system and Sto Architectural colour range for colours. Consult manufacturer for details and samples.

  • Stolit: 1.5, 2, 3 and 6 mm grain size.
  • StoSilco and StoLotusan: 1.5, 2 and 3 mm grain size.
  • StoSuperlit: 2 mm grain size.

Accessories

None.

Sto-Bellcast Bead PVC-U.

Sto-Stop Bead PVC-U.

Sto-Movement Joint Bead PVC-U.

Sto-PVC Mesh Angle Bead.

Guidance for specification option:

For reinforcing 90° external angles.

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Sustainability data

Contains Red List materials

No

Country of material origin

Germany

Manufacturer guidance

Various, consult manufacturer for details.

Country of product manufacture

Germany

Manufacturer guidance

United Kingdom and Germany, consult manufacturer for details.

Literature

StoRend Render Systems Guide

StoRend Render Systems Guide

Case studies

Sto Render System for new Museum and Whisky Distillery

Sto Render System for new Museum and Whisky Distillery