Exterior Render Repair Systems
Repairs for Cracked and Leaky Substrates
Where building facades have been impaired by environmental impact, seismic movement or structural stress a suitable remedial system must be implemented.
With the limitations of cement based render products Sto has developed the malleable high impact weatherproof StoArmat Remedial Render System to repair, refurbish and renew existing render surfaces. Optimised over 50 years, six-times more flexible than standard cement-based products and manufactured in Germany to guarantee quality and application consistency, the StoArmat Remedial Render System with it’s range of finishing renders and coatings exceeds expectations.
Where the benefits of renovation is required, but cost is a major issue for the project the StoColor Lastic Satin Coating System may be ideal.
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StoArmat Remedial Render System
The 4-5mm StoArmat Remedial Render System is a well engineered solution incorporating a StoCrack Fill an elastomeric jointing paste and StoLastic Mesh RF with high crack prevention properties to provide reinforcement and flexibility. Once dry a full StoArmat meshed reinforcement render is applied, providing reinforcement, strength and durability. Finished in Stolit finishing render and StoColor facade paint. Installations are carried out by a Sto Registered Contractor with the added protection of the Sto 10 Year Refurbishment Warranty and StoService Assurance plan for long-term security.
StoArmat Remedial render system
Click on each of the layers below to view the components of the System.
Check timber to ensure the framing is sound (to be carried out by an indepdendent assssor)
Substrate: Existing fibre cement sheet (shown)
Other options include existing cracked render cladding and masonry substrates.
StoCrack Filler Fine
Elastic paste to fill and reinforce cracks.
Plus: StoLastic Mesh RF
Specially engineered elastic reinforcement mesh with high tear resistance.
Reinforcement Render: StoArmat Render
An organic, weather resistant, cement-free and breathable, high-impact render, with a crack resistance six times higher than that of standard cement-based plasters.
Plus: Sto Glass Fibre Mesh 4/7mm
Easy to install, meets the highest requirements for crack, stress and alkalinity resistance.
Finishing Render: Stolit Renders
Organically bound, highly weather resistant, strong, hard-wearing, impact-resistant, pre-coloured finishing renders. (No cement)
Stolit K Range
Stolit MP & MP Natural
StoColor coating based on IQ Net Technology for functional facades.
Sto 10 Year Refurbishment Warranty with StoService Assurance
Stolit: Coloured Finishing Renders
Stolit organic finishing renders are manufactured in Germany incorporating the latest technology; certified globally and successfully applied to rendered substrates in every climatic zone for over 50 years.
The Stolit range provides the perfect combination of properties: durable, strong, hard-wearing, impact-resistant, malleable, weather-resistant, colour-stable and highly resistant to microorganisms. In addition, its vapour permeability allows your building to breathe while still repelling water.
Coloured Self-Gauging Float Finish Renders:
Stolit K 1.0mm
Stolit K 1.5mm
Stolit K 2.0mm
Stolit K 3.0mm
Coloured Fine Float, Sponge, or Light Adobe Finish Renders:
Stolit MP Natural
The StoColor finish, a serviceable coating embodying intelligent technology for a range of surface functions to compliment the architectural structure and design. The StoColor System, with 800 shades or matched to any colour using the Sto Spectrometer, provides a clear framework and systematic approach to colour based on integrated layers, combining texture and colour for aesthetic appeal.
TDS / MSDS
Download a TDS or MSDS
Primers / Sealers:
Reinforcement Render / Base Render:
CAD or PDF Details
Download a Detail Set
Download an Individual Detail
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Disclaimer: These drawings have been issued as a guideline. The sequence work covers various building components, each trade is responsible to ensure their elements are fully installed, including all waterproofing / sealant / flashings as is applicable.
Last updated March 2018