Verified by manufacturer 5 months ago
Reaction to fire: A2-s1, d0 to BS EN 13501-1
BBA Agrément Certificate
Certificate type
A highly durable external wall insulation with mineral fibre boards and mineralic render, providing excellent fire protection and thermal performance.
External wall insulation Suitable for fixing to either bare concrete or masonry, previously rendered or painted concrete or masonry, or onto a light steel framed or timber framed construction with suitable sheathing board. For new build or refurbishment projects. Can be installed without restriction in height or proximity to boundaries.
Insulation fixings
To fix insulation to masonry, concrete and panel backgrounds, a variety of thermally-broken hammer and screw-driven dowel fixings are available. Spacing and number of fixings to suit substrate and wind load conditions.
Finish
Render - Stolit, StoSilco, StoLotusan
Architectural Elements - StoBrick, StoCleyer B brick slips, StoEco shapes, StoDeco panels or profiles
Range of intelligent facade paints
The StoTherm Mineral K System comprises an impact resistant render finish to non-combustible rock mineral fibre insulation boards. Insulation boards are adhesive and mechanically fixed to a masonry or suitably sheathed light steel frame substrate. Through coloured render finishes are low maintenance, weather resistant and vapour permeable for external wall insulation.
The system has an A2-s1, d0 reaction to fire classification in accordance with BS EN 13501-1 :2010 and can be installed without restriction in height or proximity to boundaries.
The StoTherm Mineral K system can also be configured to achieve an A1 reaction to fire classification. Consult manufacturer for details.
For insulation and render finishes to below DPC zones consult manufacturer.
Quick Set (QS) versions of materials offer frost resistance and wash-off protection at temperatures from +1°C and 95% relative humidity, reducing potential construction delays due to cold weather - consult manufacturer for recommendations.
Impact loading (ETAG 004):
Color | Beige Black Blue Bronze Brown Manufacturer guidanceA wide range of render colours are available from the StoColor system and StoDesign Architectural colour ranges. |
Finish | Manufacturer guidanceA variety render finishes are available, plus resin brick slips, clay brick slips, stone or ceramic tiles. |
Material | Mineral board Mineral wool |
Length | 1200 mm |
Width | 600 mm |
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 | |
CAWS | M21/20 External wall insulation system . . . . . . M21/210 External wall insulation system |
Support rails and brackets | |
Boards | |
Material | Manufacturer guidanceBoard substrate: Type: Various types of cement particle, calcium cement, oriented strand board (OSB) or plywood boards. Gypsum based sheathing boards are not generally suitable for mechanically fixed systems. The type selected may affect whether a primer is necessary and if so the type of primer required. Consult manufacturer for recommendations. |
Insulation | |
Material | Sto-Mineral Fibre boards - dual density - (1200 x 600 x t) 0.036 W/mK.Manufacturer guidanceSto-Mineral Fibre insulation boards, Dual Density:
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Adhesive | StoLevell Duo Plus mineral adhesive plus supplementary fixings (dowels).StoLevell Uni high build / strength mineral adhesive plus supplementary fixing. |
Additional mechanical fixings | Sto-Hammer Dowel UEZ H1 8/60 for medium and high density masonry and concrete.Sto-Thermodowel 2G ETA 8/60 for low, medium and high density masonry and concrete, pre-cast concrete, previously rendered masonry.Sto-Fixing TKR plus Sto-Washer SBH for cement particle boards and other suitable sheathing boards. |
Beads and trims | Sto-Aluminium Flexicurve starter track - for use at base of system to radius.Sto-Starter Track Connectors - to aid alignment of starter track profiles.Sto-Clip-on Profile Novo - stainless steel profile for use with aluminium starter track profile to provide additional crack resistance at base of system.Sto-PVC Mesh Angle Bead - for reinforcement of 90º external angles.Sto-Armour Angle - for reinforcement of internal angles.Sto-Mesh Angle Flexibead Ideal - variable angle bead on a roll for reinforcement of external angles.Sto-Seal Joint Sealing Tape Lento - Pre-compressed joint sealing tape for use at interfaces with other elements of the building envelope.Sto-Seal Bead Supra - Head and reveal seal profile with integrated sealing tape and glass fibre mesh.Sto-Seal Bead Perfekt - Head and reveal seal profile with telescopic mechanism and integrated glass fibre mesh.Sto-Seal Bead Expert Pro - Head and reveal seal profile with integrated glass fibre mesh for side / edge installation.Sto-Stop Bead Standard - Head and reveal profile with integrated glass fibre mesh.Sto-Starter Track PH-P - insulation support profile for use at the base of the system in conjunction with Sto-Plinth PVC Profile PH, particularly suited to passive house construction.Sto-Plinth PVC Profile PH - insulation support / drip profile for use at the base of the system in conjunction with Sto-Starter Track PH-P, particularly suited to passive house construction. |
Movement joints | |
Form with | Sto-Expansion Joint Type E - for use at horizontal/ vertical movement joints.Sto-Expansion Joint profile Type V - for use at vertical movement joints at internal angles. |
Sealant | Sto-Expansion Joint Tape Type 1 light grey - for joint width 10–18 mm.Sto-Expansion Joint Tape Type 1 anthracite - for joint width 10–18 mm.Sto-Expansion Joint Tape Type 2 light grey - for joint width 17–32 mm.Sto-Expansion Joint Tape Type 2 anthracite - for joint width 17–32 mm.Sto-Expansion Joint Tape Type 3 light grey - for joint width 28–40 mm.Sto-Expansion Joint Tape Type 3 anthracite - for joint width 28–40 mm.Sto-Expansion Joint Cover E (vertical joints only).Sto-Expansion Joint Cover V. |
Accessories | Sto-Expansion Joint - cross piece.Sto-Expansion Joint - T piece.Sto-Expansion Joint Profile - external corner.Sto-Expansion Joint Profile - internal corner. |
Render carrier or reinforcement | |
Material | Sto-Glass Fibre Reinforcing Mesh - standard mesh embedded in reinforcing coat.Sto-Armour Mesh - reinforcing mesh embedded in reinforcing coat prior to standard mesh for additional impact resistance.StoLevell Duo Plus reinforcing coat.StoLevell Uni reinforcing coat.StoArmat Classic Plus reinforcing plaster.Manufacturer guidanceReinforcing mesh: Sto-Armour mesh - additional reinforcing mesh used in conjunction with standard mesh to provide increased impact resistance. Mesh to be applied into base coat render ensuring the reinforcing mesh is fully embedded. |
Mesh size | Sto-Glass Fibre Reinforcing Mesh. |
Render | |
Material | Stolit - cement free, acrylic resin based organic render finish.StoSilco - cement free silicone resin based organic render finish with hydrophobic properties.StoLotusan - cement free organic render finish with Lotus effect® technology with super-hydrophbic properties.StoSuperlit - cement free acrylic resin based organic render finish with variegated coloured natural stone aggregate in a clear binder.StoMiral - mineral finishing render.Manufacturer guidanceRender finish coat: Render finishes are available in a range of up to 800 colours from the StoColor System, and a further 300 colours from the Sto Architectural colours range. Other finishes: StoBrick clay brick slips, Sto Resin Brick Slips, Sto-EcoShapes, StoDeco Profiles, StoDeco Rustications, plus other options may be used as an alternative to or in conjunction with render finishes - consult manufacturer for details. |
Decorative finish | Stolit K - Acrylic resin bound render with stippled texture.Stolit R - Acrylic resin bound render with rilled texture.Stolit MP - Acrylic resin bound render with rustic texture.StoSilco K - Silicone resin bound hydrophobic render with stippled texture.StoSilco R - Silicone resin bound hydrophobic render with rilled texture.StoSilco MP - Silicone resin bound hydrophobic render with rustic texture.StoLotusan K - Super-hydrophobic render finish with stippled texture and Lotus Effect.StoLotusan MP - Super-hydrophobic render finish with rustic texture and Lotus Effect.StoSuperlit K - Acrylic bound render finish with exposed natural stone aggregate in a clear binder.Stolit Milano - Acrylic resin bound render finish with fine grain used either alone or with Stolit K / Stolit Effect to achieve special render effects.Stolit Effect - Acrylic resin bound render finish used to achieve special render effects.StoMiral K - mineral render finish with stippled texture.StoMiral R - mineral render finish with rilled texture.StoMiral MP - mineral render finish with rustic texture.Manufacturer guidanceFinish coat:
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Colour | Manufacturer guidanceRender finishes are available in a range of up to 800 colours from the StoColor System and a further 300 colours from the Sto Architectural colour range. |
Protective coating | Not applicable. |
System accessories | StoFix Mini ND fixing block 100 x 100 mm.Guidance for specification option: 100 x 100 mm high density EPS foam block set into insulation prior to application of render coatings, suitable to accept direct fixing of lightweight items or for use as an anti-compression block where fixing heavy items back to the substrate. StoFix Mini ND fixing block 150 x 100 mm.Guidance for specification option: 150 x 100 mm high density EPS foam block set into insulation prior to application of render coatings, suitable to accept direct fixing of lightweight items or for use as an anti-compression block where fixing heavy items back to the substrate. StoFix Maxi HD fixing block 198 x 198 mm.Guidance for specification option: 198 x 198 mm rigid polyurethane foam block set into insulation prior to application of render coatings, suitable for use as an anti-compression block where fixing heavy items back to the substrate. StoFix Rondelle.Guidance for specification option: polypropylene disc recessed into insulation prior to application or render cotings, suitable for fixing lightweight items. StoFix Spiral ID60.Guidance for specification option: spiral fixing for post-installation fixing of lightweight items. StoFix Iso-Dart.Guidance for specification option: mounting anchor for post-installation fixing of medium weight items to masonry substrates. |
Intermediate coat | Sto-Primer - filled, pigmented organic undercoat. StoPrep Miral - filled pigmented silicate undercoat for use prior to application of mineral render finishes. |
Colour/ Aggregate | Manufacturer guidanceAggregate:
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Third party certification: | BA Agrément Certificate 95/3132, Product sheet 6 |
Reaction to fire (to EN 13501-1) | A2-s1, d0. |
Country of material origin | Manufacturer guidanceVarious, consult manufacturer for details. |
Country of product manufacture | Manufacturer guidanceUnited Kingdom and Germany, consult manufacturer for details. |
Recyclability | Fully recyclable (insulation) |
NBS BIM Object Standard
This BIM object has been authored to meet the requirements of the NBS BIM Object Standard.
Find out more about the NBS BIM Object Standard.
Platform | Compatible | Version |
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- | 5 | |
- | 5 |