Back to overview
StoTherm Classic®
Robust external wall insulation system with maximum crack and impact resistance
Products and systems vary from location to location due to local building regulations and standards. We strongly advise you to make contact, your local expert will be happy to consult you on standards and approval.
System advantages
- large seamless facade surfaces possible
- highly resistant to mechanical stress
- system reliability - more than 100 million m² in use worldwide
- crack-resistant thanks to a cement-free system build-up
- highly resistant to microorganisms (algae and fungi)
- intense, dark colour shades possible
- huge variety of creative possibilities using colour shades, textures, and materials
- cement-free, ready-to-use system components
- economic as no intermediate or paint coat required
- clean building site thanks to a system-approved PU foam adhesive technology
- resistant to hail, storms, and hurricanes according to the FIBAG simultaneous test
- water vapour permeable
- complete range of system components for efficient supply and delivery
Properties
Thermal protection
- approved EPS insulation board
Reaction to fire
- limited combustibility
- class B, C in accordance with EN 13501-1, depending on system build-up
- additional fire protection measures may be required
Impact resistance
- outstanding impact resistance of 15 joules (single layer) and 60 joules (two layers)
- highest hail impact resistance class 5 in the appropriate system build-up
- ball-impact resistant in accordance with DIN 18032-3
- resistant to hail, storms, and hurricanes according to the FIBAG simultaneous test
Wind load
- can be used with increased wind loads provided there is additional suitable fixing
Other properties
optional Lotus-Effect® Technology
Use
Area of application
- new and existing buildings up to high-rise level
- all types of public, private and commercial buildings
- to be used in accordance with the local building rules and regulations
- passive house certified
- suitable for all climate zones
Substrate
- masonry, e.g. brick, calcium silicate masonry units, cellular concrete, fair-faced masonry and masonry veneer
- concrete, concrete slab construction
- timber construction (solid, frame and panel construction)
- steel construction (column and framing)
- lightweight construction
- existing external wall insulation systems (doubling-up of insulation)
Fixing
- bonding
- bonding and fixing with anchors
Application
- cement-free, ready-to-use system components
- no intermediate coat required
- special protection against algae and fungi with a double coat of paint
- suitable for application by machine
- complete selection of detail solutions
Creative possibilities
Design options
- Acrylic renders, silicone resin renders, and renders with Lotus-Effect® Technology in stippled render texture, rilled render texture, or in free-style textured render
- resin brick slips and 3D facade elements made of Verolith granulate
- natural stone tiles, brick slips, and ceramic tiles possible on agreement
- through-tinted renders possible
Colour spectrum
- tintable in accordance with the StoColor System
- intense, dark colour shades (light reflectance value < 25 %) possible
Certification
Approvals
The relevant European and/or national approvals apply.
How can I help?
We need your consent to load Pardot.
We use a third-party service to embed contact forms and make it available to you. By clicking “Accept”, you consent to your data being processed by Pardot in accordance with our CMP. You can find out more about the service by clicking “More information”. You can withdraw consent with effect for the future at any time.
We are Sto, how can we help you?
-
Audra Lee Sto Singapore -
Otto Norling Sto Sweden -
Wei Zhuang Sto China -
Grant Littlejohn Int. project support London -
Mark Harris Sto Gulf Region -
Murat Yarar Sto Turkey