The permanently elastic sealant for expansion joints.

Hybrid sealant high flexible & overpaintable Flex MS

The fischer Flex MS is a one-component hybrid sealant that reacts with atmospheric moisture with almost no shrinkage and absolutely bubble-free. It is characterized by a very high elasticity. It is very easy to process and has excellent adhesive properties on a wide variety of substrates. The Flex MS also adheres reliably to damp substrates. In addition, it can be overpainted with various paint systems. It exhibits high weathering, aging and UV resistance.
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The advantages / Product description

Advantages
  • The large movement absorption and the low E-module enable the safe absorption of large component movements in the joint.
  • The suitability as façade and floor joint sealant according to EN 15651 part 1 and part 4 allows the application in interior and exterior areas.
  • The 100% bubble-free curing guarantees a perfect joint appearance in all weather conditions.
  • The good adhesion, even on damp substrates, allows the product to be applied outdoors regardless of the weather conditions.
  • Compatibility with water-based paints and synthetic varnishes allows the sealant to be painted over.
  • Very good weathering, aging and UV resistance for permanently safe application indoors and outdoors.
Certificates
  • EN 15651-1:2012 F-EXT-INT-CC (25 LM)
  • EN 15651-4:2012 PW-EXT-INT-CC (25 LM)
  • EMICODE EC 1 Plus - very low emission
  • French VOC emission class A+

Application and approval

Applications
  • Joints in the façade area
  • Movement and connection joints in interior and exterior areas
  • Sealing of connection joints on wooden, plastic and metal windows and doors
  • Connection joints inside the building between windows, doors, stairs, ceiling and wall
  • Expansion joints between tiles on floors and walls
  • Floor joints
Building materials
  • Concrete
  • Masonry, Clinker
  • Hard PVC
  • Glass, glazed surfaces
  • Copper, brass
  • Wood and wood-based materials
  • Plaster
  • Brick
  • Steel
  • Zinc
  • Eloxal
  • Enamel, tiles, ceramic
You can find detailed information on building materials in the registration document.
Approvals
  • DoP No. Seal-00022-01

Assembly instruction

Functionality
  • Chemical base: 1K Hybrid MS-Polymer
  • High elasticity of 25%
  • Processing temperature: +5 °C to +40 °C
  • Curing time 2 - 3 mm/24h
  • Temperature resistance: -30 °C to +70 °C
  • Shrinkage < 4%
  • E-module at 100% elasticity 0.45 N/mm²
  • Shore A 25
  • Adheres even to damp substrates
  • Can be painted over
  • Solvent-, isocyanate- and silicone-free
  • Very good weathering, aging and UV resistance

Documents for download

  • ETAs and DoPs
  • Safety data sheets
  • Technical documents
  • Sales materials
DOP - Declaration of Performance
pdf, DoP No. Seal-00022-01
Declaration of Performance for fischer Flex MS
Created on 10/01/2022
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