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Facade Insulation

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KORDEKO flexible facade tiles with natural stone look
How to make your home warm and cost-efficient: a proper facade insulation system + a finishing cladding that protects the insulation and keeps the exterior looking great for years.

Why facade insulation is needed

Facade insulation isn’t an “extra option” — it’s one of the most effective ways to reduce heat loss in a home. A significant portion of heat escapes through the walls, so a well-designed facade immediately affects:
  • heating costs in winter and cooling costs in summer
  • comfort (walls feel “warmer,” less dampness)
  • protection of the walls from temperature swings and moisture
  • durability of both the finish and the building itself
Facade Insulation

Main facade insulation systems

1) “Wet facade” (ETICS)

A classic system most commonly used in private houses:
Wall (brick/block/concrete) → Adhesive → Insulation (EPS polystyrene or mineral wool) → Dowels → Reinforcing layer (adhesive + fiberglass mesh + corner beads) → Primer → Finish (plaster or cladding, for example KORDEKO flexible tile)
Pros: budget-friendly, lightweight system, good for renovation.
Cons: technology-sensitive — mistakes lead to cracks and delamination.

2) Ventilated facade

Insulation with an air gap and cladding on a substructure (more expensive and more complex, but performs well with moisture management).

Which insulation materials are chosen most often

EPS (expanded polystyrene)

  • warm, lightweight, easy to work with, affordable
  • important: follow fire-safety solutions and proper installation technology

Mineral (stone) wool

  • a “breathable” system, non-combustible, good sound insulation
  • requires proper moisture protection and careful installation without gaps

XPS (extruded polystyrene)

  • most often used on the plinth/base area where moisture and mechanical loads are higher

Why it’s important to think of the facade as a system

A common mistake: “Let’s glue insulation and then put something on top.”
In practice, insulation works only when all layers are compatible and protected — because the finishing layer:
  • shields the insulation from water and wind
  • protects from sun (UV) and mechanical damage
  • extends the service life of the entire system
That’s why many people choose a finish not “the cheapest,” but the most stable and reliable.

Insulation + KORDEKO (PletaFlex): a warm facade with a stone look

KORDEKO flexible tile (PletaFlex) is suitable for insulated facades because it is:
  • lightweight — doesn’t overload the insulation or walls
  • elastic — handles micro-movements better (lower risk of cracks)
  • resistant to moisture, frost, and sun
  • applied over the reinforced layer without a metal frame (fewer thermal bridges)
  • gives the look of natural stone/brick/slate/wood without heavy materials

Typical facade insulation mistakes

  • installing insulation over a weak base (old paint/plaster barely holding)
  • gaps between insulation boards (thermal bridges)
  • too few dowels or wrong fixing pattern
  • mesh placed “on the insulation,” not embedded in the reinforcing layer
  • no reinforcement of corners and window areas
  • working in rain/frost/heat without protecting the facade
Facade insulation is the most direct path to savings, comfort, and long-term protection of your home. But the best result comes not from “insulation alone,” but from a correct facade system where the finishing cladding protects the insulation and preserves the exterior appearance.
If you want a warm facade “with a stone look” without heavy structures, KORDEKO flexible tile (PletaFlex) is an excellent fit for this task.

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