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Sandwich panel SPF E-PIR

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With its distinctive surface profiling and concealed fixing joint design, this architectural polyisocyanurate (PIR) core panel really stands out from traditional panel systems. Thanks to its low thermal conductivity ratio and airtight joint design, this energy efficient PIR core panel offers also considerable savings on heating costs.


  • External walls

Design and installation services are an important part of Ruukki's sandwich panel offering package with a view to speeding up our customers' projects.

We help you to choose optimal products and design your building using our products, as well as decide on installation methods and maintenance instructions to ensure a long lifespan.


Core material: PIR (polyisocyanurate)
Module/total width (mm): 900 / 964
Length (m): 2.0 - 18.5
External facing thickness (mm): 0.60
Internal facing thickness (mm): 0.55
Reaction to fire:

B-s3, d0

Properties by panel thickness

Thickness (mm)98
Weight (kg/m2) 14.0
U-value (W/m2K) 0.27
Sound insulation Rw (dB) 25
Wall fire resistance values & max span horizontal/vertical orientation (m):
EI15 (inside) 4/4

Coatings & colours


Standard coating for external and internal faces

Optional coating for external faces

Corrosion classes C2-C3

Corrosion classes C1-C3

Polyester (25μm)

Hiarc (27μm) 

Standard colours  

As an architectural panel SPF E-PIR is available on any RAL colour for external face. Please contact Ruukki for more detailed information.

Profile options

 Building solutions, Sandwich panel profile sinusoidal  Sandwich panel profile linear

Sinusoidal profile

Standard for external face.

Linear profile

Standard for internal face.


Flat profile

Standard for internal face.


Accessories for sandwich panels include e.g. flashings, fasteners, gaskets and sealing flanges.

These accessories ensure fast assembly, fastening reliability, joint tightness, and aesthetic improvement of external and internal walls surface construction, as well as roofs of construction works of various size and destination.

 Sandwich panel accessory U plint purlinSandwich panel accessory plinth purlin EA1L75 30


Download assembly instructions  (pdf, 2MB) 

Assembly instructions document includes information about:

  • Packing
  • Transportation and unloading
  • Storaging
  • Assembling

Download maintenance instructions (pdf, 0.71MB)

Maintenance instructions document contains information about:

  • Washing
  • Painting