Topspan Insulated Roof Deck

Topspan Insulated Roof Deck

Topspan insulated roof deck combines a structural deck and metal top sheet in one product

The panels are suitable for zinc, stainless steel and aluminium standing seam waterproofing systems and single-ply membranes. 
  • ​Suitable for frame-to-frame spanning of up to 8 metres subject to roof loadings
  • Reduces need for secondary steel
  • Suitable for flat, low pitch and curved roof applications
  • Acoustic performance - Topspan panels have a predicted single-figure weighted sound reduction Rw = 27dB
  • Lifetime insulation continuity, thermal performance and airtightness (less than 3m3/hr/m2) certainty

Technical Information

Core Thickness (mm) 66  102 126
U-Value (W/m2K) 0.25 0.18# 0.15#
Weight kg/m2 20.4 21.8 22.8

The recommended roof U-values are dependent on the method chosen:
Overall Heat Loss Method ≤ 0.25 W/m²K
Elemental Heat Loss Method ≤ 0.20 W/m

Colours and Coatings

Available in steel.

External weathersheet options: Kingspan CLEANsafe 15 bright white (standard).  Internal Profile deck sheet: Kingspan CLEANsafe 15 bright white (standard)

External: galvanised or Kingspan CLEANsafe 15

Product Data Sheet

Please contact our technical department to request the product data sheet for this product.

Tel: +44 (0)800 587 0090

Fire Performance

Please contact for further advice and appropriate specifications.


Planet Passionate
Planet Passionate
Through our new Planet Passionate 10-year groupwide sustainability programme, we aim to make significant advances in the sustainability of our business and of our products.