Insulated Render

Typical Wall Build Up

  • Sto Render System
  • Cavity
  • 12mm external grade sheathing board
  • 100mm studs @ 600 centres + 50mm multi purpose slab
  • 15mm board (see below)
  • 15mm board (see below)
Insulated Render External Finish Build Up

Fire Performance

Board Performance Values
1x15mm Gyproc WallBoard (inner face)
1x15mm Gyproc WallBoard Duplex
60 Minutes
1x15mm Gyproc FireLine Board (inner face)
1x15mm Gyproc FireLine Board Duplex
120 Minutes

Thermal Performance

Insulation Performance Values
70mm Sto EPS Insulation 15Kg/m2 0.28 W/m2K
90mm Sto EPS Insulation 15Kg/m2 0.24 W/m2K
130mm Sto EPS Insulation 15Kg/m2 0.20 W/m2K

The above details are based on a 20mm cavity formed by Sto Support Rail and Sto calculations