The StoTherm Classic M System comprises an impact resistant, flexible render finish applied over fire retardant treated expanded polystyrene insulation boards. The insulation is fixed by means of either Sto Rotofix Plus or Sto Rotofix mini helix spiral fixings.

The system may be fixed to either bare concrete or masonry, previously rendered/ painted concrete or masonry, or onto a light steel framed or timber framed construction with suitable sheathing board.

Through coloured render finishes are low maintenance, weather resistant and vapour permeable. The system may be used on buildings with a storey level up to 11 m above ground level.

For insulation and finishes to below DPC zones consult manufacturer.

Quick Set (QS) versions of materials offer frost resistance and wash-off protection at temperatures from +1°C and 95% relative humidity, reducing potential construction delays due to cold weather - consult manufacturer for recommendations.

Fixing pattern will be dependent on insulation thickness, substrate type and wind load conditions. Consult manufacturer for further information. Specify framing system separately.

Impact loading (ETAG 004):

Single layer - Category II.
Single layer Armour mesh + single layer standard mesh - Category I.
Consult manufacturer for details and recommendations.

95/3132 Product sheet 8 StoTherm Classic M LWSF