Sandersfire International

A A A

Floor Penetrations - Cabling and Pipework

Fire-stopping to cabling and pipework through floor openings using Sandersfire Firecrete.

Note: For load bearing seals please refer to structural data for thickness of Firecrete required.

Floor Penetrations - Cabling and Pipework
Floor Penetrations - Cabling and Pipework

Fire Performance as Floor Seal BS476 p.20, 1987

Depth of
Firecrete (mm)
Service PenetrationInsulation (mins)
On Services
Integrity (mins)
50 STDSteel cable tray and cables81240
50 STDSteel pipe 25 - 108 dia31 - 73240
50 STD + 50 SPSteel cable tray and cables120240
100 STDSteel cable tray and cables155240
100 STDSteel pipe 25 - 40 dia62 - 113240
100 STD + 50 SPSteel cable tray and cables240240
100 STD + 50 SPSteel pipe 25 - 108 dia42 - 160240
150 STDSteel cable tray and cables240240
100 HSSteel cable tray and cables57240
100 HSSteel pipe 25 - 108 dia36 - 91240
82 HSFire Damper225240
100 HS ASTMCable trays, cables and steel pipes59 - 180240
100 HS ASTMFire Damper60240
100 HS Loaded SealClear Seal220240
100 HDSteel cable tray and cables43 - 52240
100 HDSteel pipe 25 - 108 dia38 - 101240

Fire Performance as Floor Seal BS476 p.20, 1987 (Hydrocarbon Curve)

Depth of
Firecrete (mm)
Service PenetrationInsulation (mins)
On Services
Integrity (mins)
100 STDSteel cable tray and cables50 - 83245
100 STDSteel pipe 25 - 102 dia24 - 81245
100 HSSteel cable tray and cables22 - 200245
100 HSSteel pipe 25 - 102 dia36 - 91245

STD: Standard Firecrete Mortar
HS: High Strength Firecrete Mortar
HD: High Density Firecrete Mortar