Fire Rated Ductwork

Quick Quote

Contact Fraser Shearer

To get a quotation or arrange a free site survey - Call Fraser Shearer on

+44 7891 865 556

Quick Quote

Contact Fraser Shearer

Call Fraser Shearer on

+44 7891 865 556

Fire Rated Ductwork System Comparison

Fire rated ventilation and smoke extraction ducts in 1, 2, 3 and 4 sided configurations, either hung on a suspended cradle system from a structural element above or fixed directly to a structural element, for fire protection of up to 4 hours fire integrity (E) and insulation (I) in both Type A (outside to inside) and Type B (inside to outside) fire attack directions.

E120 E240 EI120
Fire Integrity (minutes) 120 240 120
Fire Insulation (minutes) – – 120
Fire Attack Direction Type A (Outside To Inside)

Type B (Inside To Outside)

 Type A (Outside To Inside)

Type B (Inside To Outside)

 Type A (Outside To Inside)

Type B (Inside To Outside)
Maximum Width (mm) 6000mm 6000mm 6000mm
Maximum Height (mm) 2000mm 2000mm 2000mm
View More View More View More

SpecUp - System Specification Wizard

Answer the 5 short questions below to receive your recommended Durasteel system specifications. Hover over the ? icons for a brief explanation.

Step 1 of 5

Type of system required?(Required)

For your information

You are being redirected to one of our divisional subsites which contains more detailed information on the required division. To navigate back to the main Invicta Group site, please click the link found in the footer at the bottom of the page.