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.

DBD Durasteel Blast Doors

Quick Quote

Contact Fraser Shearer Sarun Vysakham Ben Tan Azim Rizvi Anand Raghavan Our USA Office

Home Technical Data Fire Doors DBD Durasteel Blast Doors

DBD Durasteel Blast Doors


Standard Specification
Leaf: Overall Thickness: 28 or 50mm
Material: 9.5mm thick DURASTEEL® sheet
Jointing construction: Mitred and welded
Frame: Overall frame depth: 70mm (FR9) (FR13)
Material: 75 x 50 x 6mm thick channel section
Jointing: Mitred and welding joints
Type and configuration: Single rebate/3-sided frame
Threshold plate: 70 x 10mm thick MS plate (FR15)
Finish: Frame and leaf: Standard shop applied zinc based primer, ready for site painting (P3)
Ironmongery: Leaf fitted with 3-way shoot bolt mechanism, handle set and rose plates.
2 no. hook and ride hinges and central hinge keep per leaf. Passive leaf
on a double leaf doorset is fitted with either face fixed tower bolts top and
bottom or 2-way shoot bolts
Certification: Independent blast test at BRE Cardington TCR 112/95


DBD Durasteel Blast Doors

Dimensional Details Ref Single Leaf Doorset Example Calculation Double Leaf Doorset Example Calculation
Structural opening width A A 900mm A 900mm
Structural opening height B B 2100mm B 2100mm
Overall frame width C (A-8=C) 892mm (A-8=C) 1792mm
Overall frame height D (B-6=D) 2094mm (B-6=D) 2094mm
Door leaf width E (A-113=E) 787mm (A-120)/2=E) 840mm
Door leaf height F (B-79=F) 2021mm (B-79=F) 2021mm

Note: Calculations based on standard specification




Share/Like this page

Accreditations & Affiliations

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.

Question 1/5

Type of system required?

Question 2/5

Fire rating required?

Question 3/5

Fire integrity-only or integrity and insulation?

Question 4/5

Fire attack risk from one side or both sides of the system?

Question 5/5

Blast rating required in addition to fire rating?

Creating your results page

Thanks for completing the SpecUp, you’ll be redirected to your results shortly.

Click here if you aren't redirected after a few seconds

Start your project

Tell us about your project. Please complete this form. One of our sales team will come back to you with more details. If you prefer, you can drop us an email.

    Project details

    Attach any files that may assist us with your enquiry (specs, drawings, bill of quantities, etc.)

    Acceptable file types are .pdf, .jpg, .dwg, .xls, .xlsx, .doc, .docx, .zip and .rar up to a maximum of 15mb. For files larger than this, please use the external file upload link below.