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.

DD240 Durasteel 4 Hour Sliding Doors

Quick Quote

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

Home Technical Data Fire Doors DD240 Durasteel 4 Hour Sliding Doors

DD240 Durasteel 4 Hour Sliding Doors

Standard Specification
Leaf: Overall Thickness: 28mm
Material: 9.5mm thick DURASTEEL® sheet
Jointing construction: Mitred and welded
Frame: Overall frame depth: 80mm
Material: 80 x 40 x 80 x 6mm thick Z-section
Jointing: Mitred and welding joints
Type and configuration: Single rebate/3-sided frame
Threshold plate: Not as standard
Finish: Frame and leaf: Standard shop applied zinc based primer, ready for site painting (P3)
Ironmongery: Heavy duty mild steel track and rollers recessed handle and bottom guide rollers.
Standard weight counterbalance system and thermo-fusible link
Certification: BS 476: Part 22: 1987

dd240 Durasteel fireproof slider door

Dimensional Details Ref Doorset Single Leaf Example Calculation
Structural opening width A A 920mm
Structural opening height B B 2100mm
Door leaf width C (A + 340 = C) 1260mm
Door leaf leading edge height D (B + 212 = D) 2312mm
Door leaf trailing edge height E (C/30 + D = E) 2354mm
Frame leading edge height F (B + 272 = F) 2372mm
Frame trailing edge height G (H/30 + F = G) 2451mm
Frame Length H ((2 x A) + 536 = H) 2376mm

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.