Special Products

Single Door Frame (SDF)

Precision-formed steel door-frame profiles for repeatable fit and durable installation.

Relevant standardMade to approved specifications
Single Door Frame (SDF) ISKCO · Special Products
Product Overview

Made for dependable fabrication and service.

Precision-formed steel door-frame profiles for repeatable fit and durable installation. Product supply is confirmed against the required grade, size, thickness, finish and quantity.

Specification note

Applicable standards vary by product size, grade, finish and intended use. Please confirm the exact technical requirement with our team before ordering.

Key Features
  • Consistent formed profile
  • Installation ready
  • Durable steel construction
  • Repeatable dimensions
Applications
  • Residential doors
  • Commercial buildings
  • Institutional projects
  • Modular construction
How quality is built

From material to final check.

Relevant process and test steps are applied according to the product specification and finish.

01

Raw Material / Billet

Approved raw material begins the production cycle.

08

Tube Mill

Forming and ERW welding create the tube profile.

10

Degreasing

Surface contaminants are removed before coating.

13

Hot Dip Galvanizing

Steel is immersed for a protective zinc coating.

16

Finishing & Packaging

Final checks, marking and secure packing prepare dispatch.

See the complete manufacturing flow