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steel-beams

Why Has a Single Heavy Beam Been Specified Instead of Two Lighter Ones?

Advice Centre

Posted on March 31, 2026

A single large UC is often specified where two lighter beams might seem the intuitive choice. Here’s the structural reason why — and how to request paired beams if you prefer them.

Tags: atomic, steel-beams

Steel Column Cap Plate Details: Beam Sitting on Top of a Column

Advice Centre

Posted on March 31, 2026

Cap plates allow beams to sit on top of a steel column rather than connecting into its side. Here’s when they’re suitable, how beam pairs work, and what this connection cannot do.

Tags: steel-beams, supporting

Steel Fabrication Specification: What Standard Are Beams Built To?

Advice Centre

Posted on March 31, 2026

All structural steelwork on PorthouseDean projects must be fabricated to the National Structural Steelwork Specification (NSSS). Here’s what that means.

Tags: steel-beams, supporting

What Level Does the Steelwork Need to Be?

Advice Centre

Posted on March 31, 2026

Exact steel beam levels are not set by the structural engineer — they are confirmed by the architect and contractor. Here’s why and what the typical tolerance is.

Tags: atomic, steel-beams

Steelwork Notes and Specifications for Domestic Projects

Advice Centre

Posted on March 31, 2026

The full steelwork specification that applies to all PorthouseDean structural packages — grades, welds, bolts, paint and installation requirements.

Tags: steel-beams, supporting

Steelwork Corrosion Protection: Paint vs Hot-Dip Galvanising

Advice Centre

Posted on March 31, 2026

Choosing between site-applied paint and off-site galvanising for steel corrosion protection depends on the environment. Here’s what each option provides.

Tags: atomic, steel-beams

Timber Joist Connection to the Side of a Steel Beam for a Flush Ceiling

Advice Centre

Posted on March 31, 2026

Where timber joists frame into the side of a steel beam for a flush ceiling finish, timber packers in the web create a robust fixing surface. No structural calcs are typically needed.

Tags: steel-beams, supporting

Downstand vs Flush Ceiling: Which Steel Beam Position Is Right for You?

Advice Centre

Posted on March 31, 2026

Steel beams can be installed so they drop below the ceiling line or sit flush within the floor zone. The structural performance is identical — but the cost, complexity, and finished look are very different.

Tags: steel-beams, supporting

Welded Cover Plate Splice: Joining Beams in Sections

Advice Centre

Posted on March 31, 2026

A welded cover plate splice allows a long beam to be delivered in manageable sections and joined on site. Here’s how it works and what the specification requires.

Tags: atomic, steel-beams

What Are My Options for Connecting Steel Beams?

Advice Centre

Posted on March 31, 2026

An overview of the main steel beam connection types used in domestic structural design — flexible end plates, cap plates, suspended connections and goalpost frames.

Tags: steel-beams, supporting

What Is a Flexible End Plate Splice?

Advice Centre

Posted on March 31, 2026

A flexible end plate splice connects two beam sections at a support point, carrying shear only. It enables shorter beam lengths for easier site handling while maintaining structural continuity.

Tags: atomic, steel-beams

What Level Does the Steel Beam Need to Be Fixed At?

Advice Centre

Posted on March 31, 2026

Structural drawings give indicative beam levels based on architect information. Final beam levels are confirmed by the architect or builder — not set definitively by the structural engineer.

Tags: atomic, steel-beams

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