Timber Joist Support for Framing, Decks & Construction

Measure the joist before choosing the hanger. Hobson Joist Hangers provide formed metal support for suitable timber connections, with selected sizes designed around common joist widths & depths used across Australian building, framing, decking & outdoor construction.

Hobson offers Z275 galvanised & 316 stainless steel joist hangers, giving builders, carpenters, deck installers & maintenance teams options across different material specifications. Verified sizes span selected 35 mm, 45 mm & 50 mm joist widths with 90 mm, 120 mm, 140 mm & 190 mm depth configurations available across the wider range.

Preparing the surrounding timber connection at the same time? Explore  Structural Fasteners & Bolts for related structural hardware, Screws & Anchors for additional fixing requirements or  Measuring & Leveling Tools for accurate framing set-out & installation checks.

► Formed joist hangers for suitable timber connections
► Z275 galvanised configurations
► 316 stainless steel configurations
► Selected 35 mm, 45 mm & 50 mm widths
► Multiple hanger depths across the wider range
► Pre-punched fixing positions
► Options for framing, decking & suitable timber construction

Matching the hanger to the actual timber dimensions creates a better starting point for accurate positioning, fastening & completion of the connection.

What Are Hobson Joist Hangers?

Where a joist terminates against another timber member, a joist hanger provides a formed metal connection around the end of the joist. The hanger creates a seat for the timber while its side sections provide fixing positions for securing the assembly according to the specified connection detail.

Hobson Joist Hangers are manufactured in dimensions corresponding with selected timber sizes. A product identified as 45 x 140, for example, belongs to a different dimensional configuration from a 50 x 190 hanger.

Two material specifications feature prominently across the range. Z275 galvanised steel covers selected joist hanger sizes while 316 stainless steel provides another option where that material specification is appropriate.

Pre-punched holes provide defined fixing positions through the hanger. The exact fastener type, quantity & installation arrangement should follow the current product information & applicable construction detail rather than being assumed from the number of visible holes.

For purchasing, the actual timber dimensions provide a much better starting point than asking for a generic “large” or “heavy-duty” joist hanger.

Why Choose Hobson Joist Hangers?

Correct fit removes uncertainty before fastening begins. A hanger selected around the joist dimensions gives the installer a purpose-made connector rather than requiring a generic bracket to be adapted around the timber.

Material choice provides another important distinction. Hobson's galvanised & 316 stainless options allow the hanger specification to be considered alongside exposure conditions, adjoining hardware, timber treatment & project requirements.

Repeated framing connections also benefit from consistent hardware. Once the appropriate hanger has been identified, installers can reproduce the specified connection across equivalent joists without fabricating individual brackets on site.

Pre-punched fixing positions simplify preparation but don't replace correct fastener selection. The hanger, timber & connector fixings need to function as parts of the same connection.

For trade buyers ordering an entire project, separating joist hangers by width, depth & material can make site distribution, stock checks & replenishment considerably easier.

Common Applications

Floor Joist Connections

Floor framing can involve dozens of repeated joist ends, making consistent connector selection particularly valuable.

Hobson Joist Hangers can support suitable timber joist connections where the construction detail calls for a formed hanger.

Accurate positioning helps establish the intended joist location before the specified fixings are completed.

Check timber dimensions across the project before ordering larger quantities because a general framing description doesn't identify the complete hanger size required.

Deck Framing

A finished deck showcases the boards while the joist structure beneath provides the supporting framework.

Joist hangers can form part of suitable deck framing where joists terminate into bearers, ledgers or other supporting timber members according to the project design.

Outdoor construction also makes material selection important. Consider exposure conditions, treated timber, adjoining fasteners & project requirements when choosing between available hanger specifications.

Once the supporting frame is ready, Hobson | Deck Claw provides a concealed deck-board fixing option for compatible timber & composite decking.

Pergolas & Outdoor Timber Structures

Open timber structures can leave connection hardware exposed to conditions that enclosed framing may never experience.

Pergolas, covered outdoor areas & similar timber projects may use joist hangers where suitable horizontal members terminate into supporting timber.

Assess environmental exposure before selecting connector material & associated fasteners.

Where framing remains visible, accurate hanger positioning can also contribute to a cleaner finished structure.

Renovations & Extensions

Existing buildings rarely present framing as neatly as a new stack of timber.

Extensions, alterations & repair work can require joist connections alongside established framing where dimensions may differ from the new material being introduced.

Measure existing members directly before ordering replacement or additional hangers.

Timber condition deserves attention as well. A new metal connector shouldn't be treated as a substitute for addressing damaged, deteriorated or otherwise unsuitable structural timber.

Repeated Framing Connections

Efficiency improves when crews aren't stopping to identify hardware at every joist.

Projects using repeated timber dimensions can benefit from organising compatible hangers & fixings into installation batches.

Confirm the first connection against the required detail then maintain the same positioning method across equivalent locations.

For drilling & installation preparation,  Drill Accessories provides a useful supporting category for framing crews.

Timber Maintenance & Replacement Work

Not every joist-hanger purchase begins with new construction.

Maintenance teams may need to identify existing connector dimensions when repairing or replacing parts of a timber structure.

Record joist width, hanger depth, connector material & surrounding fasteners before removing existing hardware where practical.

Those details provide a much stronger basis for replacement selection than trying to match an old hanger from appearance alone.

Product Selection Guide

Measure Joist Width First

The first measurement quickly removes unsuitable hanger sizes from consideration.

Verified Hobson configurations include hangers for selected 35 mm, 45 mm & 50 mm timber widths.

Measure the joist at the connection location & compare it with the specified hanger dimensions.

Avoid choosing an oversized hanger simply because the timber can physically sit inside it.

Check the Required Hanger Depth

Matching the width doesn't complete the selection.

Across Hobson's wider range, selected hanger configurations include depths such as 90 mm, 120 mm, 140 mm & 190 mm.

Availability differs between widths & materials, so confirm the complete product dimensions rather than assuming every width is offered in every depth.

A 45 x 90 hanger & a 45 x 190 hanger share the same nominal width but represent distinctly different configurations.

Choose the Material Specification

Location & exposure can change what the connection requires.

Hobson provides selected joist hangers in Z275 galvanised steel & selected configurations in 316 stainless steel.

Consider the project specification, exposure conditions, timber treatment, adjoining materials & required corrosion resistance before selecting.

Where construction documentation nominates a particular connector material, maintain that requirement rather than substituting another finish because the dimensions happen to match.

Match the Supporting Fasteners

A correctly sized hanger still needs the specified fixings to complete the connection.

Check the current Hobson product information & project requirements for the fastener type, dimensions, material & fixing pattern required.

Avoid assuming every punched hole should receive whichever nail or screw happens to fit through it.

Where the wider timber assembly also includes bolted joints, Nuts & Washers provides complementary hardware for those specified connections.

For broader fastening requirements across the project, browse Bolts & Fasteners.

Check Timber Condition

Sound hardware needs suitable timber around it.

Inspect joist ends & supporting members for splitting, deterioration, damage or other conditions that could affect the connection.

Existing structures deserve particular attention because problems may only become visible after old hardware or surrounding material is removed.

Where structural condition is uncertain, have the connection appropriately assessed before proceeding.

Calculate Quantity From the Framing Layout

Counting actual connection points is more reliable than estimating hangers from floor area.

Review the framing plan & identify each location requiring the specified hanger.

Allow for different joist sizes or connection details within the same structure rather than assuming one hanger configuration covers the entire project.

Separating quantities by width, depth & material also makes ordering & site allocation easier.

Which Hobson Joist Hanger Do You Need?

Three specifications narrow the choice quickly: timber width, hanger depth & material.

Treat the complete size description as the product identity. Matching the width while overlooking the depth can still leave the wrong hanger on site.

Galvanised vs 316 Stainless Hobson Joist Hangers

The same timber dimensions don't automatically mean the same material specification.

Material selection should reflect the complete connection, surrounding environment & project requirements rather than relying on the words “galvanised” or “stainless” alone.

Expert Tips for Joist Hanger Installation

Test the First Connection Before Repeating It

One carefully prepared connection can become the reference for every equivalent joist that follows.

Position the first hanger against the required layout & check its fit, height & orientation before completing an entire run.

Any dimensional or set-out problem is easier to correct at one connection than after multiple hangers have already been fixed.

Support the Joist During Assembly

Stable timber is easier to position accurately.

Support the joist appropriately during installation so it can be seated & aligned without uncontrolled movement.

Once its position is confirmed, complete the fastening sequence according to the applicable connection requirements.

Establish Height From a Consistent Reference

Small positioning differences can become obvious across a long run of joists.

Use the appropriate set-out method to maintain the required level or alignment across repeated connections.

Levels, lines & measured reference points can help installers reproduce the intended position instead of measuring every hanger independently from a changing surface.

Stage Hangers With Their Correct Fasteners

The right hanger without the required fixings still leaves the framing crew waiting.

Prepare connectors & compatible fasteners together when organising materials for each framing section.

This also reduces the temptation to substitute unsuitable screws or nails when the specified hardware isn't immediately available.

Watch for Changes in Timber Dimensions

Renovations, extensions & complex frames can contain more than one joist size within a surprisingly small area.

Check transitions, altered framing & additions carefully before ordering.

Label different hanger configurations once they arrive on site so crews don't need to rely on subtle visual differences between similar connectors.

Don't Reshape a Hanger to Correct Poor Fit

A connector that doesn't fit as specified should trigger another measurement.

Recheck the timber dimensions, hanger size & connection requirements rather than cutting, opening or reshaping the component to force installation.

Using the appropriate size preserves the product configuration intended for the connection.

Inspect Connections While Access Is Clear

The best opportunity to review a joist hanger is before flooring, decking or linings conceal it.

Check joist seating, hanger position, specified fasteners & surrounding timber condition while the entire assembly remains visible.

Where project documentation requires installation records, photographs can also capture concealed connection details before the next construction stage begins.

More From The Black Print

Good framing starts before the first connector reaches the timber. These practical reads extend that preparation into tools, site organisation & everyday trade work.

► Spring Jobsite Prep Getting Your Gear Ready – organise tools, hardware & consumables before project demand increases
► The Apprentice's First Tool Kit: What You Actually Need – build a practical everyday kit around the work trades encounter on site
► The Jobsite Doesn't Forgive. We Do. – practical perspective on equipment, support & keeping work moving when site conditions change