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Tech Tips

Find all of your technical information needs for using Studco building systems

Measuring up for EZYJamb EZC and SRC

A lot of you are familiar with our tried and true EZY Jamb system and have ordered these plenty of times. With the introduction of EZY Jamb SRC, we thought it would be a great time to refresh your minds and take the opportunity to point out the differences between setting up the frame openings for both products.

 measuring up for EZC


measuring up for SRC
For more information about EZY Jamb EZC or SRC, contact us at or call 1300 255 255
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How to fit a concealed hinge in an EZYJamb.

How to fit a concealed hinge in an EZYJamb.

If you are looking for uninterrupted lines around internal doors for the ultimate square set interior, Rocyork concealed door hinges offer both functional and aesthetic advantages.

Providing a fully adjustable patented 3D alignment system, the invisible hinge comes with a super strong rating to suit your door capacity.

The maintenance free bearing mechanism and absence of visible barrels or pins ensures durability.

The versatility of this hinge is evident with its 3 axis of adjustment, allowing the hinge to be adjusted in three directions to align door margins

Features and benefits:

• No visible barrel or pin

• Maintenance free bearing mechanism

• Aesthetically pleasing hinge covers.


EZYJamb Installation

Rocyork Concealed Hinges

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Noggins in curved steel stud walls

The purpose of a noggin in a steel stud wall is to provide support and to prevent twisting of the studs during the installation of lining board. The installation of standard steel noggins presents an issue when constructing a curved wall as the noggin sections are not flexible. Studco has a solution, Studco steel strap product can be used in place of the steel noggins.


Once the curved wall has been constructed and studs have been fixed off, mark the required centreline for the noggin line. Then starting at the first stud simply weave through each stud fixing through the steel strap into the face of each stud. Ensure the steel strap is pulled firm before moving onto the next fixing point. Refer to Fig. 1.

Studco Steel Stud Walls  Studco Steel Stud Walls

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Building Curved Walls

Curved walls add a stunning perspective to the interior of modern buildings. Constructing a curved wall requires considerable skill and forethought and is dependent on a number of variable factors.

For track sections, use Studco Ezy-Track, a unique flexible track system that allows you to create simple radius corners or combination curves. Once you have curved the track to the desired shape, 'lock' the track using a self-drill screw through the sliding strap into the track segments. Studco Ezy-Track can also be used in deflection situations. Ensure that a suitable anchor or fixing is placed in the track at the location of each stud.

Studco Ezy-Track Wall Systems

 Studco Ezy-Track is available in 51mm, 64mm, 76mm, 92mm and 150mm wide and the minimum curving radius is 180mm for all sizes.


 Use Studco lipped steel studs at the centres specified below, fixing the studs to the track (where applicable) through the sliding strap using self-drill screws.


Application of the plasterboard to the wall framing may require preparation such as water spraying or sponge soaking, to aid with curvature of the lining board material. Any such preparation should be done on the compression side of the plasterboard and strictly in accordance with the lining board manufacturers specifications.


For architectural specications or installation advice, please contact Studco Building Systems for fast, friendly service at or call 1800 STUDCO.

Studco Wall Building Systems

Studco Wall Building Systems


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Is EZYJamb code compliant for use in toilets and bathrooms?

...Yes. EZYJamb can be easily adapted for use with removable or “lift-off” doors as required for code compliance when installed in bathrooms or toilets.


As stated in NCC (BCA) 2011 F2.5 (b), “The door to a fully enclosed sanitary compartment must…be readily removable from the outside…”
This criteria can be met by installing an EZYJamb with Lift-off hinges and the special Lift-off Channel for the header which creates a deep rebate that conceals the service gap above the door.


Features & Benefits

  • In areas such as toilets and bathrooms where doors must be removable in case of emergencies, EZYJambs are ideal and code compliant.
  • The hinges allow for removal of a hinged door without having to unscrew the hinges.
  • Lift-off EZYJamb hinges are finished with stainless steel for a look with class and style.
  • Easy to fit and time saving.
  • Recommended for internal use.
  • Lift-off Hinges are available in both left and right handing.

Lift-off Hinges

When ordering be aware that Lift-off hinges are usually left and right handed and that the part with the pin is attached to the frame, pointing up.

EZYJamb Lift Off Hinges


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How to back block plasterboard joints

STUDCO B005 Butt Joint Batten has been developed with the plasterboard industry and provides a consistent recess shape for the finishing of joins when installed as per the plasterboard manufacturer's recommendation. Use STUDCO B005 for a faster, more cost-effective joint with greater strength.


Back-blocking is a joint reinforcing system where STUDCO B005 back blocking battens are screwed behind the sheets, at certain joints. Back-blocking is an important safety measure, to reinforce certain joints which often undergo additional stresses and are therefore more vulnerable to cracking. These stresses can be caused by many reasons, including subsequent building movement or by abnormal loadings such as heavy traffic beside the wall, or trades people moving about in the ceiling spaces. The consequential cracking of the finished jointing often requires a call-out for warranty repair, which is an avoidable and unwanted additional cost to the installer/builder.


Back blocking is recommended by all plasterboard manufacturers. The Australian and New Zealand Standard 2589.1 has a minimum requirement that B005's should be used for all butt joints and in any area with 3 or more recessed joints. The decision as to back blocking of all joints not just the minimum requirement in the Standard is best made by the builder after consideration of factors such as:

  • Moisture content of timber
  • Maintenance history for similar installations
  • Type of roof framing and timber used
  • Severity of temperature and humidity conditions to which the installation will be subjected

Back Block Plasterboard Joints

Butt joints which are to be back-blocked must be formed midway between framing members.

Where mid-span butt or end joints are not required but are used to minimise plasterboard wastage, these joints must also be back-blocked. All mid-span joints must be positioned within 50mm of the mid-span point between the framing members.

 Back Block Plasterboard Joints
For architectural specications or installation advice, please contact Studco Building Systems for fast, friendly service at or call 1800 STUDCO.
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How to reduce construction time with Studco nogging brackets

Some types of buildings require extensive use of timber noggings in steel stud walls, such as hospitals, aged care facilities, hotels and schools. The reason why architects specify timber noggings is to provide a suitable fixing point for wall-mounted fixtures that are installed after the plastering process is complete.

Such fixtures include hand rails, wall-mounted cupboards and shelving, and plumbing fittings. Traditional fixing methods for timber noggings in steel stud walls include cutting each length exactly to size to go between the studs, notching the timber to go over the stud lip and using packing materials to get the front edge of the noggings to come flush with the face of the wall studs. All these processes are labour-intensive and require skilled workmanship to accomplish.


The range of Studco nogging brackets de-skills the process and provides a high-strength fixing in a fraction of the time. Nogging brackets are fixed to the flange of the wall stud and the timber nogging is then screw fixed through the rear of the bracket, providing a strong and secure fixing point for all types of fixtures and fittings.


The versatility of the Studco nogging brackets is unmatched by any other product, with many benefits available to the site installer…

  • Wide fixing flange to allow for variations to timber length
  • Suitable for 18mm plywood and 35mm pine studs
  • Pre-punched for fast, easy fixing
  • Made from Bluescope Z275 galvanised steel
  • Ultra-slim design to minimize plasterboard disturbance
  • Long runs of noggings accomplished quickly with 'intermediate' bracket with two flanges

For architectural specications or installation advice, please contact Studco Building Systems for fast, friendly service at or call 1800 STUDCO.

{gallery}nogging brackets:170:170:0:2{/gallery}

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How to brace a Steel Stud wall

Occasionally, walls need to be diagonally braced between the steel studs and the structure, most commonly above the ceiling height. Typically, steel stud offcuts are used for the bracing.

The bracing studs are screwed to the wall studs with a number of structural tek screws. Typically, connections often require three or four tek screws (self drill screws) per connection. At the connection with the structure, various fixing methods have been employed by site contractors but not all methods comply with the minimum strength requirements for this type of connection.

The correct method for fixing the bracing stud to the structure is to use an engineered metal bracket that is capable of handling extreme loads, to make a firm and secure connection. However, the angle of the bracing stud and the size of the bracket often limits the number of screws that can be applied to the joint, thus greatly limiting the effective strength of the connection.

Enter the optimum solution: the new Studco M104 connector.

The Studco M104 connector is designed for use in wall bracing applications and it boasts a large variety of holes sizes and locations to ensure that the bracing stud intersects with a minimum of four location holes on the connector bracket at all times. This also enables installation of bracing studs between 15° and 60° from the vertical plane.

The connection bracket can be fixed to the structure using a dynabolt (for concrete structures) or a bolt and nut combination (for steel structures) or structural screws (for timber structures).

Typical applications for wall bracing in steel stud walls include

  • External steel stud walls, subject to high wind pressures
  • High internal walls that require additional support
  • Internal steel stud walls with heavy lining or objects fixed to one side
  • Suspended bulkheads and ceiling features
  • Internal infill walls over aluminium partitions or shopfronts

The Studco M104 connector bracket is made in Australia from BlueScope galvanised steel and it's engineered to perform in all internal and external wall bracing applications.

 Studco Metal Building Systems

 It's important to note that the actual requirements of the bracing stud are determined by an engineer, as different applications call for different profiles sizes and spacing. To contact an engineer about bracing steel stud walls, email us at or call 1800 STUDCO.

 Studco Steel Stud Wall Bracing Studco Steel Stud Wall System


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How To Build A Lightweight Steel Lintel

Many openings for windows and doors require special design consideration to ensure that the weight of the wall above the opening is suitably catered for and to ensure that any pressure (wind force) applied to the opening will not compromise the structural integrity of the opening (see Figure 1).

The most common method of strengthening an opening is to install a substantial lintel. Most engineers would simply state that a structural lintel is required for the opening but a standard heavy-duty lintel poses a considerable problem when used in steel stud walls... “How do I connect the lintel to the jamb studs?”

The answer is simple: by ignoring structural steel options and looking at some lightweight systems that have been engineered and tested for compliance (see Figure 2). But more on this later.

“Right now, I need to know when should I use a lintel?”

You can apply a couple of basic rules to check whether you need to ‘beef up’ your opening...

Is the opening on an external wall?

Is the opening inside but subject to considerable wind forces from outside?

Is the opening wider than 1.6 metres?

Is the wall height above the opening greater than the opening itself?

Is the lining material heavy or multi-layered?

Is the opening in a chase wall or a wall lined on one side only?

If you have answered yes to any of these questions, then you can be sure that your opening needs a lintel system of some sort.

The question that is commonly asked next is: why? “Why do I need to have some heavy beam at the top of an opening? Why can’t I get away with just running a piece of standard track across the top?”

Lintels serve multiple purposes in any given installation and some of those purposes are as follows…

Horizontal load - to withstand a load being applied against the opening, such as wind pressure or the opening being accidentally hit with an object passing through the opening. A hospital with trolleys being rushed in and out of rooms is a good example.

Vertical load - to carry the weight of the wall system located above the opening. A recent installation that we saw had a small doorway in a 8.0 metre high wall that had feature lining weighing nearly 100kg/m2. Imagine the downward force above the doorway!

Spread the load - to evenly distribute both the horizontal load and the vertical load to the jamb studs. The load can’t go down to the floor, like normal, so it has to go somewhere.

Openings in walls tend to get a lot more abuse than the rest of the wall: objects knock them, people collide with them, doors slam against them. All this extra wear and tear points up the need for a more robust wall design around openings. Hence, the use of an engineered lintel system.

Lintels are commonly used in conjunction with a sill (like a lintel at the base of the opening, such as a window opening) and jamb studs (the studs on either side of the opening). The design of the sill and of the jamb studs also needs to be taken into consideration (see Figure 3).

Most contractors don’t realize the importance of a lintel system and how the whole wall’s integrity may rely on the inclusion of the correct lintel. Indeed, most openings are only thought about five minutes before you start framing it. This poses a question about how contractors can incorporate the correct lintel system into the wall without having to have it specifically engineered, without having to order in special sections and without throwing the project timeline into disarray.

The two most practical ways that openings can be framed into lightweight steel walls are (a) to use a combination of standard steel studs and tracks in such a way that it creates a structurally sound section, or (b) to use a lightweight structural member that is specifically designed for the application.

Firstly, let’s look at how we can use standard stud and track products to create an opening. In most instances, single sections of stud and track cannot be used as lintels, sills or jambs. For example, a single piece of standard track is relatively flexible and light, and with a constant applied pressure, it may catastrophically fail in some way, thus making it unsuitable for use as a lintel or sill in high load applications (see Figure 4). Many unsuspecting contractors get caught using standard metal sections for openings, assuming that normal building practises can be used when framing openings into lightweight steel walls.

So to create a suitable lintel, sill or jamb that has structural integrity, you need to use a combination of several standard stud and track sections (see Figure 5)

For example, a suitable lintel may be constructed using two steel studs, two deflection tracks and two standard tracks: six sections in total, fixed together with screws at 300mm spacings (see Figure 6a). This section offers considerable strength and rigidity and in some instances, can span up to more than 5 metres. For jamb studs, a common combination to use is two steel studs and two deflection tracks: four sections in total, fixed together with screws at 300mm spacings (see Figure 6b). Sills are generally lighter sections and may consist of two deflection tracks fixed back to back (see Figure 6c).

Another consideration is the way the lintel, sill and jambs are fixed to each other and how they are connected to the top and bottom tracks of the wall. In many instances, simply screwing the intersections together is insufficient at likely to fail. There are connection brackets available that are specifically designed to connect steel studs to track sections and that have been tested to take high loads. These brackets are readily available and easy to install.

Using this construction method, it’s possible to fabricate extremely strong lintels and jambs from materials that are possibly already on site, allowing the framing contractor to simply address each opening quickly and easily as they get to it. Many framing contractors in Australia already use this method and it has proven to be a simple yet adequately strong solution to creating openings in walls.

Using this technique is an approved way of making your wall opening code compliant with the latest BCA, NCC and Australian Standards guidelines.

The alternative method for framing wall openings is to use a steel section that is designed for efficient framing of openings, such as the Studco HEDA System. Such systems use a heavy C-section profile that is larger than a standard wall stud and can span much greater distances when used as either a jamb or a lintel (see Figure 7). These sections are designed to fit into a standard 92mm track section, allowing them to fully integrate into a steel stud wall structure without any major modifications. Large internal openings, such as long windows, may adopt the use of such a system and external openings of all shapes and sizes can be framed quickly using these sections (see Figure 8). Connection brackets are used for making a rigid connection at the various intersections.

To ascertain the correct combination of studs and tracks for lintels, sills and jambs, or to determine which heavy duty section to use, it is essential to always engage a structural engineer in advance. An engineering service that was recently introduced by Studco to assist the wall and ceiling industry uses a simple, interactive form where you can fill out with the details of your opening requirements and fax or email it off. The necessary engineering documents will then be sent back to you, ready for implementation and installation on site.

To sum up, wall openings are a vital part to the whole building’s structural integrity and it is of utmost importance that they are framed correctly. This article serves to highlight the fact, to give contractors a basic understanding the technical background of wall openings and to provide some practical solutions.

Contact Studco Technical Services

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Installing Internal Jamb Studs In Deflection Situations

When constructing an internal wall, it is necessary to consider the amount deflection (dynamic lateral movement) that will be present in the structure.

Hence the reason why we use deflection track at the top of many walls and why studs are not screwed off to the top track.

This allows the core structure to move without producing stress cracks in the lining board joints.

When it comes to an internal doorway, the deflection requirements of the jamb studs are no different to the rest of the wall: the jamb studs must not be direct fixed to the top track. Installers often overlook this point and simply screw the jamb studs to ensure a rigid connection for fixing the jamb stiles. Structure deflection does not magically disappear at a doorway. In some recent projects where jamb studs were direct fixed, cracking occurred almost instantly and irritating noise was produced by the friction created by the screwed joint. Needless to say, on a fully occupied 30 storey apartment block, rectification works were difficult and costly.

The correct method for fixing jamb studs in deflection situations is to use Studco M100 angle bracket. The bracket is fixed through the top track using a masonry anchor, providing a rigid and sturdy fixing point. Then, by screwing through the two slots provided on the bracket to the pan of the stud, the stud is held firmly in place, with no axial or longitudinal movement but with the ability to ‘float’ as the core structure deflects. Do not fully tighten the screws, to allow the stud to slide, and ensure that jamb studs are always boxed.

Do it right, do it once. Using the correct method only takes marginally longer to install and it’ll save you a heap when you don’t get called back for defects.

 Studco Steel Stud Wall Systems

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Excessive Stud Cut-Outs Greatly Reduces Wall Integrity

 All trades on building sites need to be aware of the critical effect excessive cut-outs have on the integrity of the studs and the strength of the overall wall structure.

On a recent project, the carpenters correctly installed the internal walls, the plasterers lined one side and then they left it to the plumbers and electricians. On returning to finish lining the walls, the plasterer was shocked to find massive cut-outs with only small pipes running through them. Some penetrations had the entire pan width missing from the stud, to the point where the flanges were buckling under the weight of the lining board! Such excessive remove a material effectively removes all the structural properties of the stud. Unscrupulous operators carrying out sloppy work practices are highly dangerous. And they are mostly poor too, because the rectification costs were high and their relationship with the builder has soured. Follow these few simple guidelines to ensure your workmanship will be backed up by Studco…

  • Never, never, never cut through the flange of a stud
  • Never remove the entire pan width of a stud
  • Keep cut-outs at least 20mm away from the stud flanges
  • Use the “W/3W” rule in the diagram at right
  • The maximum cut-out in a 150mm stud is 50mm wide
  • Work with the other trades on-site to co-ordinate placement of studs so everyone’s job is made easier
  • Cut-outs should be in the middle third of the stud
  • If you accidentally exceed these guidelines, tell the carpenter and ask him to replace the stud

Should you have a special requirement for cut-outs, please contact Studco’s engineers to discuss your needs

Studco Steel Stud Framing System


Steel Stud Cut Outs

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External Soffit Ceilings: The Correct Installation Method

We regularly hear reports of incorrect installations of external soffit ceilings, where practices deemed as acceptable for internal ceilings have been used to install ceilings that are clearly external.

An external soffit ceiling is any ceiling built outdoors or subject to external wind pressures, such as a verandah on a multi-storey apartment, a covered walkway or a wet-weather shelter at a sports pavilion. Ceilings installed in these circumstances will experience considerable uplift or upward wind pressure, much greater than that experienced indoors, and if the standard adjustable spring hanger brackets are used (Studco M520 or M534), there is a risk that the ceiling system will move up and down on the hanging rod, causing the system to be weakened and damaged.

A basic rule of thumb for external soffit ceilings is that no adjustable mechanisms can be used: all parts of the ceiling system must be securely fastened by means of screws or bolt/nut combination. To achieve this, the system must be suspended from the substrate with a downstrut, such as a length of steel stud or top cross rail (see Figure 1). This eliminates any possible upward or downward movement of the ceiling system. Alternatively, you can use a threaded rod which is locked off with two nuts and the Studco M24 bracket (see Figure 2). For fixing spacings, refer to the table (below right). The maximum uplift pressure suitable for each installation must be determined by the project engineer and all ensure that the engineer agrees with your interpretation of this table prior to installation. Some installations may require a variation to these spacings, depending on the building type, location and other limiting influences.


                                                           SPACINGS            UPLIFT PRESSURE


1200 1200 0.98 


1200  1.31 
900  900 


900 600


600 600 7.86

1. Servicability limit state deflection rateio L/250.
2. If TCR spacings = 1200mm, Studco M29 furring channel to be installed at 600mm centres. If TCR spacings = 900mm or less, Studco M29 furring channel to be installed at 450mm centres.
3. Fastener connections to be in accordance with fastener manufacturers specifications.

 Studco Ceiling Systems Studco Ceiling Systems  


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Internal Doors & Windows Made Simple

When installing doorways and windows in internal steel studs walls, special consideration is needed to ensure these openings do not ‘disrupt’ the integrity of the wall. Insufficient structure around the opening may cause failure in the wall in its static form or due to excessive impact after installation.

  • Always use Studco deflection track at the top and bottom of all openings.
  • All doorways wider than 1000mm and all window opening greater than 1200mm wide need to be engineered by a qualified person. The risk is that wide openings can cause the track section at the top opening to collapse.
  • Any opening where the lined area above the opening is greater in square metres than the opening itself must be engineered. Excessive weight above the opening may result in buckling of the jamb studs and failure of the entire wall.
  • Always use boxed (or back to back) studs on both sides of the opening. In some instances, the engineer may specify three or more studs on each side.
  • For in high traffic areas, such as hospitals, public foyers and schools, the Studco M100 or M103 bracket should be installed at the base to minimise deflection if the jamb stud is impacted by passing traffic. 
  • When jamb studs are installed in a concrete structure, use Studco’s M100 or M103 bracket at the top.
  • If the wall above and around the opening lined with architectural panels or brittle substrates, ensure your design is checked by an engineer first.

Studco Internal Wall Systems

Jamb studs must be boxed or back to back.

Use deflection track top & bottom and fix to jamb studs.

Use Studco M100 or M103 bracket at each intersection.

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Using The Studco M100 Bracket In Staggered Stud Walls

Wall installations requiring acoustic isolation are often built as staggered stud walls, where the top and bottom track is a larger size than the stud size and the studs are placed on either side of the track at staggered centres (see Fig. 1). 

The most common combination is 92mm track and 64mm stud. This combination is relatively simple to work with, as most installers use a small section of Studco M40 wall track to space out the back of the stud (see Fig.2).

This method becomes an issue when installing a staggered stud wall in a deflection situation, as the stud is fixed in position and the lateral stud movement is effectively stopped. The Studco M126 staggered stud wall clip can be used for deflection situations, but only where un-hemmed track is used.

Another issue is when different size studs and tracks are specified, such as 150mm track and 76mm studs. All alternative combinations render the M40 wall track fixing method useless.

The Studco M100 bracket can be used as a secure and simple fixing method for deflecting staggered stud walls of any stud/track combination (see Fig.3). The M100 bracket is fixed through the track into the concrete substrate and then the stud is screw fixed to the bracket through the slotted holes in the M100 bracket. This will allow the stud to move freely when necessary but it hold firm otherwise. 

The low-cost Studco M100 bracket is readily available through Studco’s national distribution network.

 Studco M100 bracket in staggered stud wallUsing the Studco M100 bracket in staggered stud walls works for virtually every stud/track combination, without limiting the deflection requirements of the wall.

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