Spartan Doors

Australia-made blast doors, fire doors, industrial doors, shed doors, metal doors

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Acoustic Door Types and Applications

April 7, 2021 by Matthew Ait

Acoustics

Over the last decade, the importance of acoustics in our home and work environments has become mainstream. Both the benefits and consequences of acoustics are severe, and Governments around the world have introduced regulation to improve people’s psychological and physical well being. High density population areas are now planned and regulated to ensure noise is kept to an acceptable level, improving residents long-term hearing, sleep patterns and overall health. 

A vital part of this increased regulation is acoustic doors, panels and walls. Acoustic doors have become extremely popular because they provide the necessary soundproofing in residential or commercial environments. Noise such as traffic or aeroplanes are major contributors to sound nuisance and can cause a range of physical and psychological concerns for residents. As this article will explain, the level of soundproofing differs based on the Rw rating, material and application. 

What Are Acoustic Doors?

Acoustic doors are specialised products that reduce how many vibrations can escape from one room to another. This is achieved by using various density cores and airtight seals along the door edges to lower how much noise can escape a room. Door finishes include high gloss paint as well as a range of veneers and acoustic vision panels can also be incorporated. Factors that impact the level of soundproofing include how well the edges are sealed, material density and build. This sound insulation capability makes acoustic doors a crucial component of any work or home environment. Acoustic doors can be manufactured and modified to meet a variety of decibel ratings and applications.

acoustic door

Acoustic Door Applications

Acoustic doors are used for the same soundproofing application but to different levels and for a variety of industries. An obvious example is sound recording studios because in that environment sound quality is paramount. Acoustic doors also protect and insulate the studio from unwanted external noises. Other applications include, but are not limited to

    • Education facilities: Acoustic doors are used in classrooms, lecture halls and study areas for schools, universities and TAFE buildings. This is because the doors create a quiet space for students to focus and learn in. 
    • Construction sites and warehouse locations: Acoustic doors are needed to protect the ears of workers and managers as they are constantly surrounded by loud noise for long periods of time. 
    • Broadcasting locations: Like sound recording studios, acoustic doors are required to ensure a high level of sound quality for clear, uninterrupted communication. 
    • Police stations: Law enforcement facilities use acoustic doors for interview rooms as they require privacy and confidentiality between rooms. 
    • Hospitals and healthcare locations: Studies show that sleep is a vital part of patient recovery. Therefore, quiet spaces that allow patients to fall asleep are essential for any healthcare environment. Privacy and discretion are also required in these environments presenting the need for acoustic doors.
    • Residential applications: Because of its soundproofing properties, acoustic doors are often used for home theatre rooms or front and rear doors where traffic or other external sound is constant or excessive. 
    • Workplaces: Acoustic doors are used in workplaces all over the world to create quiet spaces for employees to work productively. Meeting rooms for presentations or private discussions are also perfect for acoustic doors. 
    • Halls and theatres: Concert halls and theatres require sound insulation to maintain a high level of sound quality whilst protecting the inside environment from external noise. 

acoustic door

Acoustic Door Types 

There is a range of acoustic door types however, customers should know that if they require strong soundproofing properties they should be looking at solid core acoustic doors. Common acoustic door finishes include MDF, primed MDF, HMR XP, plywood, custom veneers and steel cladding. Other common materials include galvanised steel, laminated steel and sheet metals. Acoustic doors are available in the traditional door suite, with a vermiculite core being the most popular core.

acoustic door

Sound Ratings 

Different applications require different levels of soundproofing. To help with this, sound rating systems have been created to help professionals and customers know what rated acoustic door they need. The sound rating system for acoustics is slightly complicated, as there are two different rating systems used within the industry. The first is the STC rating or ‘Sound Transmission Class’ and it is used predominately in America. The higher the STC rating the better it is at reducing sound by lowering the frequency and decibels. For example, glass rates as 20 and a standard wall rates in the 30s, while high quality sound insulation systems can reach up to 50 on the STC rating. However, customers should be aware that this system doesn’t measure low frequencies well so they should use the other system for less powerful sound insulation applications.

The next sound rating system is Rw, or the Weighted Sound Reduction Index. This system is the most popular and is ISO rated. The Rw ratings are similar to the STC rating because both systems follow similar testing methods. It measures the effectiveness of soundproofing products such as a door, material or a complete system. If the Rw increases by one this means that the decibel noise level decreases by one, meaning the higher an Rw number is, the more effective it is at insulating noise. For example, an acoustic door with an Rw 39 is far better at soundproofing than an Rw 31 door. 

Unlike the STC ratings, Rw measures a wider frequency range including lower frequencies. Within the acoustic industry, most professionals prefer the Rw system because it is measurable to the decibel scale. For example, an Rw 30 rating means a person can expect the noise to be reduced by 30 decibels. Rw ratings can range from 25 to 53. For reference, Rw 25 – 27 equates to normal speech being understood clearly through a wall, while Rw 29 to 31 means loud speech is understood fairly well but normal speech level is not. 

Regulation

Acoustic doors must meet the Rw sound standards set by the Building Code of Australia (BAC). The following standards are Australian or internationally recognised regulation standards for acoustic and fire rated doors, as the doors have fire resistant properties. 

      • AS1276.1 – Methods for determination of sound transmission class and noise isolation class of building partitions
      • AS1905.1 – Components for the protection of openings in fire-resistant walls Fire-resistant doorsets
      • AS1530.4 – Methods for fire tests on building materials, components and structures Fire-resistance tests for elements of construction
      • ISO 140-3: 1995 – Acoustics – Measurement of sound insulation of buildings and of building elements

Spartan Doors manufactures its acoustic doors to AS1276.1 and AS1530.4 if fire rating is required.

Summary

Overall, acoustic doors provide important health benefits and are a great option for any environment where noise quality or protection is required. Acoustic doors can be used in a range of industries and environments because the doors have different levels of soundproofing, which can be measured with the STC or Rw rating system. The doors are regulated in Australia and abroad and are available in the traditional door types (single, double, fire rated, etc).

For more information on our acoustic doors, please email us at [email protected] or call 1300 784 852.

Filed Under: News

Custom Security Doors

March 17, 2021 by Matthew Ait

We manufacture custom security doors compliant with SCEC standards. Custom security doors

The SCEC (Security Construction and Equipment Committee) is responsible for the evaluation of security equipment used by Australian Government departments and agencies. Because door security is paramount in high security environments, products used in Australian Government buildings, such as doors and frames, must be manufactured to the highest level of security and quality. Importantly, solid timber or flush panel block board core doors can be used for all security zones.

The SCEC uses a ‘SEEPL’ (Security Equipment Evaluated Products List), which lists all of the products and equipment that are approved for use in high security environments. This list is categorised into levels that outline where the approved products can be used.

  1. SL1 (Security Level 1) – for low threat areas
  2. SL2 – for medium-low threat areas
  3. SL3 – products that are approved for medium threat levels
  4. SL4 – high threat level areas

SCEC Frame Requirements

The following are requirements for a door frame to be SCEC compliant:

  • Door frames must be fabricated from cold-formed steel and have a minimum thickness of 1.6mm
  • Door frames must be permanently fixed, flush to the adjoining wall studs
  • Door frame hinges must be screw fixed to the frames with a minimum of four (4) hinges per door

SCEC Door Requirements

The following are requirements for a door to be SCEC compliant (Zones 3 to 5):

  • The door must have a minimum thickness of 45mm – this thickness applies to door types such as secure fire doors or acoustic doors
  • The block board core centre of the door must have a minimum thickness of 35mm – timber, plywood or cross branded LVL blocks are applicable
  • Green timber doors must not be used – the SCEC recommends seasoned hardwood doors

Spartan Doors Compliance

Spartan Doors has experience in SCEC projects and meets its strict requirements through extensive manufacturing and quality check procedures. Our SCEC door range has over 30 variations and the finishes include MDF, Ply and Weatherproof Ply. The doors are manufactured with a minimum block board core thickness of 35mm as specified by the SCEC and the ASIO T4 Protective Security board. Our Documents page has quality, insurance and product information that outlines our quality procedures, product maintenance and warranties.

Custom Security Door Capabilities

Spartan Doors manufacture custom security doors for a variety of industries. We offer specialised doors such as blast proof doors, bullet proof doors as well as our full Bulwark range, which begins from standard metal security doors all the way up to strong room doors.

For more information about our custom security doors, or our SCEC compliance, please contact us today at [email protected] or call 1300 784 852.

Filed Under: News

Semi-Solid Door Capabilities

March 11, 2021 by Matthew Ait

1500 Custom Semi-Solid Doors

We recently completed stage 1 of a bulk order for 1500 semi-solid doors. Each door required a custom 110mm stile on the lock side to ensure maximum strength and security (this can be seen on the bottom of the doors, as pictured below). Spartan Doors worked closely with the customer to ensure we manufactured the doors to their specifications and maintained functionality as well as negating the need for a lock block insert.

semi solid doors

Given the size of the project, the doors were manufactured and delivered in 400 door instalments to optimise freight. The first 400 doors were loaded onto a dedicated point-to-point courier and transported to the customer in the ACT. The doors were manufactured with a Polystyrene core and a 3.2mm HMR XP finish.

semi solid doors

Spartan Doors has experience in supplying quality doors to customers in the ACT or in SCEC buildings. We have also increased our capabilities to accommodate all door types with different weights, finishes and security levels. Our semi-solid doors are a popular option with industrial and commercial customers because the doors are both secure and lightweight.

Our Flush panel door range includes other options such as;

  • Full profiling
  • Bottom rebate
  • Perimeter rebate
  • Meeting stile rebate
  • Power pass
  • Tapered door
  • Vision panel
  • Air grille
  • Steel subframe

If your business requires a bulk order or custom semi-solid doors, please contact us today at [email protected] or call 1300 784 852.

Filed Under: News, Spartan Doors Blog

Spartan Doors – International Door Exporters

January 29, 2021 by Matthew Ait

We now export doors!

Spartan Doors are now official door exporters. The company recently completed a large manufacturing order for a business in Papua New Guinea. The order included Maxi and Mini fire doors, fire rated vision panels, metal frames and hardware. International projects are becoming increasingly attractive to door exporters because of the quality and cost of Australian products.

There were no issues during production and we even provided storage for the pallets while the customer arranged their freight. The customer’s freight consolidator was repacking the order and loading them into a container, meaning Spartan Doors did not have to package the order ready for international shipping with treated pallets, but this can be done if needed. The doors, frames, panels, and hardware were successfully exported to the satisfied customer.

Door Exporters

This was a big milestone for the company as it was our first international project. It demonstrates that Spartan Doors has the experience and capability to manufacture doors to Australian and international standards. It also shows that we are trusted by the Australian door industry enough to be chosen as an export product. We encourage exporting customers to arrange their preferred freight as it saves time and materials for both parties. 

Spartan Doors is excited to provide high-quality doors to customers all over the world. If your business is looking to export doors or if you require more information on our manufacturing capabilities, please contact us today via email at [email protected] or call 1300 784 852. 

Filed Under: News

Door Frame Dimensions Explained

January 20, 2021 by Matthew Ait

Door Frame Dimensions

When discussing these dimensions, it is important to understand the different types and the roles they play. There are five key types, these are Wall Opening Size, Frame Overall Size, Reveal Size, Door Size and Clear Opening Size. Australian construction and manufacturing standards outline that these dimensions must be followed in conjunction with their relevant catalogues. 

Door Dimensions

Types of Door Frame Dimensions

Wall opening size

Wall opening size is the biggest dimension. It is the dimension of the opening in the wall that the door frame and door will be built in (it also accounts for floor clearance). Therefore, it must be the largest in order to fit the door frame and door inside it. 

Frame overall size

This is the second largest dimension and is the height and width of the door frame. It needs to fit inside the wall opening but also be big enough to fit the physical door and its clearances. A standard difference between wall opening size and frame overall size is 5mm on the height and width. This allows enough clearance for the frame to fit inside the opening.

Reveal size 

Reveal size is the third largest dimension and put simply, it is the space inside the frame that the door needs to fit in. 

Door size 

The door size is the fourth largest dimension. It is the height, width and sometimes thickness of the physical door inside the frame. This is the dimension you see online when looking for doors for your business or home. The difference between the reveal size and door size can vary depending on the type of door. As an example, a fire door has a tighter tolerance (less of a difference between door size and reveal size) than a solid core door. 

Clear opening size 

The smallest dimension is the clear opening size. This is the space needed so that objects of a certain width can fit through a doorway. It must be documented to align with the mandatory fire and safety regulations as well as wheelchair access. This can be the most difficult to calculate as it depends on how far the door can swing when open, and the door thickness and the stop dimension. We can assist with calculating this dimension.

The document below shows the relationships between frame overall size, reveal size and door size:

shed doors

For more information about door dimensions or Spartan Doors capabilities, please contact us today via [email protected] or call  1300 784 852. 

Filed Under: News, Spartan Doors Blog

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News

  • Acoustic Door Types and Applications April 7, 2021 - Acoustics Over the last decade, the importance of acoustics in our home and work environments has become mainstream. Both the benefits and consequences of acoustics...
  • Custom Security Doors March 17, 2021 - We manufacture custom security doors compliant with SCEC standards. The SCEC (Security Construction and Equipment Committee) is responsible for the evaluation of security equipment used...
  • Semi-Solid Door Capabilities March 11, 2021 - 1500 Custom Semi-Solid Doors We recently completed stage 1 of a bulk order for 1500 semi-solid doors. Each door required a custom 110mm stile on...
  • Spartan Doors – International Door Exporters January 29, 2021 - We now export doors! Spartan Doors are now official door exporters. The company recently completed a large manufacturing order for a business in Papua New...
  • Door Frame Dimensions Explained January 20, 2021 - Door Frame Dimensions When discussing these dimensions, it is important to understand the different types and the roles they play. There are five key types,...

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Kurri Kurri, NSW, 2327

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