Welcome To the Seconline Blog

A common question here at the Seconline support desk is in regard to door handle heights  and  lock sides. One of the unbreakable golden rules reiterated to our customers daily is that they must always view their door from the outside looking in; in this way we are able to ascertain the true and correct lock side to be installed here at our...

Seconline is a business with a factory based in Redhead, Newcastle (formerly in Mudgee, central west New South Wales) that is set up with the one purpose in mind of fabricating high quality security doors/barrier doors and security screens/insect screens to our customers’ exact specifications and shipping them to them in the shortest period of...

We live in a time of increasing levels of violence. Due to the drug epidemic that is rampant in our society at the moment there is an ever-increasing need to have our homes and our belongings protected. Under the influence of illegal drugs and the necessity for money to fund their addictions, people who would normally never entertain the idea of...

From time to time the Seconline Help Desk are asked to assist in rectifying some of the issues that arise when both single lock security/barrier doors and three-point lock barrier/security doors are installed by our customers. The Austral locks that we use are an extremely robust and effective lock with very few moving parts within the lock...

The security of your home and your family should be one of your highest priorities. To know that you have done your best to provide a secure, safe environment is a feeling we should all aspire to. Home security is something that is fundamentally a commonsense mindset. Usually a quick inspection from the outside of your property will reveal whether ...

When interpreting building or architectural terminology it is important to recognise that they generally talk in overall widths and drops (height). That is opening sizes. For example if they were talking about a 900 mm wide by 2100 mm drop sliding door, they would say it was a 1800 sliding screen door. This then becomes confusing, as you would...

This is a very common question asked when purchasing Security Screen Doors Online from Seconline, firstly we need to explain the difference between the two locking systems.

A single locked door is a door with one central lock only. This lock is located in the centre of either the right-hand side or the left-hand side outside looking in (you can...

A rebate is a recess in a door jamb that provides a stop for the screen door.

This rebate can be either timber, aluminium, or steel. The thickness of a standard Seconline security screen door is 20 mm. Some rebates will have a deeper recess of some times up to 35 mm. 

This is not a serious issue, however, the door may not strike correctly as it...

Bottom Bug Seals 

Seconline colour matched bottom Bug Seals can now be easily selected when purchasing your screen door with a handy tick box now available when entering your door measurements.

Alternatively if you require further seals, or other door accessories, they can be found on the Extras page of the website.

The purpose of a bottom bug...

Hinged Door Closers

At Seconline we use and recommend Doric pneumatic Door Closers. These can be easily selected when purchasing your screen door with a handy tick box now available when entering your door measurements.

We recommend that you install a door closer to your Hinged Seconline Door for the following reasons. 

•  To ensure that door...