News

Covid-19 safety plan

Covid-19 Safety Plan

At Helitec we take our Health, Safety and Environment responsibilities seriously. We have added to our Safe Work Method Statement for each site our Covid-19 safety plan. Our plan follows the latest NSW Government advice and public health orders. We … Read more

pre-war bungalow repairs

Pre-War Bungalow Repairs

Helitec Structural Services have successfully completed many pre-war bungalow repairs in NSW. There are common problems with pre-war bungalows that have a long boundary wall adjacent to an internal hallway. Often the separation of the walls from the building substructures … Read more

conservation repairs

Conservation at Croydon

Croydon Public School is a public, co-educational, primary school located in Croydon a suburb of Sydney that required conservation of its original administration building. Established in February 1884, Croydon is historically important as one of the first schools built after the Public … Read more

Brickie's sand

What’s wrong with brickie’s sand?

What’s wrong with brickie’s sand? What’s bad about high clay content in brickie’s sand? So, how do you mix mortar according to Australian Standards? Even when the Builder or Client supply the Sand for the site, the bricklayer needs to … Read more

failed arch repair

Failed Arch Repair in Casula

Helitec were called in to repair and strengthen a failed arch on a brick home in Casula A large crack appearing on the main front wall of a well constructed and maintained family home in the Sydney suburb of Casula, was a … Read more

How to determine if wall ties are corroded?

Inspection and diagnosis of corrosion problems in wall ties. The single biggest cause of wall tie failure in Australia is corrosion or rusting of the galvanized wire wall ties. This can lead to a catastrophic collapse of brickwork where the … Read more

Helifix brick ties

Double Bay Restoration

The partial collapse of the external brickwork of a neighbouring apartment block, due to corroded cavity wall ties, promoted the owners of this harbour side apartment building in Double Bay to engage an Engineer to also investigate and report on … Read more

Metcell

Workability additives and mortar bond strength

Workability additives and mortar bond strength Many bricklayers will use workability additives to “fatten up” the mortar mix, but what does this do to the mortar bond strength? There appears to be a lot of confusion and misinformation in the … Read more

heritage restoration

Heritage Restoration – Pictorial

This heritage cottage in The Inner West of Sydney was proudly restored by the Helitec Team. Contact our friendly staff to find out how Helitec can remediate your heritage home. Helitec are proud to undertake Heritage restoration to the highest quality. … Read more

Cavity Brick Walls Repaired

There are three main components of an external brick cavity wall and they are; All three components are of critical importance to the stability of the wall and the degradation or failure of any one of these components compromises the … Read more

Repointing Brick Walls

Why Traditional Lime Mortar

Why Traditional Lime Mortar? Helitec Site Supervisor and heritage Stonemason, Mark Downton discusses the advantages of using traditional and compatible mortars in heritage restoration work. Damaged to stone can often result when incompatible mortars are used The use of traditional … Read more

Historic building repairs

Why buildings crack

Helitec technical staff discuss why buildings crack and examine some of the causes. What causes a building to crack? A seemingly simple question which is often asked by frustrated and building owners when cracks appear and sometimes even disappear, at … Read more

strata building repairs

Bondi Rescue

Helitec saves the façade of an iconic 1930’s apartment block from collapse Raking shores were erected to provide emergency temporary support to façade brickwork. Wall plates and shores were used to support the dangerously bowed and unstable brickwork at this … Read more

Francis Greenway Gets A Face Lift

Francis Greenway – LIVERPOOL TAFE COLLEGE HISTORY The former Liverpool Hospital complex is of State significance as one of the oldest, substantially intact colonial hospital complexes in Australia. Helitec were called in to undertake historical restoration of failing arches. Built by … Read more

Helitec Construction Training Programme

Helitec Structural Services commitment to ongoing construction training is core to our success, we support and encourage our employees to continue to refresh and up-skill their existing qualifications. Helitec staff have recently undertaken recent construction training in; Helitec In-house training program Helitec … Read more

Expansion Joints – TAFE Shellharbour

Fixing Expansion Joints and Crack Stitch Repairs. Helitec were called in to fix inadequate movement joints at the north elevation wall of Block G at the Shellharbour TAFE. Themal and moisture movement had damaged the wall.  The brick wall also … Read more