Helitec was called upon to undertake stone wall repairs at Turramurra. Turramurra is an Aboriginal word which is thought to mean either high hill, big hill, high place, or small watercourse. The Aboriginal reference of high hill covered the range from Pymble to Turramurra The Hillview estate is … Read more
Helitec Structural Services are approved installers of Helifix systems including Dixie Micro Piles. Dixie Micro Piles is an efficient, economical and non-disruptive method of foundation stabilisation. Installing Micro Piles is the latest technology to permanently fix foundation movement and subsidence. … Read more
This renowned building needed extensive remedial works from the effects of corrosion. Helitec successfully repaired extensive corrosion in this architectural heritage building that was designed by the architect John Athelstan Victor Nisbet. Completed in 1937, the design was directly inspired … Read more
This Double Bay home had extensive internal and external wall cracking. Helifix stainless steel Helibars were installed during the cracked wall repair using a cementious grout. Where needed Resities added stability to cavity walls fixed with resins. Helifix Resities Helitec … Read more
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
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
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
WE ARE OPEN HELITEC remain open during the Covid-19 emergency. Whilst we continue to offer our BUILDING +RESTORATION +REMEDIAL services we are able to assist you with your immediate essential building repairs, 24 hours/ 7 days a week. Contact us … Read more
What’s wrong with brickie’s sand? Simple shake test surveys of common “brickie’s sands” show that almost all typically exceed (some by up to three times) the maximum (10%) clay content permitted by Australian Standards (AS4773.2, Section 3.2.3) for use in … Read more
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
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
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
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
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
There are three main components of an external brick cavity wall and they are; The brick masonry unit. The bedding mortar (“brickies” mortar) and The brick tie or cavity wall tie. All three components are of critical importance to the … Read more
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
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
Over many years the owners had been watching the cracks throughout their beautiful 100 year old brick residence in Ashfield, NSW getting larger and more numerous. They felt powerless to do anything but continually paint and patch over them, only to find … Read more
The Brief – This block of 4 units near Manly Wharf had extensive corroded brick wall ties and arch window lintels. Helitec were called to reinstate the structural integrity and appearance of the building. We discovered that four particular areas needed repairs to … Read more
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
