Proudly servicing the Strata industry, Education Departments, and
Facilities Managers

Your Satisfaction Is Our Priority.

Backed by extensive industry experience, and a professional and multi-skilled team, ASQB is at the forefront of window and door repairs, maintenance and window safety compliance across greater Sydney.

We are proud to offer these bespoke services to our clients









  • Spring & spiral balance replacement

  • Window sealing with new weather & mohair strips

  • Timber sash cord replacements

  • Window roller replacements

  • Chainwinder replacements

  • Full window replacements – supply & install

  • Timber sash replacements

  • Window track capping

  • Leaking window repairs

  • Window stay replacements

  • General window hardware replacements 

  • General & emergency glazing

  • Installation of window safety devices

  • Window dilapidation reporting

  • Door sealing with new weather & mohair strips

  • Door roller replacements

  • Door track capping

  • Door closer repairs & replacements

  • Leaking door repairs

  • General door hardware replacements

  • Timber door installations – solid core, hollow core

  • General door glazing

  • Emergency door glazing

  • Door dilapidation reporting

  • Site assessment and risk management reporting

  • Tailored compliance solutions

  • Supply & installation of new window safety devices

  • Compliance certification and detailed documentation

  • Ongoing repairs and maintenance to window safety devices

  • Annual window safety compliance checks

  • End of lease window safety compliance checks​

  • Make a time specific booking for an already scheduled window safety installation HERE

Need something that isn't listed here? Contact us and we'll be more than happy to assist you

02 9785 7893      

72 Railway Rd Sydeham-1130.jpg

The ASQB Difference

ASQB is a market leader in window and door repairs & maintenance, and window safety compliance

We are highly experienced at servicing Strata Managers, Owners Corporations, Facilities Managers, and Education Departments throughout the greater Sydney region

All our services are backed by our own highly trained and experienced technicians, who are committed to providing a professional, reliable and hassle-free service. With a dedicated administrative team also on hand, assistance is always available to ensure your needs are met and exceeded


  • Fully qualified & skilled technicians

  • We provide a professional service

  • We are experienced and knowledgeable

  • We are proud to have a strong relationship base of regular repeat clients

  • We deliver a prompt & highly responsive service

  • ASQB guarantees our workmanship across all our services

  • Client satisfaction is our priority



ASQB is proud to have worked alongside small companies and large entities, offering an unmatched quality of service. 

See what they have to say about us.


"It was a pleasure to have Anthony’s team in our building over three days, nothing was too much trouble for them, they were helpful and pleasant to all our residents, and they are a credit to Anthony’s company. Thank you, Anthony, I am extremely happy that we decided to go with your company."

Morris McMahon
Body Corporate Chairman – Maroubra, Sydney