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George Langstaff & Sons Construction Ltd. started in 2002 with George, his sons and a couple of workers. GLS has grown substantially now with 10-12 workers.

Our goal is to provide a professional service of the highest quality for our customers while maintaining an environment that fosters the professional and personal growth of the individual team member.

Our men are trained in Zoom Boom, Working at Heights, WHIMIS. We are certified GAF installers for roofing

As well, we are fully insured to protect you; the homeowner or commercial site from risk in the event of a fall or accident of any sort. All of our crews are fully trained in Zoom Boom, Scissor Lift, Fall Arrest, First Aid and WHIMIS.

Our company is the only one in Southwestern Ontario that can offer a 6″ seamless eavestrough, which is a speciality product for those with either commercial needs as well as residential home that have more than average roofline.

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With the Alu-rex Gutter Clean System you’ll never have to clean your gutters again.  This product keeps all types of debris out of your eavestrough, yet allows water to flow freely, ensuring that rainwater is directed away from your home – helping to ensure a dry foundation and a dry basement!


Our MISSION is to be a multi-specialty professional group operating a quality construction corporation that has the status of a preferred provider for the contracted and capitated service market in all of Sarnia-Lambton, Chatham-Kent County and surrounding areas.


Our VISION is to be the leader integrator of the exterior construction industry that will serve the residential and commercial leaders of the community in all of Southern Ontario in the 21st century.


  • The Customer is the centre of the Construction process

  • The Customer is an active participant in the Construction process

  • Innovation and problem solving are required of all employees

  • Continuous improvement of the quality of construction delivered is the responsibility of everyone