450 332-9997

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450 332-9997

I started A3G Isolation to accomplish one goal and one goal only:  Make expertise in the residential and commercial construction trades available to anyone tackling a major construction project.

Sam Kromstain

Sam is as good with numbers as he is with a table saw.


At A3G Isolation, we've taken our collective experience to create our own methodology to keep your project on track and under budget.

Mark Priston

Mark's project management acumen ensures that our clients are never caught off guard.

Une tradition d'excellence en calorifugeage.

notre histoire


We know that you're reputation is only as good as the results of your last job. That's why we proud ourselves on a results-oriented approach.

John McCoist

John keeps the day-to-day business activities rolling.

  • 1960 - Camille Lamer fonde ALMER Isolation
  • 2001 -Yves Lamer prend les rennes de l'entreprise et lui donne un second essor
  • 2005 -Récipiendaire du concours Énergia, décerné à l'entreprise s'étant démarquée dans la catégorie isolation
  • 2014 - Emménagement dans les nouveaux locaux de Longueuil pour supporter la croissance
  • 2015 - A3G prend son envol

ALMER 3ième génération

Brandy Grosh

Brandy has been a successful commercial construction foreman for 15 years.

our leadership team


We live, eat & breathe construction in all its forms. Keeping construction going strong in this country is day-to-day mission.