Construction & restoration products · since 1973
Your Trusted Construction Solutions Partner
Caulking, waterproofing, concrete repair and air-barrier systems from the brands your team trusts.
19,000+ products · 40+ trusted brands · GTA delivery
Live warehouse stock
Real-time availability across four GTA warehouses
GTA delivery
On our own fleet, from Markham
Shop by category
Materials your team needs, all in one place.
Adhesives & sealants
Colour-matched sealants, adhesives, backer rod & primers
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Air & vapour barriers
Membranes, flashings, adhesives & underlayment
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Waterproofing & coatings
Below- and above-grade protection systems
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Concrete repair & protection
Patching, grouts, crack injection & admixtures
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Wall coatings
Protective and decorative finishes
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Hand tools
Guns, blades, mixers & jobsite gear
BrowseYour account team
Every account has a named manager and a direct line.
Peter Giannopoulos
Sales Manager
Dean Seabrook
Account Manager
Wayne Gomes
Account Manager
John Chris
Account Manager
William Wright
Account Manager
Michael C. Starmans
Account Manager
Meet the whole team or call the order desk on (905) 947-9824.
Canadian and family owned since 1973
Deep product knowledge, and the team behind it
With four warehouses across the GTA, Jamac supplies contractors, restoration specialists and applicators: deep product knowledge, honest advice, real time availability and reliable delivery on our own fleet.
50+
Years in business
19,000+
Products stocked
40+
Brand partners
Our own fleet
Delivered to your jobsite across the GTA
We deliver on our own trucks from four GTA warehouses, with curbside offload by truck-mounted forklift. No third-party couriers, no guesswork on when your product lands.
Trusted brands we carry
40+ brands in stock. see all brands