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Topmar Building Supplies provides the lumber that covers your project from the foundation to the roof, inside and out. From the exterior wood siding, doors & windows, porch and deck materials to your finished interior trim, doors and hardwood floors, we provide quality lumber and related products, prompt delivery, great value and excellent service.

Dimensional Lumber

Dimensional Lumber

We carry various grades of dimensional, pressure treated and untreated lumber ranging in size (from 2x4 to 2x12), posts (4x4 and 6x6) and species (cedar, pine and spruce). We also have strapping in 2x2, 1x3, 1x4 and 1x6 and stock a wide variety of western red cedar.



Some of our stock and product we can access includes: pine, oak and birch cupboard stock (veneer particle core) in various thicknesses, spruce, Good One Side (GIS) fir, marine-grade pressure treated and aspenite (Chip Board).

Pressure Treated

Pressure Treated

Pressure treating helps wood withstand the elements and ward off insects and fungal decay. We carry pressure treated lumber (sizes from 2x4 to 2x12), posts (4x4 and 6x6), decking, lattice, fence boards, stair stringers, spindles, ballisters and mini ties (3x5).

Engineered Wood Products

Engineered Products

We supply engineered floor systems, and provide pre-engineered beams for supporting roof and floor loads. We can handle your simple LVL headers to your complex roof and floor systems. Our suppliers offer quality wood roof trusses for the residential, commercial and agricultural sectors.

Your trusted building supply & hardware partner!

Nackawic  (506) 575-2261

Topmar Building Supplies
53 Carleton Drive Nackawic, NB
(506) 575-2261

Fredericton Area (506) 668-1855

Topmar Contractor Supplies
103 Route 105 Lower St. Marys, NB

(506) 668-1855

Proud member of

Castle Building Center


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