Your Trusted Partner for Division 3 Concrete Specialty Supplies

At Bay Building Supplies, we understand that purchasing concrete specialty products in a complex, fast-paced construction industry can be challenging. That’s why we make it simple. We offer a deeply diversified inventory designed to support both commercial and residential projects from the ground up. Whether you need heavy-duty structural rebar and wire mesh or finishing accessories like curing blankets and caution tape, we provide the reliable, top-tier materials you need to keep your project moving forward, on time and on budget.

Reinforcing

  • Wire Mesh Rolls & Sheets
  • Rebar #3,4,5,6,7,8, ¼ Pencil Rod
  • Smooth Dowels ½”, 5/8″, ¾”
  • Speed Dowels
  • Chairs Ind. & Continuous Plastic & Steel
  • Rebar Caps
  • Bar Ties

Trench Drain

Expansion Joint

  • Fiber, Foam, Neoprene

Forming

  • Steel & Plastic Forms
  • Sonotubes
  • Nail Stakes
  • Wood Stakes
  • Ellis Clamps
  • Form Release
  • Wall Ties
  • Anchor Bolts
  • Nails
  • Waterstops PVC,TPR, Bentonite

Vapor Barriers

  • Poly, Under slab

Curing & Sealing

  • Solvent Based, Water Based, Blanket
  • Burlap

Hardening

  • Liquid, Shake-on

Grout

Patching & Repair Products

Can’t find what you are looking for?

View Our Other Products

Div. 4: Masonry Products

Div. 7: Thermal (Insulation) & Moisture Protection Products

Manufacturers

We partner with the construction industry’s most respected manufacturers to ensure every product we sell meets or exceeds strict engineering and safety standards:


Convenient Pickup & Delivery

With strategically located facilities across Illinois, Minnesota, and Wisconsin, we are positioned to deliver the supplies you need exactly when you need them. Contact your closest branch today:

Brooklyn Park

8239 93rd Ave. North
Brooklyn Park, Minnesota, 55445
763-535-4405

Waukesha

W226N758 Eastmound Drive,
Suite A
Waukesha, Wisconsin, 53186
800-737-8774

Wausau

8500 Highland Drive
Wausau, Wisconsin, 54401
800-737-8774

West Chicago

425 Fenton Lane
West Chicago, Illinois, 60185
847-984-1955

Looking to discuss your project or product needs with someone well-versed in the specialty?