Friday, March 11, 2011

Concrete Sink Mold, Vessel Shallow



Product Description:
  • The 'Vessel Shallow' Sink Mold for concrete sink fabrication.
  • The Vessel Shallow Mold creates a modern contemporary concrete sink with a flat, plate like profile.
  • A unique single part mold- Just fill this mold up with concrete, and trowel the bottom of the sink. When cured, flip over and pop out the concrete sink.
  • Small style drain for bathroom/lavatory size drains.
  • Dura-BLU fiberglass Molds are reusable indefinitely with proper care.
  • Dura-BLU molds have a highly polished Industrial Gelcoat finish.
  • Dura-BLU Molds are made using the strongest commercial-grade resin, NOT out of GP (General Purpose fiberglass resin).
  • Each Dura-BLU Mold has an Internal Flange:
    • Inner Flange further strengthens and braces the Mold.
    • Creates a platform to screw into; securing the Mold to the form.
    • Allows clamps to be used to lift stuck Molds out of cured concrete.
  • Each Mold comes with one disposable foam drain hole knockout. Additional Foam Knockouts available here. Reusable Rubber Faucet Knockouts (Large size) can also be used for drain holes.




    Product Specifications:
  • Sink Mold Measurements: Finished Concrete Sink: 16 3/8"L x 15 1/2"W x 1 1/2"D.

  • Sides to Dura-BLU Molds have at least a 5° slope to ensure Mold removal from concrete.



  • Mold Setup:
  • Apply 2-3 coats of a Mold Release Wax (sold separately).

  • Screws can be used to secure the Mold if necessary. Using screws of the appropriate length, pre-drill holes through the outer fiberglass flange (lip) around the Vessel Shallow mold, and secure to a casting table using screws.
  • Apply a thin coat of Fiberglass Safe Form Release (sold separately) to the Mold just prior to casting the concrete piece.
  • Various methods can be used to cast the concrete piece:

    • GFRC: Cement and fiberglass is sprayed on and hand packed into the form and around the Mold.
    • Wetcast: Oatmeal consistency concrete is placed in form and around the Mold and vibrated.
    • Hand Packed: A drier concrete mix is hand packed into the form and around the Mold. A second step after de-molding will fill the voids with cement slurry, usually of a different coloring.
    • More information available on our Fabrication Tutorials Page.

  • Any voids in the concrete can be filled using a cement slurry. Add Cenospheres to portland cement to reduce shrinkage and make filling voids easier.



  • Mold Removal:
  • If Mold Release Wax and Liquid Release were used prior to casting the concrete, most Molds will usually pull out of the concrete with little effort.
  • If the mold is difficult to remove:

    • Adding cold water and ice to the inside of the mold for 10 minutes will shrink the mold just enough that removal is easier.
    • Compressed air shot around the Mold rim will break the suction holding the Mold in the concrete.
    • Using a few blocks of foam against the concrete, place a 2x4 across the Mold, and pry the Mold out using some large C-clamps, or wood working clamps.
    • Most Molds can be pushed out of the concrete by removing the drain plug, and pushing the Mold out through the drain hole.


    Warranty and Mold Care:
  • Each Dura-BLU mold has a Lifetime Guarantee against defect. This Guarantee does not cover misuse of the Molds (Dropping the Mold, Prying the Mold out using a screwdriver... etc.).
  • Liability Policy: Expressions LTD will not be held liable for any damage, misuse, or collateral damages resulting from use of any of our products. If there is a flaw or defect with a product, we will fix or replace the product.
  • Clean Mold with a sponge after each use. Waxing and buffing the Mold after use is recommended to maintain the Mold in top condition.
  • Any damage can be repaired using 2-Part epoxy (Available for a few dollars at any hardware store- comes in a double syringe). Mix the epoxy, apply to the damaged area, and sand smooth when dry. Wet sanding the Mold will return the damaged area to a high gloss if desired.


  • Shipping Information:
  • Usually ships within 1-2 business days.
  • Most orders ship the same day ordered.



  • Product Videos:












    Additional Sink Mold Pictures:




    concrete vessel sink mold
    Above: Side view of the Vessel Shallow Mold.



    concrete vessel sink mold
    Above: Top view of the Vessel Shallow Mold.



    Finished Concrete Sink Pictures:


    making a concrete sink
    Above: A Vessel Shallow concrete sink being made.



    concrete plate sink


    concrete plate sink
    Above: The Shallow Vessel Mold used to make this concrete sink, polished and stained in Walnut acid stain.


    concrete plate sink
    Above: The Shallow Vessel Mold used to make this concrete sink, polished and stained in Walnut acid stain.

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