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Molds - Forms
Concrete Bathtub Mold- Urbane Tub
Free Freight Shipping! (Continental US only)
MSRP (base model)
Shipping: Usually Ships in 3 to 5 Business Days
Bath Tub Mold to create a concrete tub.
The Urbane style design with built in armrests and smooth flowing lines.
This is a one-part mold- just the negative of the tub.
Designed to be used for a pre-cast tub, or cast in place concrete tub.
: Place Tub Mold on form material, and construct a 'box' around the Tub Mold to hold the concrete.
: Tub Mold will need to be suspended in place, usually using a framework of 2x4's. Any sides to the concrete tub will need to be formed up. Generally plumbing for the tub drain will already be connected, and a drain hardware piece installed to the plumbing, with the Tub Mold resting on top of the drain.
Dura-BLU fiberglass Molds are reusable indefinitely with proper care.
Dura-BLU molds have the highest grade 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.
All Dura-BLU Molds have Lifetime Guarantee against defect. This Guarantee does not cover misuse of the Molds (Dropping the Mold, Prying the Mold out using a screwdriver, Driving onto it with a truck tire... etc.).
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.
Urbane Tub Mold Measurements:
*Depth can be adjusted by trimming/sanding down the Mold to your desired depth, but you may lose the Internal Flange that is in the Dura-BLU Molds if you trim very much.
Sides to Dura-BLU Molds have at least a 5° slope to ensure Mold removal from concrete.
Watch videos of Mold Setup, Casting, and De-Molding/Removal on our
Tub Mold Setup:
Most customers will want to take a Scotch-Brite pad (or about a 200 grit sandpaper) and lightly buff the Dura-Blu Mold prior to use. This scuffing of the surface will allow the Mold Release Wax to stick onto the Mold better, and help prevent excessive sticking to the concrete when de-molding. Dura-Blu Molds are shipped with a high-gloss gelcoat finish for those who require a mirror-like finish in the concrete tub... but who are usually prepared for a more difficult time removing the mold!
Apply 2-3 coats of a Mold Release Wax (
), lightly buffing between coats once it hazes.
Pre-Cast Tub Setup
Screws should be used to secure the Tub Mold to the base of the form being used. Screw through the bottom of the form base, up into the Internal Flange of the Sink Mold.
Run a smooth silicone bead around perimeter of the Tub Mold, where it meets the form base (using a tool such as our Caulking Ball Tool makes this process very clean and easy). Silicone a piece of foam cut to the right diameter of your drain piece, or silicone the drain itself directly onto the Tub Mold. Allow silicone to dry.
Construct a form 'box' around the Tub Mold. Most concrete tubs should have a concrete thickness of 3-4" minimum.
Cast-In-Place Tub Setup
Connect plumbing for the tub drain, and install drain hardware piece, one that is suitable for concrete to be poured around.
Build a framework to suspend the Tub Mold in place. Usually a framework of 2x4's that span up and over the tub, with supports going down into the Tub Mold Shell, and connect the Tub Mold to the frame supports.
Run a small silicone bead around the top of the drain, where it meets the Tub Mold.
Construct any needed forms to contain the concrete around the Tub Mold.
Apply a thin coat of Fiberglass Safe Form Release (
) to the Mold just prior to casting the concrete piece.
Various methods can be used to cast the concrete piece.
Cement and fiberglass is sprayed on and hand packed into the form and around the Mold.
Oatmeal consistency concrete is placed in form and around the Mold and vibrated.
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.
Any voids in the concrete can be filled using a cement slurry (
Mix your own slurry by mixing Portland cement, Cenospheres (
), and water (or water/
If the steps above were followed for the Mold Setup, then most Molds will usually pull out of the concrete with minor effort.
If the Tub Mold is difficult to remove, try:
Compressed air shot around the Mold rim will break the suction holding the Mold in the concrete.
Adding cold water and ice to the inside of the mold for 10 minutes will shrink the mold just enough that removal is easier.
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. Do not over-tighten the clamps, just put some pressure on them and then resume shooting compressed air around the Mold's rim. Add a little more pressure to the clamps, and repeat the air until the mold comes free.
Mold Clean-up and Care:
Clean Mold with a sponge after each use. Any dried cement residue can be removed with a scotch-brite pad (as outlined above in the Mold Setup section). A light muriatic acid wash (20:1, 20 parts water to 1 part muriatic acid) can also remove cement scale.
Waxing and buffing the Mold after cleaning it use is recommended to protect the Mold until its next use.
Any damaged areas (chips, scratches, imperfections, etc.) can be repaired using 2-Part epoxy (available for a few dollars at any hardware store- comes in a double syringe). Mix the epoxy, clean the damaged area and apply the epoxy to the damaged area. Sand smooth when dry. Wet sanding the Mold will return the damaged area to a high gloss if desired. Bondo can also be used, although it usually won't stick to the Mold as strong as epoxy will.
Tub Molds ships via freight, usually within 3-5 business days.
Free freight shipping to the US 48 states. Outside areas, please contact us for a shipping quote.
Fiberglass Rubber Safe Crete Form Release
Fiberglass Safe Concrete Form Release
Fiberglass Mold Release Wax
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