Durham's 076694000015 1-Pound Rockhard Water Putty
- 1 pound (16 ounce) can of powder
- Gypsum based, cream color
- Concrete, stone and wood surfaces
- High viscosity, water resistant
- Fills holes and cracks
Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A powder putty for filling holes and cracks in wood, stone and concrete, mixed into a workable paste. The listing leaves out mixing ratio, set time and finishing steps.
As an Amazon Associate I earn from qualifying purchases. ProductDome earns a commission when you buy through links on this page.
ASIN: B01M12E5XNModel: HRD-PN--22942503Category: Wood Filler
Overview
Filling holes and cracks is the job of this gypsum powder putty, which comes in a one pound can. It is listed for use on concrete, stone and wood, with a cream color and high viscosity.
A powder format stores well and lets you mix only what a repair needs, and the gypsum base covers several hard surfaces. The listing gives no mix ratio, working time or sanding advice.
Who it's for
Home owners and tradespeople patching small holes and cracks on mixed materials. Large structural repairs need a dedicated epoxy or cement product.
Pros and cons
- Works on wood, stone and concrete
- Powder lets you mix small amounts
- One pound can
- Mix ratio not listed
- Set time not listed
- Finishing guidance not given
Performance notes
Mixed with water, the gypsum powder forms a thick paste that sets hard in the defect. How much it shrinks and how fast it sets depends on the mix and on the depth of the fill.
Specifications
| Brand | Durham's |
|---|---|
| Model | HRD-PN--22942503 |
| Construction & materials | |
| Material | Gypsum |
| Compatible material | Concrete, stone, wood |
| Color | Cream |
| Included components | |
| Size | 1 pound (16 ounce) |
| Other details | |
| Item form | Powder |
| Water resistance | Water resistant |
| Viscosity | High |
| Container | Can |
Frequently asked questions
What surfaces can I fill with Durham's Rockhard Water Putty?
The listing names concrete, stone and wood, for filling holes and cracks.
Is Rockhard Water Putty ready to use from the can?
It is sold as a powder, so it needs mixing. The listing gives no mixing ratio.
Is water putty the same as wood filler?
Not exactly. This is a gypsum powder that also works on stone and concrete.