Pool Products

Instant Hydraulic Cement

SGM Instant Hydraulic Cement is a mixture of Portland cement and special additives that permits underwater patching and general concrete repair work to be done instantly. It can be used wherever a quick setting caulking or plugging material is needed.

Product Details


Repair area must be clean and free of any paint, dust or grease. Chisel V-shaped channel to allow easy application wherever possible. Dampen area to be repaired.


Mix approximately three (3) parts SGM Instant Hydraulic Cement to one (1) part water or until the material becomes a dough-like consistency.

  • WARNING: Warm water will accelerate the set time. Only mix as much material that can be used in three (3) to five (5) minutes.
  • WARNING: Product is Alkaline on contact with water.  Use paddle for mixing to avoid splashing into eyes or contact with skin.  During mixing or application, avoid contact with eyes.  In case of such contact, flood eyes repeatedly with water and CALL PHYSICIAN.  Wash thoroughly after handling and before smoking or eating.  Do not take internally.
  • WARNING: This product can expose you to chemicals including silica, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov. Wear NIOSH approved mask for Silica dust.  KEEP OUT OF REACH OF CHILDREN.


Up to six (6) months from date of manufacturing in an unopened, properly stored container.


With pointing tool or steel trowel force material into hole or crack. Dampen material for fifteen (15) minutes after patching to prevent cracking. To repair water leak or underwater, apply pressure to the material for a minimum of five (5) minutes or until materials have firmly set.

SGM, Inc. warrants this product will perform in accordance with its intended use for a period of one year from the date of manufacture. Any claim for defective products must be submitted in writing to SGM, Inc., and samples of defect must be provided. SGM, Inc.’s sole obligation will be to replace any product determined to be defective by SGM, Inc. IN NO EVENT SHALL SGM, INC. BE LIABLE FOR DAMAGES OF ANY KIND OR NATURE, WHETHER ARISING BY CONTRACT, TORT OR OTHERWISE. SGM, INC.’S SOLE OBLIGATION WILL BE TO REPLACE ANY PRODUCT DETERMINED BY SGM, INC. TO BE DEFECTIVE. Your acceptance or use of this product is your agreement Broward County, Florida, and Florida law is the exclusive jurisdiction and venue for all purposes.