ARDEX Products
Underlayments

ARDEX K 40™ RAPID
Rapid, High Flow, Self-Leveling UnderlaymentProduct Quantity | 50 lbs |
Colours | Grey |
Working Time | 10 Minutes |
Pot Life | 10 Minutes |
Dry Time | 2 Hours Install Flooring (Ceramic, Quarry, Porcelain) | 2 Hours All Other Floor Coverings | 12 Hours Install Wood Flooring Adhesives |
SF Or LF | 56 SF |
Area Or Depth | 1/8" Thick |
Floor Or Wall | Floors |
Interior or Exterior | Interior |
Compressive Strength (PSI) | Day28 8000 |
TF | Tack Free |
RC | Recoat |
CG | Concrete Guard |
CD | Concrete Dressing |
FT | Foot Traffic |
LT | Light Traffic |
DT | Dry Through |
FC | Full Cure |
HFT | Heavy Foot Traffic (Forklift) |
VT | Vehicular Traffic |
FUT | Full Traffic |
-
Install (ceramic, quarry, porcelain) flooring: 2 hours
-
Install wood flooring or any adhesives: 12 hours (All others 4 hours)
-
Levels from 1/8” (3 mm) up to 1” (24 mm) thick
-
Use to level and smooth interior concrete, terrazzo, ceramic and quarry tile, epoxy coating systems and non-water-soluble adhesive residue on concrete
-
Other approved, non-porous materials on concrete†: Epoxy terrazzo; non-porous (non-absorbent) cementitious terrazzo; Ceramic, quarry or porcelain tiles; Epoxy coatings; Non-water-soluble adhesive residue; Concrete treated with certain curing compounds
-
Suitable Applications: All grade levels; Dry areas only
-
If ARDEX MC RAPID, ARDEX VR 98 or ARDEX PU 50 will not be installed, dormant cracks and dormant joints can be patched with ARDEX FEATHER FINISH® Self-Drying, Cement-Based Finish Underlayment or similar trowel-applied material in accordance with the technical data sheet. For plywood subfloors, fill open joints with ARDEX FEATHER FINISH or similar in accordance with the technical data sheet
-
Not to be used as permanent wear surface, even when coated/sealed
-
Recommended Tools: ARDEX T-1 Mixing Paddle • ARDEX T-10 Mixing Drum • 1/2” (12 mm) heavy-duty drill (min. 650 rpm) • appropriate measuring bucket • ARDEX T-4 Spreader • ARDEX T-5 Smoother • cleated athletic shoes with non-metallic spikes
-
APPLICATION GUIDELINES: Pour or pump: -mix water and powder, pour onto floor, spread evenly, smooth out, can use spike roller (can extend with aggregate, see TDS).
-
Safety Data Sheet | SDS
Download PDFTechnical Data Sheet | TDS
Download PDFVisit Ardex's Website
Visit Website