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ARDEX Products

Primers & Joint Fillers



Low Viscosity Rigid Polyurethane Crack and Joint Repair
Product Quantity 21 oz
Colours Grey
Working Time 2 Minutes
Pot Life 2 Minutes
Dry Time 10 Minutes TF | 45 Minutes FUT | 45 Minutes Grind
SF Or LF 30 LF
Area Or Depth 1/4" W x 1/4" D
Floor Or Wall Floors
Interior or Exterior Interior & Exterior
Tensile Strength 4150
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
  • ARDEX ArdiFix™ is a two-part polyurethane repair compound for cracks, control joints, spalls and pop-outs on interior or exterior applications. It is ideally suited to fill cracks and saw-cuts prior to the installation of ARDEX Moisture Control Systems, underlayments and toppings. ARDEX ArdiFix is ultra fast setting, allowing for the installation to proceed within minutes of application. ARDEX ArdiFix is 100% solids for no shrinkage and cures to a rigid hardness. It also has a wide service temperature range of -35° to 110°F (-37° to 43°C), making it suitable for applications from freezers to warehouses

  • Repairs very fine cracks; Mix with sand for larger cracks or repair of spalls and pop-outs; Ideal for filling cracks and control joints (saw cuts) prior to the installation of ARDEX Moisture Control Systems, Underlayments and Toppings, 100% solids, no VOC’s, non-flammable; Extremely low viscosity allows for deep penetration

  • Recommended Tools: Commercial grade 22 oz. (650 mL) dual cartridge, dispenser, recommended static mixing nozzle, razor scraper

  • PRECAUTION: This is a fast setting material. The following procedures will minimize waste and achieve the desired results. Failure to follow these procedures can cause isolated soft spots and subsequent failure. IMPORTANT: During set-up of cartridge (purging air and balancing) and initial dispensing of material, keep cartridge and nozzle assembly pointed straight up. AFTER purging/ balancing and initial shot of material, always keep the cartridge and nozzle pointed downward to prevent material in the nozzle from flowing back into the cartridge. Prepare joints and cracks prior to starting a new cartridge. If at all possible, schedule dispensing to consume an entire cartridge with no interruption of material flow. Shake the cartridge vigorously for 10 seconds and then stand the cartridge upright for about a minute. Insert the cartridge into the dispenser, making sure it is properly positioned with the shoulder of the cartridge flush with the front bracket of the dispenser. Remove the plastic cap from the top of the cartridge. IMPORTANT: Before attaching the static mixing nozzle, dispense a small amount of material onto a disposable surface until both components flow evenly from the cartridge. After purging and balancing always point cartridge downward when not dispensing to prevent mixed material in the nozzle from flowing back into the cartridge. Place the nozzle onto the cartridge and secure it by tightening in a clock-wise direction. Make sure the nozzle and cartridge assembly is secure before proceeding

  • Apply continuously once opened to prevent the tip from becoming clogged. Place the mixing nozzle directly over the crack, joint or repair area. Dispense material using full smooth trigger pulls (no short choppy strokes) and allow material to gravity feed into the crack, joint or repair area. For installations to receive an ARDEX Moisture Control System, Underlayment or Topping, immediately broadcast clean sand size #30 or #35 into the freshly applied material. For installations where no further work will be done, over-fill the crack, joint or repair area so the material is slightly higher than the face of the concrete slab. Allow the ARDEX ArdiFix to set for approximately 10 to 15 minutes (at 75° F), and then use a sharp razor scraper to shave excess material from the top of the slab. For filling spalls and pop-outs, mix ARDEX ArdiFix 1:1 with dry sand to a paste-like consistency, then fill and smooth with a trowel or putty knife. Repairs can be put into service in 10 to 15 minutes and ground smooth in as little as 45 minutes