Concrete Crack Repair Products

Perdüre CR

Perdüre CR is a single component, polymer modified concrete repair compound designed for filling and repairing concrete and masonry surfaces above, on or below grade. It is suited for patching and/or resurfacing distressed horizontal surfaces. It is intended for fast turnaround repairs and contains a special migratory corrosion inhibitor. When mixed with water, it results in a consistent mix that can be troweled, shaped and shaved after the initial set.

Perdüre CR is a general purpose concrete repair material used to fill spalls, gouges, dormant cracks and other low areas in existing concrete surfaces, including sidewalks, patios, plazas, courtyards, walkways, driveways, parking garages and pool decks. It can also be used to re-form concrete steps, pre-cast products, concrete pipe, curbs, sidewalks, bridges, panels and walls. It also can be used to fill honeycombs, form tie rise holes, spalls or irregularities due to misaligned forms or unconsolidated concrete. Once applied and allowed to dry properly, Päram, Sgraffino or Überdek can be installed over the entire area to create a desired appearance.

ADVANTAGES

• Single component—just mix water on site
• Specialty polymers promote excellent bond to the existing concrete substrate
• Can be applied vertically and on overhead applications
• Tenacious bond to concrete substrates
• Excellent freeze/thaw stability
• Quick turnaround, ready for foot traffic in two hours
• Suitable for residential and commercial applications

TECHNICAL DATA
Initial set	20 min @ 720F
Final set	30 min @ 720F
Mixing water	4.0 – 5.0quarts of water for 50lb bag
Compressive strength (ASTM C 928) 1  hour 3 hours 1 day 7 days 28 days	1925psi 3340psi 4885psi 5845psi 6500psi
Shear Bond Strength (ASTM C882) 1 day 7 days	1035psi 1650psi
Flexural Strength (ASTM C348) 1 day 28 days	1142psi 1180psi
Shelf life	12 months
Freeze/Thaw Resistance (ASTM C 666 Method B) After 300 cycles	1% loss due to slight scaling; no spalling

Perdüre ECF

Perdüre ECF is a 100% solids epoxy crack filler used to line, patch, or repair floor and wall surfaces. Perdüre ECF is the ideal material for repair of surfaces damaged from environmental or chemical attack. It can also be used as a base material beneath coating, slurry, and mortar systems to repair before coating.

ADVANTAGES

• Easy 1 to 1 mixing ratio
• Putty consistency provides easy application
• Low odor during application and cure – can be used in occupied facilities
• It can be used in both exterior and interior applications

TECHNICAL DATA			CURE/DRY TIME
Mixed Consistency	Putty		Pot Life	20–30 minutes @ 75°F
Mixing Ratio	1 parts A to 1 parts B by volume		Dry to Touch	3–5 hours @ 75°F
Solids Content	100% by volume		Re-Coat	4–6 hours @ 75°F
Volatile Organic Content	0 gm/L		Sanding time	12– 14 hours @ 75°F
colour	Grey		Full cure & maximum resistance	5 days
Weight Per gallon	15 – 16 pounds per gallon, mixed