SPECSMOOTH is a one-component, polymer modified concrete repair / resurfacing mortar for smoothing, resurfacing, rubbing, and restoring concrete surfaces. SPECSMOOTH offers superior durability for all interior and exterior, vertical, overhead, and hortizontal concrete applications. Ideal for repairs from a feather up to 1/4" SPECSMOOTH can also be used as a skim patch or trowel-down underlayment for horizontal repairs subjected to light traffic.