Home owners are turning to the professionals to make major upgrades to their living spaces — and Home Depot is reaping the benefits.

On a call with analysts following the company's fiscal second-quarter earnings report, Home Depot CEO Craig Menear said revenue from its so-called Pro customers grew at a faster rate than the company average. This gives him confidence about the second half of the year — even in the face of slower same-store sales growth, tough comparisons and a potential pullback in GDP expansion.