Hardie Trim® Boards or AZEK Trim: Fiber cement trim adds the finish touches to any Hardie home with contrasting window trim, ... deeper shadow lines with custom artistry in every exquisite detail.

Conducted by Home Innovations Research Labs, the study says fiber cement trim is 15 to 18 percent faster to install than cellular PVC and “engineered wood” when using a pneumatic nailer.

The recent tests follow similar independent laboratory testing conducted in 2006, which indicated that fiber cement trim absorbs over five times more water than MiraTEC (40.6 percent vs. 7.4 ...