MiraTEC 3MT1416 Trim Board, 16 ft L Nominal, 4 in W Nominal, 4/4 in Thick Nominal, Smooth. 4/4X4X16 Miratec Trt Exterior Trim. Made from the patented TEC™ process, MiraTEC Treated Exterior Composite trim combines the eye-catching beauty of authentic woodgrain with the long-lasting performance of an engineered product. Because it is not hardboard, MiraTEC trim will not delaminate, is moisture, rot and termite resistant.

Item Features

• Moisture resistant as measured by ASTM D1037 for water absorption and thickness swelling
• Rot-resistant tested per AWPA E16 field test for evaluation of wood preservatives to be used out of group contact
• Horizontal lap-joint method
• Termite-resistant as measured by AWPA E7 standard method of evaluating wood preservatives by field tests with stakes