Contractors and homeowners are invited to drop in for a free Build-It Tour demonstration event from 10 a.m.-2 p.m. Thursday, Aug. 15, hosted by Hartnagel Building Supply at 3111 E. Highway 101 in Port Angeles. Representatives from CertainTeed will be conducting installation demonstrations and providing information on weather-resistant WeatherBoardTM fiber cement siding, which is available in lap siding, individual shakes and shake panels. Call 452-8933 for more information.