1985 - LDI advances and enters the corrugated plastic industry.

1992 - Trimline Building Products is introduced to the family of LDI companies. Trimline manufactures shingle-over ridge vent attic ventilation systems.

2000 - StormStop, a spun-bound nonabsorbent membrane that allows air to pass through while preventing water and debris infiltration becomes an added feature to product line.

2003 – First to manufacture on the roof intake and off-peak vents which provide solutions to problematic venting challenges.

2004 – Pass all safety requirements for fire performance, hail resistance and/or resistance to wind uplift to receive UL Class A.

2008 – Expand product line by introducing Furring Strips as an alternative to wood furring. These extend the life of the siding and paint by eliminating heat and moisture build-up.

2009 – Multi Roll Multi-Purpose Vent enters the market as a new product line. The best solution that solves three different ventilation challenges: off-peak exhaust, lower intake and shed (clerestory) applications.

2013 – Quarrix enters the pipe flashing market with the Pipe Boot, an all-steel weatherproof pipe flashing that protects against plumbing vent leaks through extreme weather conditions.

2015 – Launched Flex Roll, a low profile soft ridge vent made of non-woven and non-wicking material. Lightweight, flexible and easy to install.

2015 – Offers a better way to vent with the launch of Aviator ridge vent. Aviator features a patented “hyper foil” design which provides better airflow in the attic and also features a clog-free baffle.