Phillips gripSTIK® J-Trim provides a finished edge at door and window openings along with other various wallboard intersections. This durable and impact resistant trim was designed with ease of installation in mind. J-Trim does not require any joint compound and can be nailed or slipped on. Install using standard industry practice. Phillips offers this product in 1/4″ (JT2VYL), 3/8″ (JT3VYL), 1/2″ (JT5VYL), 5/8″ (JT6VYL) and 3/4″ (JT7VYL) .