We stock ADS N-12 / Hancor Sure-Lok soil tight, double wall pipe. Double wall pipe has a smooth interior and corrugated exterior. The N-12 / Sure-lok style has a bell and spigot design, so it is also self-coupling. According to the manufacturer, “it provides superior corrosion and abrasion resistance making it an excellent alternative to reinforced concrete and corrugated metal pipe.” It works very well as plastic culvert pipe for driveways.
Double wall pipe is stocked in 20′ lengths in the following diameters: 4″, 6″, 8″, 10″, 12″, 15″, 18″, 24″, 30″, and 36″. Additional sizes and lengths are available upon request.