Underdock Supports

Our Under dock Support is the most stable method available for supporting your dock. Built from heavy duty 2 3/8″ square tubing with welded cross members, it will not twist or sway under heavy use. Designed with a low profile makes it any excellent companion to the Deluxe Vinyl Dock. Includes stainless steel and brass hardware for long life. Available in; Standard (Expands 35″-49″), 6′ (71″ Inside), 8′ (95″ Inside), 12′ (142″ Inside), and 16′ (190″ Inside) with 1 center support models.

Telescoping 3 foot to 4 foot

**Underdock style trusses can be used to create platforms**

Bumper Available

Leg options include

Underdock style platforms

90 Degree Underdock Support for “L”-Type Layouts

Ultra Crossarms

Designed in-house to be the superior alternative to traditional dock support methods. Our Ultra Crossarms are welded from heavy duty aluminum tubing and include stainless steel and brass hardware to insure long life. The highly versatile Ultra Crossarms can be used with 2″ aluminum or 2″ steel posts and any of our Base Footing Options to suit any shoreline application. Available in a variety of lengths to support single width docks as well as create platforms.

12’x10′ platform using a 12′ Ultra Crossarm constructed with 2″x4″ aluminum tube

Rugged all welded construction eliminates the “wiggling” experienced with traditional dock supports

12’x10′ platform using a 12′ Ultra Crossarm constructed with 2″x4″ aluminum tube

Includes stainless steel and brass hardware and PVC sleeve for a long service life

Traditional Support Options

Our line of traditional support options are the perfect choice for the budget minded. Made from stamped aluminum which will not crack or break like inferior cast-molded products. Includes all necessary hardware. Fits 2″ Steel or 2″ Aluminum crossarms and posts.