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We Do Docks

Since 1956

Boat Dock Sections

The Alumi-Span system uses 4" high "F" shaped side stringers that hold a variety of different dock materials. Standard dock sizes are: 10'X4', 10'X3', 8'X4', 8'X3'. Choose the smaller sizes for even lighter weight. Series "B" sections come in 5'X4' & 5'X3' sizes. Dry weights of all sizes are shown below. Special sizes can be built up to a 12' length to accommodate the exact width of your boat lift for easy boat canvas removal.

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Dock Materials

 

Anodized Aluminum

Alumi-Span originated the all aluminum boat dock in 1956. Nothing's lighter - nothing's cooler - nothing's stronger. Better yet, these docks offer superior value since they last almost indefinitely. Don't be fooled by cheaper "non-anodized" units. Anodized aluminum is also the easiest to clean. Unlike some competitive units, our docks are made with a strong alloy and our acid-etched anodizing process will not turn black over time. Our dock boards interlock together and then are fastened with stainless fasteners. Tough adhesive is added to eliminate squeaks and rattles.

Anodized Aluminum

Vinyl - White, Sand, Grey

No flimsy plastic here! Our strong vinyl dock design includes a unique center aluminum "U" support to provide a solid feel. These docks are much lighter than pine and cooler to walk on. Don't fall for super heavy "composite materials" that fade and sag in hot weather. Some competitive docks have lots of holes making them very uncomfortable to walk or lay on. Many vinyl docks squeak - ours doesn't! It's great looking and comes in three colors.

Vinyl

Western Red Cedar

Western Red Cedar has the advantage of being less expensive than our no-maintenance aluminum and vinyl docks, but unlike pine, it only weighs a little more. The Cedar comes with our free factory applied oil finish - it looks great. In addition Cedar is naturally resistant to fungus and rot. 4' wide sections come with a supported aluminum center "T" stringer to prevent sagging over time.

Western Red Cedar

Treated Pine

Our most economical dock still includes anodized stringers, premium grade lumber with very few knots and corrosion resistant fasteners. Treated pine, while heavier, is very strong and lasts for many years. 4' wide sections come with a supported aluminum center T stringer to prevent sagging over time.

Treated Pine

Re-Deck

If you have an older wood decked Alumi-Span dock or some other brand using 4" high aluminum side stringers, you can usually rebuild it. The most common way to rebuild the sections is using new anodized aluminum deck material. This offers substantial savings over the cost of new aluminum sections. Advantages include light weight, no splinters, and easy cleaning. Best of all, it will last virtually forever.

Re-Deck

Staining

Our wood docks use only premium grade materials but their longevity can be enhanced with factory staining. Our Cedar docks come stained at no additional charge. Staining is an option on our pine docks. The boards are individually stained before assembly assuring 100% coverage. The stain has a transparent tint and lets the grain of the wood show through. Typically the bottom of the docks doesn't have to be re-stained and the tops will resist deterioration for up to five years.

Staining
STANDARD DOCK SIZE 10' x 4' 10' x 3' 8' x 4' 8' x 3' 5' x 4' 5' x 3'
ANODIZED ALUMINUM 105# 85# 84# 68#    
VINYL 112# 92# 89# 74#    
CEDAR 120# 90# 96# 72#    
TREATED PINE 148# 124# 118# 94#    
SERIES B         55# 45#