Retaining Walls

Retaining Wall Products

Our Precast retaining wall block system “Loc-Block” is a versatile option for various types of retaining walls. From small decorative walls to large scale commercial retention walls, there is no job too big or too small for Loc-Blocks. Loc- Blocks are easy to set, low maintenance and durable. 


Loc Block walls can be built as gravity walls or as geogrid walls, Pepin Precast can provide stamped engineered plans where it is required.

Two Sizes Available

Full Size Loc Blocks

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The Loc BlocTM system is designed for both large and small retaining wall projects, and uses an interlocking design for ease of installation and superior strength. These products are perfect for both contractors and homeowners alike, they are simple to construct and more stable than a traditional poured concrete wall.


  •  1’4” x 4’ x 2’ standard base sizes
  •  Corner, step, cap, and other block configurations available

Half Sized Landscape Blocks

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For smaller applications check out our landscape blocks. Being roughly half the size of the loc-blocs they are lighter weight and easier to maneuver into tighter spots, while still giving a professional look and structurally strong wall. Backfill and flat caps are available.


  • 1’ x 2’ x 2’ standard base size
  • Corner, step, cap, and other block configurations available


Two Cap Styles Available

Backfill Style Cap

Broom Finished Flat cap

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Backfill Style cap block: Backfill style caps are great for backfilling right up to the edge of the wall with stone, mulch, loam, or whatever desired material you choose. They are also good for mounting fences to in taller wall applications.

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  • House Retaining Wall - Sanford, ME - Pepin Precast

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6” Tall Broom finished Flat Cap: Flat caps are great for smaller decorative walls where walking or sitting on top of the wall might be applicable or for wall were both sides are above grade.

Backfill Style Cap

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Backfill Style cap block: Backfill style caps are great for backfilling right up to the edge of the wall with stone, mulch, loam, or whatever desired material you choose. They are also good for mounting fences to in taller wall applications.

Broom Finished Flat cap

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  • House Retaining Wall - Sanford, ME - Pepin Precast

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6” Tall Broom finished Flat Cap: Flat caps are great for smaller decorative walls where walking or sitting on top of the wall might be applicable or for wall were both sides are above grade.

Loc-Blocks Brochure

Bin Blocks

Bin Blocks are used for retaining walls and barriers. Storage bins are also available.

4 X 2 X 2 4' Bin Block (2370 lbs)
6 X 2 X 2 6' Bin Block (3555 lbs)
8 X 2 X 2 8' Bin Block (4740 lbs)

Additional Products

  • GeoGrid in various dimensions
  • Filter Fabric, Silt Fence, Drainage Pipe, Crushed stone for backfilling

We specialize in replacing and building new retaining walls along lakes, rivers, and other bodies of water. You will see Loc block walls along Mousam Lake, Square Pond, Great East Lake, Sebago Lake, Long Lake, Lake Winnepesauke, Number One Pond, Mirror Lake, Loon Pond, and many more!

Professional engineering plans available on request

For a consultation on your next retaining wall, call: 207-324-6125