10' Galvanized Steel Wall
We started with the 10' wall in 1982 and the original wall is still up today. This wall is shipped completely knocked down and must be assembled on site. Because of the extreme pressure on this height of wall and the possibility of sliding out and overturning, we require that it only be bolted to a concrete base.
9' Oak Wood Wall
 The wall is native oak. The bottom 4x4 that sits on the ground and the bottom 2x6 board on the wall are treated lumber to reduce ground deterioration. The face boards are staggered and spaced to allow for maximum strength. The face boards are then covered with a fiber mesh material to allow air intake. This wall can sit on compacted fill because when one frame settles more than the others, wood is more "forgiving" than steel.
Covering Wood and Steel Systems
Our standard covers are woven polyethylene reinforced with a thickness of 12/14 mils. Custom covers are available to meet individual needs and requirements. Additional woven polyethylene thickness, polyethylene string and vinyl covers are also available upon request. The covering is fastened to the top of the wall by nailing strips permanently attached to the top of the frame. Our negative air aeration system holds the cover tight onto the pile.
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Our wall frames are hot dip galvanized after fabrication. The walls are partly pre-assembled in 8' sections and set on a 3' x 3' angle iron with the leg down to prevent slide out of the wall and to prevent uneven settling of the frames which could result in wall failure. A patent has been applied for this application.