Granite Retaining Walls, Portland, Maine

Granite Retaining WallTwo crumbling brick and mortar walls were torn out and replaced with dry-laid granite at this Portland home. The walls were built using the ‘single-skin’ method, whereby the wall is built directly against the earth embankment. Face-stones are laid with their weight directed inward (i.e. perpendicular to the line of the wall); and cheaper, rougher stone is carefully packed behind, of sufficient size to support the long ‘through-‘ or ‘tie-stones.’ These tie-backs are essential to the strength of any retaining wall–note in the progress pictures how they extend all the way back to the embankment.
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Granite Retaining Wall

 

Granite Retaining Wall

Granite Retaining Wall

Granite Retaining Wall

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