Willow Spiling Bank Stabilisation

Willow spiling is a traditional form of riverbank stabilisation or revetment. Carried out during winter or early spring, live willow rods are woven around upright willow posts driven into the stream bank where erosion and collapse is occurring. In spring, these living willow rods and posts send out shoots and roots into the bank holding the soil firm, thus solving the problem.

This method is a soft form of river engineering, requiring minimal heavy equipment and so causing least disturbance to the river environment. A rough-finished surface to the wall of spiling is preferable. Such a surface slows the river flow near the bank allowing the slow moving water to deposit the silt and mud it carries, thus adding to the protection of the riverbank. Overtime, the increased deposits and the spreading willow roots stabilise the bank and create a naturalised wildlife habitat.

Willow Spiling Bank Stabilisation - Examples

<span>Ref: D1</span><br>Winter: willow rods woven about willow posts driven into the bank. The rough finish reduces the river current protecting the bank and is an ideal site for nesting birds. <span>Ref: D2</span><br>Spring: willow rods and posts put forth strong growth. This green engineering has an attractive appearance. No unsightly metal piles or rock filled gabions. <span>Ref: D3</span><br>Terracing around a ramp allows access to the river. <span>Ref: D4</span><br>Protecting a garden from erosion and showing early spring growth. <span>Ref: D5</span><br>Stout living willow posts driven into the ground at half metre intervals. <span>Ref: D6</span><br>Living willow rods woven between the posts, awaiting backfilling with soil. <span>Ref: D7</span><br>The backfilled soil is supported by the attractive woven fence, without unsightly metal shuttering or gabions. <span>Ref: D8</span><br>The back filled soil will eventually become colonised by natural river side vegetation. <span>Ref: D9</span><br>The willow posts and rods will root into the bank helping to stabilise the soil. <span>Ref: D10</span><br>Long willow posts ready for use at the sight of this river bank erosion. <span>Ref: D11</span><br>The willow is already sprouting, despite the absence of any river or pond. <span>Ref: D12</span><br>Plenty of summer regrowth with roots already penetrating the stream bank, increasing its stability. <span>Ref: D13</span><br>Low willow spiling creates terraces in this steep garden, allowing easier access.

Willow Spiling Bank Stabilisation - Prices

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