Corten stainless steel bracket

Retaining wall set out guidelines

Based on retaining  flat ground with no surcharges

Pile hole depths and diameters, assume good bearing soils.

Timber post and 1st Corten panel

corten stainless steel bracket

Retaining prices

Corten steel makes long lasting garden retaining walls and planters

Timber post and 2nd Corten panel

corten panel and timber post

Click for Retaining Wall Set Outs

Corten retaining walls need good drainage behind them

stainless steel bracket and M8 bolts

Use M10 stainless steel bolts when attaching brackets to treated timber retaining wall posts

Shear strength of 5.5mm stainless steel TEK screw 3.05KN (311 kgs) for each TEK screw securing panel to stainless steel bracket

masonry anchors stainless steel

Use M10 masonry anchors when attaching brackets to concrete walls

Safe working tensile load with 40mm embedment of 3.5KN (356 kgs) per anchor

coach screws bracket detail

Use M10 stainless steel coach screws when attaching brackets to treated timber rails

10mm screw allowable withdrawal force in 17mm plywood of 0.3KN (30.5 kgs per screw) or 0.018KN per mm of plywood

bracket to concrete block wall

Example of corten bracket fixed to masonry wall

2mm corten panels approx 21kgs per face m2
3mm corten panels approx 29kgs per face m2

Example of corten bracket fixed to 125mm x 125mm treated retaining wall post

stainless steel bolts and washers

For retaining walls, use stainless steel M10 bolts, which are stronger than coach screws

Corten stainless steel bracket, panels straight

Each stainless steel bracket is bolted to the timber posts, using 2 off  M8 stainless steel bolts.

BRANZ warns against using zinc coated fasteners in wet treated timbers, as the timber preservative chemically reacts with the zinc.

For retaining walls over 600mm tall the brackets should be no further apart than 300mm vertically

The corten panels are secured to the stainless brackets using stainless steel TEK screws 5.5 x 25

Corten stainless steel bracket, allows up to 30 degree angle (convex or concave)

corten curved wall bracket

Corten stainless steel bracket, with slots for TEK screws

Slots allow both convex and concave curved walls to be built

corten stainless steel bracket

Modern garden using corten steel retaining walls

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corten steel garden wall retaining plants

Modern garden using corten steel retaining walls

corten garden planter acting as a retaining wall

Modern garden using corten steel retaining walls

corten terraced retaining wall, and steps

Modern garden using corten steel retaining walls