Crib Wall

Prolam Crib Wall is a unique retaining crib wall system offering Engineers, Architects and Customers a number of distinct advantages:

  • Durability - internationally certified design life of 125 years, and standard industry 50 year warranty against decay and termites
  • Economy - significantly cheaper than other retaining wall types
  • Appearance - soft natural timber and stone appearance can be further enhanced by planting directly into the wall face
  • Environmental - manufactured from 100% sustainable NZ plantation radiata pine (FSC & non-CCA treatment options available)
  • Ease of Construction - readily constructed by any competent builder or even DIY
  • Seismic Performance - outstanding structural performance through the 2010 & 2011 Christchurch earthquakes
  • Technical Support Services available

Prolam Crib Walls can be used in many different ways, it has been used as sound barriers as well. Retaining walls can be designed up to 8.0M high. Can be used on curved walls. Can be stained different colours to create patterns.

Prolam crib retaining wall can be used on walls up to 1.5m high without consent, anything over 1.5m will need consent and an engineer’s design. The site requirement form will need to be filled out for the engineer report to be completed.

Features & Benefits

Cost Effectiveness

High weight-to-strength ratio of Prolam allows for maximum loads over large spans with the smallest possible end sections.

Product Quality

Prolam manufactured in accordance with AS/NZS 1328 Glue Laminated Structural Timber standard.

Fire Safety

Extensive fire test data shows that Prolam beams maintain structural load support for measurable periods of time in fire situations.

Design Flexibility

Prolam can be curved to virtually any radii without loss of strength and manufactured specifically to the designer’s needs.

Renewable Resource

Made from renewable New Zealand plantation timber, Prolam uses14 times less energy to produce compared to the equivalent steel beam.

Chemical Resistance

Prolam works well in harsh environments as it does not rust and the glues used are service class 3 certified.

Why Choose Prolam

Engineered Structural Timber Solutions

Specify with certainty