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Need a product quickly? Call our Ladder Sales Hotline on 01633 281800

FREE UK Delivery   12 Month Warranty*

Surveying RAAC (Reinforced Autoclaved Aerated Concrete) structures is a critical task that requires precision and safety.

Chase Manufacturing Sectional surveyor’s and Combination Ladders are two indispensable tools for surveyors in this field, as they provide the necessary height and stability required for accurate measurements and inspections.

In this article, we will explore the safest way to survey for RAAC aerated concrete using CHASE Ladders products. We also make a range of other ladders, steps and work platforms that can also be used for this important task.

Understanding RAAC Aerated Concrete

RAAC aerated concrete is a lightweight yet sturdy construction material known for its excellent insulation properties, fire resistance, and durability. It is used in various construction applications, including residential and commercial buildings. To ensure the structural integrity of RAAC structures, regular surveys and inspections are essential.

The Importance of Safety in Surveying

Safety should always be the top priority when surveying RAAC aerated concrete structures. The inherent lightweight nature of RAAC makes it susceptible to damage from excessive pressure or weight. Surveyors must take precautions to prevent accidents, protect themselves, and maintain the structural integrity of the building.

Switchback Combination Ladders

Choosing the Right Equipment

CHASE Surveyor’s Ladders

Chase Ladders are sectional ladders that can be easily carried in a car boot but slot together easily to safely access on sloping surfaces roofs or RAAC walls. They can be fitted with lateral stabiliser bars for increased security.

CHASE “Switchback” Combination Ladders

Combination Ladders are versatile tools that can be used in various configurations, including as a straight ladder, step ladder, or shorter shelf type ladder. This adaptability is valuable when surveying RAAC structures of different heights and angles.

Safe Surveying Practices

  1. Pre-Survey Inspection:
    Conduct a thorough inspection of the RAAC structure before climbing the ladder. Look for any visible cracks, damage, or weaknesses that may affect ladder placement.
  2. Ladder Placement:
    Ensure that the base of the ladder is on stable ground, and use ladder levelers or anti-slip pads if necessary to prevent slippage.
    The top of the ladder should rest against a stable surface, such as the RAAC wall or an approved stabiliser.
    View our Ladder Calculator for more information.
  3. Proper Climbing Technique:
    Maintain three points of contact when climbing: two hands and one foot or two feet and one hand.
    Ascend and descend the ladder carefully, avoiding sudden movements that could throw you off balance.
  4. Weight Distribution:
    Avoid placing excessive weight or pressure on the RAAC structure. Distribute your weight evenly to minimise the risk of damage.
  5. Safety Gear:
    Wear appropriate personal protective equipment (PPE), including a hard hat, gloves, and non-slip footwear.
    Use a safety harness when working at considerable heights for added protection.
  6. Teamwork:
    Whenever possible, have a colleague assist you by stabilising the ladder and providing support.


Remember that safety should always come first, and thorough equipment maintenance and safe surveying practices are paramount to a successful and secure surveying process.

By employing CHASE ladder products and adhering to strict safety guidelines, surveyors can conduct their work efficiently while minimising risks to themselves and the structures they are inspecting.

Photo by ready made

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