Technical Comparison
Screw Anchors vs. Concrete Deadweight Blocks: The Definitive Comparison
A 4-metre helical screw anchor in sandy bottom delivers 20–50 tonnes of holding capacity. To match that with concrete, you need a 12–15 cubic metre block weighing 25–30 tonnes. The data makes the choice obvious.
Scale Comparison
What You're Actually Choosing Between
To match the holding capacity of a single 4-metre screw anchor, you need a 12–15 m³ concrete block. Here's what that looks like.
Convinced? See Exactly How We Install Them.
From site assessment and soil analysis through hydraulic installation, torque recording, and on-site capacity certification — our five-step process leaves nothing to chance.
See How We Install Screw Anchors