Corkjoint Permaban | Armoured Joints and Dowel Systems

Armoured joints are used to create a boundary in which to contain a day’s concrete pour. As the concrete sets and contracts, the two sides of the joint (held together with frangible rivet connectors) are gradually pulled apart horizontally. Dowels fixed through the centre stop the slabs moving vertically and allow for load transfer between the two sections of the floor. Once the floor has contracted, the gap between the two sides can simply be filled with a suitable joint sealant.

Advantages

Armoured joints protect construction joints from damage with our armoured joints. Our armoured joints (properly called “leave-in-place joint systems”) offer four important benefits:

• They act as a permanent formwork, creating a secure boundary or day joint during the concrete pour

• They allow the concrete slab to contract in a controlled way, to prevent random cracks occurring

• They protect the construction joint arises from impact damage once the building is in use, saving the expense of repair

• They allow efficient load transfer between concrete slabs, for a stable and durable floor

• Permaban Wave

  Permaban Wave® is the versatile, impact-free plate joint that’s easy to install. Its triple curve design has no straight edges, so MHE crosses smoothly in any direction. The narrow top plate aids stability and levelling. An extension plate allows installers to choose the correct joint height, then use excess stock on the next job site.

• Permaban Signature

  Permaban Signature® is an armoured joint like no other. The clever half-hexagon shape prevents the wheels of materials handling vehicles from dropping into the gap between the two edges of the joint. Because there’s no impact, there’s no damage to either the joint or the truck. Winner of Most Innovative New Product, UK Concrete Show 2012.

• Permaban Eclipse

  Eclipse is a tough, hard-working armoured joint for heavy-duty applications. A high-tensile steel triangular section reinforces the top edge of the joint, so it can withstand heavy and persistent traffic. The full-height divider plate adds to its strength and rigidity, making Eclipse a versatile and economical alternative to a traditional-style joint. Galvanised as standard for internal and external use.

• Permaban Alpha Joint Classic 4010

  Well known as the ‘industry standard’ armoured joint, this remains a popular choice for many projects worldwide due to its strength and versatility. It is now supplied with Permaban’s Universal Divider Plate, with pre-set positions which allow installers to choose the correct joint height, then use excess stock on the next job site.

• Permaban Beta Joint Range

  Tough and sturdy, yet remarkably light – the Beta Joint range offers medium-duty construction joint protection in concrete floors and pavements. Continuous concrete ties ensure firm anchoring into the concrete along its entire length. Choose BetaExpansion (pictured) for external slabs; and BetaEdge if using traditional removable timber or steel formwork.

• Permaban Signature Slide

  No impact, no damage, no gap! SignatureSlide’s clever double-plate top ensures no gap is exposed when the joint opens. Designed to cover larger gap sizes, it is ideal for jointless floors, post-tensioned floors and cold/freezer stores; and also where debris or substances might enter the gap. Continuous concrete ties ensure firm anchoring.