Blog & Insights

Expansion joint engineering, waterproofing know-how and project insights from the D SEAL team.

What Is a Backer Rod and Why Does Every Expansion Joint Need One?

The backer rod is one of the least glamorous but most important components in an expansion joint sealant application — and one of the most frequently omitted. What is a backer rod? A closed-cell polyethylene foam…

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DSeal EPDM Seals: The Heart of Every Watertight Expansion Joint

You can have the strongest aluminium frame in the world — but if the seal fails, water gets through. The EPDM seal is the critical waterproofing element in every DSeal joint system. What is EPDM? Ethylene…

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Expansion Joints in Shopping Malls: Covering Every Gap, Every Floor

Shopping malls are among the most complex buildings to detail for expansion joints. Multiple floors, large plan areas, different structural bays, high footfall, and the need for premium aesthetics create a perfect storm of requirements. DSeal…

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