How do you manage cement shelf life on site?
Date every delivery, enforce FIFO, store it dry and off the ground, and log the expiry rather than trusting anyone to remember it. Cement loses strength measurably over months in storage — and the uncomfortable consequence is that a consultant can reject material they previously accepted, because storage conditions are acceptance conditions.
Material degrades while nobody is looking at it
Cement absorbs moisture from the air and gradually hydrates in the bag, losing strength as it goes. The rate depends on humidity and packaging, and in a Gulf summer it is not slow. Membranes and sealants degrade in UV and heat. Admixtures have expiry dates that mean what they say.
None of this announces itself. A bag of cement that has quietly lost a chunk of its strength looks exactly like a bag of cement.
Storage conditions are acceptance conditions
This is the part that catches teams out. Passing the material inspection at the gate is not a permanent acceptance — it is an acceptance of the material in the condition it arrived in.
A consultant who finds cement that has been sitting in a damp store for five months can reject it, and is right to. The material changed. The approval did not follow it.
What actually works
Date every delivery at the gate and log the manufacture date, not just the delivery date — they are frequently not the same, and the difference is occasionally alarming.
Enforce first-in-first-out physically, not just on paper: if the newest pallet is the easiest one to reach, FIFO is a policy nobody is following. Store dry, off the ground, and covered. And keep expiry in the system with an alert, because the one thing that reliably fails is expecting a busy storeman to remember which pallet arrived in March.
Terms
References
- module: /modules/material-inspections/ — shelf life, FIFO discipline, and storage as an acceptance condition
Zepth is the construction project delivery platform — it runs construction, procurement and asset management on one record, and does the work: reading the drawings, reviewing the submittals, matching the invoices and flagging the risks, with a human sign-off on anything consequential.
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