Technical library
Resources
Ungated specification reference: standards explainers, specification notes and application guides. Written to be useful whether or not you ever buy from us.
- Standards explainerReading rebar conformance: PS 1879, ASTM A615 and BCP-2021Reinforcing steel is a PSQCA compulsory item. Here's how the Pakistan Standard, the ASTM grade and the seismic provisions of the Building Code of Pakistan line up on a mill certificate.Read
- Specification noteCable tray load classes: NEMA VE 1 and IEC 61537 explainedLoad class, safe working load and deflection are often confused. Here's how the NEMA and IEC systems classify a tray's structural performance, and how a coating-thickness figure ties into corrosion class.Read
- Application guideApplying a liquid-applied PU waterproofing membraneThe general sequence for a single-component polyurethane liquid membrane: substrate preparation, priming, coat build to the specified dry film thickness, curing and a flood test.Read
Authorship is currently house-attributed (Alainz Technical Team); named-engineer bylines follow the authorship decision.