Jack and Pack: How a House Gets Re-levelled

Fil Engineers

Published on: 13/10/2026

A plain-language guide to jack and pack re-levelling: how piles are jacked, packed and replaced, and when the work needs a building consent.

jack and packre-levellingfoundationspilesNZ building

Concrete Curing, Joints and Finish: Getting a Slab Right After the Pour

Fil Engineers

Published on: 10/10/2026

A plain-language guide to curing, control joints and finishing concrete slabs in NZ, and why the first few days after a pour matter.

concretecuringcontrol jointsslab finishNZ building

Fil Engineers

Published on: 10/10/2026

A plain-language guide to which concrete slab cracks are normal shrinkage and which ones need a closer look from a structural engineer.

concreteslab crackingfoundationsstructural engineeringNZ building