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

Foundation Options: RibRaft, Rafts and Piles — How We Choose the Right One

Fil Engineers

Published on: 04/10/2026

A plain-language look at foundation options for NZ homes — RibRaft-style rafts, piles and footings — and what decides which one fits your site.

foundationsribraftpilesNZS 3604residential construction