Certus is an independent engineering consultancy specialising in the design, surveying, compliance and certification of commercial concrete floors.  We work with asset owners, engineers, builders and contractors, providing clear, practical advice from early design through to construction and certification.

Services include:
– Concrete floor slab design and construction monitoring (PS1-PS4) 
– Floor flatness and levelness (FFL) surveying (DM / FM)
– On-site QA and verification
– Reo pull-out testing
– Slip resistance and abrasion testing
– Independent certification and reporting
- General concrete consulting 

Certus has design, inspection and construction experience across steel fibre reinforced concrete (SFRC), mesh and bar reinforced slabs, post-tensioned and joint-free slab systems, industrial and commercial floors, heavy-duty pavements and specialist concrete structures. Our work commonly references TR34, EC2, AS 3600, ASTM E1155, EN 15620 and Concrete NZ Technical Specification 01:2021, and includes floor compliance assessments, on-site QA, fibre distribution verification, structural appraisal of existing slabs and technical advisory support.

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