Standards and PAS guidance

This section of the site includes guidance on the British concrete standard BS 8500 and an overview of standards relating to aggregates, admixtures and cement in concrete, reinforcment, precast concrete, novel cements as well as workmanship.

Standards for cement, aggregates, admixtures

Concrete specification for cement, aggregates and admixtures

BSI Flex 350

BSI Flex 350 v2.0 was published September 2024. It is a document that describes a method by which concrete produced containing a lower carbon non-standardised cement (binder) can be assessed for use in structures.

Standards for concrete, BS 8500

This page provides information on BS 8500 and BS 8110

Standards for precast concrete

Standards for precast concrete

Standards for reinforcement

Standards for reinforcement

Standards for workmanship and temporary works

Standards for workmanship and temporary works

Forthcoming events

24

Sep

Sustainability in Practice: Inspiring Projects, Practical Insights

18:00 - 21:00

Free

29

Sep

Sustainability Series: Carbon classifications and alignment with BS 8500 and EN206-1:2026

13:00 - 13:30

Free

01

Oct

Sustainability Series: Where do I start with specifying lower carbon concrete?

13:00 - 14:00

Free