STRI subscriptions are ideal for all turf professionals, companies and individuals
who wish to keep up-to-date with all the latest developments in the industry.

We offer STRI subscriber, Bulletin, trade and premier club trade packages tailored to suit your needs.

So why not take out an STRI subscription today?

If you are already an STRI subscriber and would like to request
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Green infrastructure

STRI is an official green roof testing house for The GRO Green Roof Code.

Our research team offer green roof substrate testing according to standards set by GRO and German FLL Guidelines. In addition, we also help clients to develop bespoke substrate mixes which are fully compliant with GRO and FLL guidelines.



Green roof terrace


Standard substrate tests include:


Physical testing

Chemical testing

Biological testing

Density Plant available nutrients Biological compatibility
Porosity Total nutrients Germination success
Permeability pH Mycorrhizal potential
Organic matter content Electrical conductivity Drought tolerance
Particle size distribution Heavy metal presence
Water holding capacity
Particle density


Other substrate tests are available on request.




Green roof consultancy

We provide a consultancy service to assess the physical and ecological condition of installed roofs. Site visits include advice on infrastructure management plans, remedial action to improve roofs and ecological surveys of flora and fauna.



Green roof planting



Design and planning advice

STRI’s planning department will advise on the design and implementation of new building developments, specifically those involving the integration of green infrastructure.



Our product development manager @striturf_tomy is at @Wearabletecshow 2018 looking at all the latest developments i… 04:29 PM Mar 13th