Get in touch
Let's
talk.
Whether you're specifying a PassivHaus system, planning a commercial development, or need a technical question answered — our team is here.
UK: +44 (0)20 0000 0000
London, United Kingdom
Select an enquiry type above to get started.
Tell us about your project.
Our technical team has supported architects and engineers across 30+ countries. We'll respond with the right documentation for your specification.
Tell us about your development.
From single residential builds to large commercial schemes — we advise on system selection, specification, timeline and commercial support.
See the material in person.
Physical samples of wood-cement blocks and EPS inserts, sent free of charge. Useful for material reviews and client presentations.
Just the documents you need.
CE certificates, BBA approvals, EPD declarations, thermal registers, datasheets and construction details — compiled and sent within 1 business day.
Ask us anything.
No question is too simple. Pricing, availability, feasibility, or just a first conversation about the system.
38 years of Isotex expertise behind every recommendation — a technical team, not a brochure.
CE, BBA, ETA certified — 150+ source documents available on request.
Dominican Republic and UK — Caribbean, Latin American and European project support.
Free physical samples — wood-cement blocks and EPS inserts delivered on request.
From enquiry to supported project
What happens after you reach out.
Every enquiry is read by a member of our technical team. Nothing automated. Complex specification questions are escalated immediately.
⏱ Within hoursWe respond within 1 business day — usually same day. We include documentation specific to your enquiry: datasheets, certs, EPDs, or technical guidance.
⏱ 1 business daySpecification guidance, sample supply, site visits where needed, and continued technical backup through the project lifecycle.
⏱ Ongoing