Independent surveys and structural testing from a local chartered technical architect firm: aluminosis (high-alumina cement) tests, pre-purchase surveys, expert reports and works supervision. 1,000+ lab tests on record.
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Most of our international clients need one of these two. Both come with a signed report by a licensed technical architect (colegiado nº 10385, CAATEEB).
Lab testing for high-alumina cement in concrete beams — Barcelona's hidden defect in 1950–1975 buildings. From €245 + VAT, report in 7 days.
View service →A surveyor checks the flat and the building before you sign anything. Clear report, repair estimates, negotiation leverage.
View service →We are SLZ, Ingeniería y Arquitectura (brand: SINLUZ), a Barcelona building-surveying and engineering practice working since 2004: 12,000+ case files opened, 3,000+ commissions completed, and the longest private series of aluminosis lab tests we know of in the city — 1,000 and counting.
We work with fixed prices and written deadlines. WhatsApp is the fastest way to reach us — a member of the technical team replies, in English.
Measured, documented, signed.
Send us a WhatsApp — we reply within 24 working hours, in English.
Three details and we continue in your WhatsApp — a member of our technical team replies.