A classic (seamless) wall finish brings the stretch-ceiling membrane to the wall without an architectural shadow gap. The edge sits in a profile and, if needed, a cover strip — not a floating perimeter.
Alumineu series: CLASSIX (harpoon, PVC). EN AW-6063 T5; B2B, warehouse Poland. Dimensions only on the PDP — no invented millimetres.
CLASSIX ≠ INVISIA (shadow gap) ≠ FLOATIA (LED shadow gap). Choose the job first: gap yes/no. Systems overview: `stretch-ceiling-systems-intro`. Harpoon vs clip: `harpoon-vs-clip`.
No prices in prose.
### FAQ
CLASSIX or INVISIA? CLASSIX = no architectural gap. INVISIA = shadow gap — `what-is-shadow-gap`.
Is a cover strip required? Only per the SKU kit on the product card.


