The design of the Carmel tree grate is somewhere between urban paving and the gap that is necessary to plant a tree. It is an element that acts as a transition between the generally orthogonal geometry of paving and the circular perimeter that surrounds a planted tree.
The authors designed the Carmel tree guard in collaboration with the technical services of ONCE (the Spanish Organisation for the Blind), to improve accessibility in the Carmel neighbourhood in the city of Barcelona. The success of the Carmel 120 led to the edition of the rest of the collection, with larger and smaller diameters. The ring-type system is inspired by the concentric rings of the economical wood or coal-fuelled stoves that existed at the start of the 20th century.
The collection has a series of variants with an outer square concrete or a circular steel frame. Carmel 160, 120 and 100 are elements formed by two pieces of prefabricated concrete. The plane of the paving inside it can be optionally lengthened with one or two concentric rings made from cast aluminium. Carmel Circular 160 and 120 have the steel circular frame with the same circular cast aluminium rings. The exclusive use of the concrete frame or circular steel frame without the aluminium rings is an economical solution that adds improved accessibility as compared to conventional solutions with a square format.
Reinforced, dry-mix concrete frames and a rough, water-repellent etched finish. Galvanised steel frames coated with black paint for a wrought iron-like effect. Cast aluminium rings coated with black oven-enamelled paint for a wrought iron-like effect. Carmel with a concrete frame is recommended as a guard for trees in the presence of paving slabs. Carmel Circular is recommended for seamless “in situ” asphalt or concrete slab paving.
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