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Bali stone (volcanic basalt from Indonesia) is now the reference for pool coping and premium terraces in Morocco. Naturally anti-slip (R11-R12), frost and salt-resistant, deep color stable in sun, 50+ year durability. Imported via specialists, 6-10 week lead time.
Decisive advantages: 1) Natural R11-R12 anti-slip (chlorine + sun don't make it slippery). 2) Salt-resistant (limestone fails in 5-8 years). 3) Stable deep color 30+ years (vs marble yellowing). 4) Cool underfoot. 5) Premium Mediterranean/Asian aesthetic. Drawback: +50-100% vs travertine.
1) Honed (smooth): slippery, indoor dry only. 2) Flamed: thermal-shocked, R11 rough, ideal pool decking. 3) Bushhammered: R11-R12, raw look. 4) Sandblasted: matte velvet, R10. 5) Brushed: between honed and flamed. Moroccan outdoor pool: MUST be flamed or bushhammered.
Black (Bali Black): pure volcanic basalt, heats heavily in sun (50-60°C surface), max elegance. Avoid barefoot midday no shade. Grey (Andesite): 5-10°C cooler, natural discreet look. Beige (Sukabumi): coolest, sandy effect, top choice for families with kids.
1) Perfectly flat reinforced concrete screed. 2) Bonding primer (SikaTop, Mapei). 3) Waterproof flexible C2 S2 adhesive. 4) Double bond (floor AND back) for ≥60×60. 5) Waterproof 4-6 mm joint (Mapei Ultracolor). 6) Stain-protect impregnator every 2-3 years. Experienced tiler MANDATORY.
Mid-range flamed 60×60: 24,750 MAD material. Concrete screed: 5,400. Adhesive + joints: 1,800. Experienced installation: 10,500. Total: ~42,500 MAD = ~1,420 MAD/m² all-in. Premium (Black 60×120 + pool deck): 1,800-2,200 MAD/m².
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