A louvered pergola Singapore homeowners can use throughout the year needs to do more than create shade. It must release trapped heat, respond quickly to rain and move water away from the living area. Adjustable aluminium louvers make this possible by changing the roof from open and ventilated to sheltered within moments. https://smartshades.com.sg/outdoor-roofing/louvered-pergola-singapore-adjustable-shade-for-tropical-living/