The cost of invisible grilles for HDB flats in Singapore may differ by supplier and is usually calculated possibly by apartment style or per square foot. Packages from suppliers like Endo Grilles start out from $499 for any 3-home HDB, $639 to get a 4-area, and $799 for just a five-home. Top 1 Singapore Security Window has promotional pricing at $1,200 for three-home, $1,five hundred for four-area, and $one,900 for 5-area check here flats. Alternatively, fixed grilles can Price tag from $4.90 for every square foot, when openable varieties are around $18.fifty psf. The ultimate Price is motivated by factors like the grade of stainless-steel made use of (316 can be a quality choice), the size on the window, and set up complexity. Various vendors give these products and services, which includes Mystery Furnishing with showrooms in Outram, Jurong East, and Tampines; DeGrille Pte. Ltd. at 15 Changi North Street one; and Diamond Grille Devices at 47 Kallang Pudding Road. Numerous firms offer free of charge on-web site measurements and rates to provide exact pricing.