Cement Curbs are considered essential elements in paving and site landscaping works, serving as structural and aesthetic dividers between sidewalks and roads, or for defining planting beds and pathways. Here are the most important technical details and types used in the Saudi market and construction projects: 1. Common Types by Use The types vary based on shape and size, and among the most prominent are: • Road Curbs: These are large and highly durable to withstand vehicle impacts and define the edges of main roads. • Sidewalk Curbs: Used to separate pedestrian walkways from parking areas. • Garden Curbs: Smaller in size and less thick, used to define green spaces or pathways within gardens. • Flush Curbs: Used at garage entrances or for accessible pathways to facilitate movement. 2. Manufacturing Methods There are two main methods for producing cement curbs: • Hydraulic Pressed: This is the best and most durable method, where concrete is pressed at very high pressure, reducing porosity and increasing resistance to salts and weather conditions. • Wet Cast: Concrete is poured into plastic or iron molds with mechanical vibration, characterized by a very smooth surface and various decorative shapes. 3. Usual Technical Specifications Curbs are often requested according to the following specifications (especially in municipal projects): • Breaking Strength: Not less than 35 to 40 Megapascals (MPa). • Water Absorption: Should not exceed a certain percentage (usually less than 5%) to ensure they do not erode. • Common Sizes: * 15 imes 30 imes 50 cm (for roads and parking). • 12 imes 20 imes 50 cm (for pathways and gardens). 4. Tips for Implementation or Supply • Foundations: Curbs must be installed on a concrete base (Lean Concrete) to ensure they do not settle or move in the future. • Mortar: Use strong cement mortar to bond the units (joints). • Painting: It is preferable to use epoxy paints or road paints resistant to sunlight to maintain their appearance and for night visibility definition.