Brick and Block Estimator WHAT IT IS A brick and block estimator for builders, in HTML format, that estimates bricks or blocks for a wall area including a mortar and wastage allowance. HOW TO USE (5 STEPS) 1. Open brick-block-estimator.html in a browser 2. Enter wall length and height 3. Pick bricks or blocks 4. Set the wastage allowance 5. Use the order quantity when buying REQUIREMENTS Any modern web browser. No internet needed after download.