Alternatives include stone, rainscreens, fiber cement siding, engineered wood, or brick veneer ... approach uses an outer layer that protects against moisture while allowing air circulation ...

Ordinary brick is much too porous and soft for paving ... Check the height of the crushed stone against the guide strings. When it is at the proper height, remove the strings to provide better ...

Now, suppliers like Albion are investing in machinery to cut this stone into bricks. According to Poultney, the carbon footprint is 75 per cent less than a typical fired clay brick In production ...