slumpstone

plural slumpstones

1. countableuncountableLarge concrete blocks with a rough-hewn texture that imitates field stone, or a single such block.

   However, with adobe brick, slumpstone, or rubble walls, heavier framing will give a better appearance for the roof structure.

   1967, Paul Corey, Holiday Homes, page 106

   2 more examples

   Slumpstone is used for the chimney and a pair of steel rods should be bridged across the top to support the front row of slumpstones.

   1965, The Practical Handyman's Encyclopedia, page 212

   Textured and casual finishes are more at home in most gardens than slick and precise types. The effect has a Spanish or Mediterranean feel and fits in well with rough plaster, slumpstone and tile roofs.

   1987, Ken Smith, Western Home Landscaping, page 43