Materials - Stone

Question 1

rough stone (field stone)

Answer 1

natural stone used decoratively

Question 2

rubble stone

Answer 2

irregular stone with at least one good face used for ashlar veneers, copings, sills, curbs etc.

Question 3

dimension stone

Answer 3

cut stone for surface veneers, toilet partitions, flooring, stair treads, etc.

Question 4

flagstone

Answer 4

thin slabs for paving, treads, countertops, etc

Question 5

monumental stone

Answer 5

sculpture, monuments, gravestones

Question 6

crushed stone

Answer 6

concrete aggregate, asphaltic concrete, terrazo, built up roof surfacing, granular fill

Question 7

stone dust

Answer 7

filler in asphaltic flooring, shingles, paints, etc.

Question 8

types of stone (3)

Answer 8

igneous (granite); sedimentary (limestone, sandstone, bluestone, brownstone); metamorphic (marble, soapstone, slate)

Question 9

rubble v ashlar

Answer 9

natural rough v smooth dressed

Question 10

coarsed v uncoarsed

Answer 10

continuous horizontal joints v random

Question 11

bond stone

Answer 11

largest dimension perpendicular to wall face to tie wall to backing

Question 12

mortar

Answer 12

portland cement, sand, lime & water; clean & free of organic material, grading based on thickness of joint; lime putty or hydrated lime improves workability and water retentivity, reduces strength; admixtures not recommended for high bond applications (except powder coloring agents)

Question 13

Type M or S, N & O mortars

Answer 13

M or S (weather exposed or load-bearing); N & O (mortars lesser compressive strength required)