Nelson Testing Laboratories® supports masonry-related material manufacturers and suppliers by evaluating and confirming product performance through independent testing standards. AASHTO (AMRL) and CCRL (ASTM) accredit Nelson Testing Laboratories® according to ASTM C1093 specifically for providing masonry testing services. Hundreds of test methods from ASTM and other testing-related entities are performed by Nelson Testing Laboratories® each year. Below is a list of product types we currently test along with an abbreviated list of related specifications and test methods.
CONCRETE AND RELATED MASONRY UNITS
Specifications
- ASTM C90 (concrete and related masonry units)
- ASTM C1372 (dry cast segmental retaining wall units)
- ASTM C1492 (concrete roof tiles)
- ASTM C1884 (concrete ballast block)
Test Methods
- ASTM C140 (properties of concrete masonry and related units)
- ASTM C426 (shrinkage)
- ASTM C1262 (freeze-thaw resistance)
BRICK
Specifications
- ASTM C216 (facing brick)
- ASTM C902 (light traffic paving brick)
- ASTM C1088 (thin-veneer brick units made from clay or shale)
- ASTM C1167 (clay roof tiles)
- ASTM C1272 (heavy traffic paving brick)
Test Methods
- ASTM C67 (properties of face clay brick)
- ASTM C1072 (flexural bond strength)
- ASTM C1357 (flexural bond strength)
MASONRY MORTAR
Specifications
- ASTM C270 (masonry mortar)
- ASTM C91 (masonry cement)
- ASTM C1329 (mortar cement)
Test Methods
- ASTM C109 (compressive strength)
- ASTM C151 (autoclave expansion)
- ASTM C482 (bond strength)
- ASTM C780 (masonry mortar analysis)
- ASTM C1072 (flexural bond strength)
- ASTM C1324 (hardened mortar analysis)
- ASTM C1357 (flexural bond strength)
- ASTM C1506 (water retention)
- ASTM E514 (water penetration)
LIME
Specifications
- ASTM C206 (hydrated lime)
- ASTM C207 (hydrated lime)
Test Methods
- ASTM C25 (chemical testing of lime)
- ASTM C110 (physical testing of lime)
- ASTM C151 (autoclave expansion)
MASONRY GROUT
Specification
- ASTM C476
Test Methods
- ASTM C1019 (compressive strength)
- ASTM C1611 (slump/flow)
STONE
Test Methods
- ASTM C97 (absorption)
- ASTM C99 (modulus of rupture)
- ASTM C170 (compressive strength)
- ASTM C1028 (static coefficient of friction)
- ASTM C482 (bond strength)
- ASTM C666 (freeze-thaw resistance)
- ASTM C1262 (freeze-thaw resistance)
ARCHITECTURAL CAST STONE
Specification
- ASTM C932 (surface-applied bonding compounds for exterior plastering)
- ASTM C1364 (architectural cast stone)
Test Methods
- ASTM C426 (shrinkage)
- ASTM C666 (freeze-thaw resistance)
- ASTM C1194 (compressive strength)
- ASTM C1195 (absorption)