N.M. Admin. Code § 14.7.4.10 - CLASSES OF ADOBE
A.
Stabilized adobe. The term "stabilized" is defined to mean
water-resistant adobe made of soil to which certain admixtures are added in the
manufacturing process in order to limit water absorption into the adobe.
Exterior walls constructed of stabilized mortar and adobe requires no
additional protection. Cement stucco or other waterproof coating is not
required. The test required is that a dried four inch cube cut from a sample
unit shall not gain more than two and a half percent in weight when placed upon
a constantly water-saturated porous surface for seven days. An adobe unit that
meets this specification shall be considered "stabilized."
B.
Unstabilized adobe.
Unstabilized or "natural" adobes are adobes that do not meet the water
absorption specifications indicated in Subsection A of
14.7.4.10 NMAC above. Use of
unstabilized adobes is prohibited within four inches of the finished floor
grade. Stabilized adobe or waterproof masonry units and mortar may be used for
the first four inches above finished floor.
C.
TerrÓn. The term
"terrnÓn shall refer to a cut sod brick. Their use is permitted if units
are dry and the wall design is in conformance with this code.
D.
Burned adobe. The term
"burned adobe" shall refer to mud adobe bricks that have been cured by
low-temperature kiln firing. This type of adobe is not generally dense enough
to be "frost-proof" and may deteriorate with seasonal freeze-thaw cycles. Its
use for exterior locations is discouraged in climate zones with daily
freeze-thaw cycles.
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