GLOSSARY - What are Some Common Terms and Acronyms Used in the Hypert

peakpoetJanuary 1, 2013

Accelerator - Ingredient added to increase hydration, shorten set and cure times.

admix - Admixture.

admixture - Generic term for non-bulk material added to 'tufa; also an abbreviation for acrylic bonding admixture, which increases strength while reducing moisture absorption in 'tufa.

aggregate - Any dry bulk material added to 'tufa other than portland cement and sand.

air entraining agent - ingredient added to 'tufa mix which captures miniature air bubbles during the mixing process, reducing the harmful effects of freeze-thaw cycles.

alginate - One-time use mold-making material used primarily for body casting.

armiture - "Skeleton" or support struture for a large 'tufa project.

Bug holes - Small holes in castings caused by air bubbles.

BRB - Be right back.

BTW - By the way.

Casting - End product of molding process.

cement - See portland cement.

chicken wire - A light galvanized wire fencing usually made with relatively large-sized hexagonal mesh. Can be layered around an armiture to hold 'tufa and strengthen structure.

closed-cell foam - Hard, nonabsorbent foam.

compressive strength - Ability of 'tufa to to withstand downward force or to sustain a heavy weight.

concrete - A mix of portland cement, sand and water. The standard construction recipe calls for one part portland cement to three parts sand/rocks.

concrete admix - See admixture.

cure - Pprocess by which 'tufa hardens; dependent on sufficient hydration and temperature.

DH - Dear Husband.

DWT - Drywall tape.

Efflorescence - Salts which leach out of 'tufa during the curing process.

Faux bois - Imitation wood (French).

form - Mold used for the setting an outside shape.

Grot - Abbreviation for grotesque, which is a gargoyle which does not serve the purpose of a rainspout. Our grots serve as planters but have the same unusual attributes of a gargoyle.

green - Uncured.

GW - Garden Web.

HWM - Hardware mesh, cloth. Used to reinforce larger 'tufa projects.

hydration - Chemical reaction between water and portland cement.

IMHO - In my honest opinion

LOL - Laughing out loud.

Model - Original piece (usually of artwork) used to make a mold.

Mold - A rigid structure used to hold green 'tufa into a fixed position until it sets. See also postive mold, negative mold, mother mold.

mortar - Variation of concrete used in masonry; does not contain rough aggregate.

mother mold - Outer, often rough mold made of the back of a mold. Used to secure the mold during the casting process when it is made of fragile or flexible material.

moulage - Reusable mold-making material used primarily for body casting.

Negative mold - Casting of a model which is made to create a positive mold. Used when original model is fragile and requires the use of nondurable molding material.

nylon fibers - Added to 'tufa add strength and cohesion.

OMG - oh my gawd/garsh.

Paper pulp - Shredded paper soaked in water and agitated; used in papercrete.

papercrete - Variation of 'tufa consisting of paper pulp, portland...

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