What is the difference between joint compound and spackle?

Answer

Joint compound is used to fill in creases and joints between pieces of drywall. It can also be used to repair relatively large holes in a wall. In contrast, spackle is used to repair smaller holes caused by nails or screws.

One difference between joint compound and spackle is drying time. Spackle will dry much faster than joint compound and usually requires a single application. Joint compound, however, should be applied in two or three layers.

Another difference between the two is in their compositions. Spackle is a plaster made out of gypsum and glue; whereas, joint compound is composed of water, limestone, hydrated obsidian, foam rubber and clay materials. Additionally, because of the inclusion of water in joint compound, this material has a tendency to shrink as it dries, which may cause the compound to crack. This is why multiple coats are required. Spackle, on the other hand, will not shrink as it dries.

The name spackle originally referred to a product created by the Muralo Company that was based out of New Jersey. The product was patented in 1928 and was originally a powder that was mixed with water in order to create a paste prior to application.

Q&A Related to "What is the difference between joint compound..."
Lightweight spackling is similar to joint compound, but much less dense and sticky. It is used to fill small holes up to about a quarter-inch in diameter, and is especially efficient
http://www.ehow.com/info_8130592_difference-betwee...
Spackle is a brand of patching compound, http://www.muralo.com/products/spackle_p…. and none of their products specify instructions indicating suitability to use with joint
http://answers.yahoo.com/question/index?qid=201106...
Spackle paste is for smaller holes and dries more quickly.
http://wiki.answers.com/Q/What_is_the_difference_b...
The difference between spackle and joint compound can be so subtle that it effectively becomes non-existent to the layperson. The difference is unlikely to even be immediately apparent
http://www.doityourself.com/stry/what-is-the-diffe...
1 Additional Answer
Ask.com Answer for: difference between joint compound and spackle
Difference Between Spackling & Joint Compound
Spackling and joint compound look very similar, but they actually have different consistencies and require different handling. Also, each has its own purpose in household repair, remodeling and building. Know the differences before you buy, and you can... More »
Difficulty: Easy
Source: www.ehow.com
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