A plumbers' tool consisting of a long flexible rod of spiraled wire used for removing obstacles from pipes.
Snake fence
Rail fence that zigzags back and forth, intersecting and resting on each other at angles less than 180 degrees. Requiring no fence posts they are best suited for rock soil.
Snap line
Snap switch
Electrical switch, which can open or close contracts quickly with its spring mechanism, so that arcing can be avoided between contacts and is implemented in household switches and circuit breakers.
Snap tie
Concrete form tie, which is factory made and holds the concrete forms in place at a certain distance. The tie can be broken off after the concrete is poured and set and the forms are stripped, so that only a small area must be patched.
Snaplock finish trim
Used to finish off (trim) job-site cuts on siding, as under windows, at eaves, and at porch door locations. May also be used to receive vertical siding at corners and window jambs. The snaplock design allows siding to be notched and locked into place without face nailing.
Snecked masonry
Rubble wall that use irregular sized square stones, set in no particular course.
Snips
Sheet metal cutting shears.
Snow guard
Devices secured to the roof to prevent snow and ice from sliding off of a roof.
Snow load
A roof load resulting from snowfall. Snow load is a major structural consideration when roofs are designed in areas that receive heavy snow.