Last edited 18 Sep 2020

Sneck

SneckReplacementupdate.jpg
In this photo, the gable serves as an example of either sneck harl or sneck point. Source: Tim Meek (@TimMeek8), from Twitter (with permission).

Contents

[edit] Introduction

Sneck (or sometimes sneckled in the United States) is a type of masonry that uses square stones of various sizes. ‘Snecked masonry’ is describes the finished product, while the term ‘sneck’ refers to the small stones that are incorporated into the filler material. It may also be referred to as snecked rubble, Celtic bond, Scotch bond or ‘travail ecossais’.

NB Sneck is also an expression used in different parts of the UK (particularly Scotland and Ireland) to describe a latch. A sneck is often found on a door or window, but can be used to fasten a gate as well.

SneckLatch.jpg
In Yorkshire, sneck, snib, latch and catch are all words used for a gate closure device.

[edit] History - masonry

This technique was most commonly used by masons to construct walls in Scotland and Ireland, sometimes as defensive fortifications during periods of unrest. Sneck masonry was also used in medieval cathedrals, castles and other large structures.

When Scottish and Irish masons migrated to North America in the 1800s, they brought this technique with them. It was frequently used in Central Canada (especially in the province of Ontario) and the East Coast of the United States. Some towns in the state of Vermont (located in New England), have towns with historic and well-preserved houses that have been constructed using this technique.

This is a complex method of masonry that requires a high level of skill, particularly in terms of stone cutting accuracy. The technique arranges larger stones vertically on their edges and then uses small, semi-squared snecks to fill in the areas around the larger stones.Method of sneck construction

There are three types of stone used in snecked masonry.

  1. Risers (or jumpers), which can be square or semi-square. These should be three times as long as they are tall and should form a rough diamond pattern on the structure.
  2. Levellers are large stones that are arranged vertically to construct the majority of the structure. They are typically quite long and narrow (sometimes as much as five times as long as they are tall.
  3. Snecks are the smaller pieces used to compensate for the height differences between risers and levellers. The height of the leveller plus the sneck should be equal to the height of the riser.

This unusual parallel configuration is interrupted by a dramatic break in the horizontal structure created by the levellers. To achieve this, the mason inserts a tall stone (the riser) that touches the course above it. This action strengthens the structure and creates a visually pleasing appearance.

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