Perpend stone

The bond stones seen on the end of the right wall extend across the width of this tall, battered, dry-stone wall. Attribution: Humphrey Bolton

Perpend stone (parpen, parpend, perpin, and other spellings), bond stone, or tie stone is a structural element building term used by stonemasons and brick masons. Perpend is also a piece in brickwork also called a cross joint or when extending through the entire wall a transverse joint or perpend bond.

单词	Perpend Stone
释义	Perpend Stone 英语百科 Perpend stone Perpend stone (parpen, parpend, perpin, and other spellings), bond stone, or tie stone is a structural element building term used by stonemasons and brick masons. Perpend is also a piece in brickwork also called a cross joint or when extending through the entire wall a transverse joint or perpend bond.
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Perpend Stone

Perpend stone