Gutter Expansion Joints for Copper Half-Round Gutters – 7.6″

Copper (and all other metals) expands and contracts as temperatures change, so expansion joints for half-round gutters are an essential for gutter systems in all climates. It is recommended that one expansion joint be used for any single length of gutter that will be longer than 40′. Zambelliexpansion joints are 18oz Copper and feature a EPDM rubber inner liner.