Holes should never be punch on or in expansion joints.
US Bellows is a Standards Subscriber | Exp: Dec 31, 2026 | See ejma.org to check verification process
Celebrating over 20 years of EJMA membership
US Bellows is a Standards Subscriber | Exp: Dec 31, 2026 | See ejma.org to check verification process
Celebrating over 20 years of EJMA membership
Holes should never be punch on or in expansion joints.
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