Mastic Duct Seal One Pound Ul Listed Lhd1 | Desertcart Morocco
Mastic Duct Seal, One Pound, UL Listed // LHD1
Product ID: 41378746
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Description
UL Listed
Adheres to most clean surfaces
Non Toxic / Asbestos Free
Duct Seal (Prest "O" Seal) is used to seal around junction box flashings, service masts, etc. It is heavy mastic, which is flexible and can be pressed into any shape to form a water and airtight seal.
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