Sealer may refer either to a person or ship engaged in

seal hunting Seal hunting, or sealing, is the personal or commercial hunting of seals. Seal hunting is currently practiced in ten countries: United States (above the Arctic Circle in Alaska), Canada, Namibia, Denmark (in self-governing Greenland only), Ice ...

, or to a sealant; associated terms include:

Seal hunting

* Sealer Hill, South Shetland Islands, Antarctica *

Sealers' Oven Sealers' Oven is a man-made structure of mud and stone located on Waychinicup River, Waychinicup Inlet near Albany, Western Australia, Albany, Western Australia. Believed to be a semi-permanent bread oven built by Seal hunting, sealers around 18 ...

, bread oven of mud and stone built by sealers around 1800 near Albany, Western Australia *

Sealers Passage Sealers Passage is a marine channel between Elephant Island and the Seal Islands, in the South Shetland Islands of Antarctica. It was named by the United Kingdom Antarctic Place-Names Committee The UK Antarctic Place-Names Committee (or UK-APC) i ...

, marine channel in the South Shetland Islands, Antarctica *

Sealers' War The Sealers' War (1810–1821) in southern New Zealand (then part of the Colony of New South Wales), also known as the "War of the Shirt", was a series of often indiscriminate attacks and reprisals between Māori and European sealers. Initially ...

, conflict in southern New Zealand started by sealers in 1810

Sealant

Concrete sealer Concrete sealers are applied to concrete to protect it from surface damage, corrosion, and staining. They either block the pores in the concrete to reduce absorption of water and salts or form an impermeable layer which prevents such materials fro ...

s, products applied to concrete to protect it from corrosion *

Heat sealer A heat sealer is a machine used to seal products, packaging, and other thermoplastic materials using heat. This can be with uniform thermoplastic monolayers or with materials having several layers, at least one being thermoplastic. Heat sealing ...

, machine using heat to seal products *

Stone sealer Stone sealing is the application of a surface treatment to products constructed of natural stone to retard staining and corrosion. All bulk natural stone is riddled with interconnected capillary channels that permit penetration by liquids and gase ...

, surface treatment product to retard staining and corrosion in natural stone

Seal hunting

Sealant

See also