Material used to seal exterior cracks and openings, such as at windows or foundations.

Material used to seal joints at intersections of different materials. Used with different types of siding to join the siding to pre-existing materials.

will help keep stink bugs from entering your home.  Caulk around doors and windows, baseboards, etc.  Check pull down (and other) attic entries and caulk around them.  You may use (painters or masking [..]

A pliable material used to seal cracks or openings such as around windows.

See Keeping The Heat In - Chapter 3: Materials: 3.3.2 Sealants

Oakum or old rope jammed into cracks in the ships hull and treated with pitch to waterproof it.

A waterproof material used to seal cracks.

General trenchless technology term that refers to methods for closing joints within a pipeline or between lining segments.

The application of a sealant in a joint or opening to prevent the passage of water, air, dust, and noise. Or, making a joint tight or leak proof by sealing with an elastic adhesive compound.

A compound for filling joints and sealing cracks to prevent leakage of water and air.

Pursuant to 26 CFR 1.23-2, [Title 26 -- Internal Revenue; Chapter I -- Internal Revenue Service, Department of the Treasury], the term caulking means “pliable materials used to fill small gaps at fixe [..]

(n) a waterproof filler and sealant that is used in building and repair to make watertight

(1) A flexible material used to seal a gap between two surfaces e.g. between pieces of siding or the corners in tub walls. (2) To fill a joint with mastic or asphalt plastic cement to prevent leaks.

Filling the seams of a ship with oakum. Centre

A pliable material used to seal cracks or openings such as around windows.

A waterproof material used to seal cracks.

Sealing used in joints to prevent the passage of fluid (commonly moisture) or gas. 

A resilient mastic compound often having a silicone, bituminous, or rubber base; used to seal cracks, fill joints, prevent leakage, and/or provide waterproofing used in the replacement of commercial o [..]

A compound for filling joints and sealing cracks to prevent leakage of water and air. Cellular PVC:

to make the seam watertight, and it also makes the hull more rigid

Material used to seal the seams in a wooden vessel, making it watertight

A waterproof compound or material used to fill a pipe joint. The act of using a waterproof compound or material to fill a pipe joint.

A sealant used to seal construction joints, in order to prevent water and air infiltration.