Translation guide
The process of sealing joints or seams to prevent leaks, typically in construction or shipbuilding.
浴槽のコーキングをする必要があります。
I need to caulk the bathtub.
To fill gaps between materials to make them watertight or airtight.
The most common term for caulking in modern Japanese, used for sealing gaps with sealant.
浴室のコーキングが古くなったので、打ち直しました。
The caulking in the bathroom got old, so I redid it.
Often used interchangeably with コーキング, but can imply a more flexible sealant or the act of sealing.
窓枠のシーリングが劣化しています。
The sealing around the window frame has deteriorated.
A more general term meaning 'filling gaps', can refer to caulking or any gap-filling activity.
隙間埋めにコーキング材を使います。
I use caulking material to fill the gaps.
Specifically refers to filling joints (目地) in tiling or masonry, often with mortar or sealant.
タイルの目地詰めをやり直す必要があります。
The tile joints need to be re-caulked.
To drive oakum or other material into the seams of a wooden ship to make it watertight.
Also used for traditional ship caulking, though context usually makes it clear.
船大工が船体のコーキングを行っています。
The shipwright is caulking the hull.
Historical term for caulking using cypress bark fiber (槙皮) in traditional Japanese wooden ships.
和船の建造では槙皮詰めが行われました。
In building Japanese wooden ships, caulking with cypress bark was done.
In home improvement stores, look for コーキング材 (caulking material) or シーリング材 (sealant). The verb 'to caulk' is often expressed as コーキングをする or コーキングを打つ (literally 'to shoot caulking').