
Sealer
Protective Layer
A sealer forms a protective layer to keep surfaces safe from damage like water or stains.

After laying the patio stones, they added a sealer for longevity.
Home Improvement
Sealer is often mentioned in the context of home repair or crafting to provide a finish.

She used a clear sealer on her painted furniture to prevent scratches.
Surface Prepping
Before painting or staining, a sealer might be used to prepare the surface and ensure evenness.

The carpenter sealed the wood to create a smooth base for painting.
Compare with
FinishGlazePreserverProtector
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