# Zinsser Cover Stain

Primer, undercoat and sealer · Zinsser

Zinsser Cover Stain covers 9.8 m² a litre, by Zinsser's own figures.
Source: Zinsser, Zinsser Cover Stain product page, read 11 October 2026.

Zinsser gives no single number of coats for it in the document read for this page.

What it is for, in the maker's words: “Exceptional stain-blocking capabilities, the specialist formula effectively seals water, smoke, mould and nicotine stains” (Zinsser Cover Stain product page, read 11 October 2026).

## Coverage

Zinsser states 9.8 m² a litre. The maker's words: “Coverage: 9.8m² per Litre”.
- Bare, rough or absorbent surfaces: A maker's coverage is their best case, on a smooth sealed surface: bare, rough or absorbent surfaces take more.
- Waste and touch-ups: The tin-by-tin figures add nothing for what stays in the tray and on the brush, or for touching up.

## Coats

The document read for this page gives no number of coats for Zinsser Cover Stain. Follow the tin's own instructions.

## Tin sizes

| Tin | One coat | Two coats |
|---|---|---|
| 500 ml | 4.9 m² | 2.45 m² |
| 1 L | 9.8 m² | 4.9 m² |
| 2.5 L | 24.5 m² | 12.25 m² |
| 5 L | 49 m² | 24.5 m² |
| 10 L | 98 m² | 49 m² |

Arithmetic on the maker's figure: the litres in the tin times the coverage per litre, with nothing added for waste.

## Where to buy it

The page has the shops' own searches for it, and any link there that is paid for is marked Ad: https://buildbatch.co.uk/products/zinsser-cover-stain/#where-to-buy. BuildBatch sells nothing and compares no prices.

## Questions

**How much does a litre of Zinsser Cover Stain cover?** Zinsser states 9.8 m² a litre for Zinsser Cover Stain (Zinsser Cover Stain product page, read 11 October 2026). A maker's coverage is their best case, on a smooth sealed surface.

**How much does a 5 litre tin of Zinsser Cover Stain cover?** At the maker's figure a 5 L tin covers 49 m² in one coat, or 24.5 m² in two coats. That is the litres times the coverage per litre, with nothing added for waste.

**How many coats does Zinsser Cover Stain need?** The document read for this page gives no number of coats for Zinsser Cover Stain. Follow the tin's own instructions.

**What is Zinsser Cover Stain for?** Zinsser says: “Exceptional stain-blocking capabilities, the specialist formula effectively seals water, smoke, mould and nicotine stains” (Zinsser Cover Stain product page, read 11 October 2026).

**What tin sizes does Zinsser Cover Stain come in?** The catalogue lists 500 ml, 1 L, 2.5 L, 5 L and 10 L. A shop may not stock every size.

## Where the figures come from

- Zinsser, Zinsser Cover Stain product page (https://zinsseruk.com/products/cover-stain): coverage and what it is for, read 11 October 2026.

Written with AI tools; not yet checked by a tradesperson. Follow the tin's own instructions.

The page: https://buildbatch.co.uk/products/zinsser-cover-stain/