# Zinsser B-I-N

Primer, undercoat and sealer · Zinsser

Zinsser B-I-N covers 12.5 m² a litre, by Zinsser's own figures.
Source: Zinsser, Zinsser B-I-N 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: “B-I-N® effectively blocks odours, dries in minutes and is perfect for use on interior surfaces and spot priming of exterior surfaces” (Zinsser B-I-N product page, read 11 October 2026).

## Coverage

Zinsser states 12.5 m² a litre. The maker's words: “Coverage: 12.5m² 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 B-I-N. Follow the tin's own instructions.

## Tin sizes

| Tin | One coat | Two coats |
|---|---|---|
| 500 ml | 6.25 m² | 3.13 m² |
| 1 L | 12.5 m² | 6.25 m² |
| 2.5 L | 31.25 m² | 15.63 m² |
| 5 L | 62.5 m² | 31.25 m² |
| 10 L | 125 m² | 62.5 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-b-i-n/#where-to-buy. BuildBatch sells nothing and compares no prices.

## Questions

**How much does a litre of Zinsser B-I-N cover?** Zinsser states 12.5 m² a litre for Zinsser B-I-N (Zinsser B-I-N 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 B-I-N cover?** At the maker's figure a 5 L tin covers 62.5 m² in one coat, or 31.25 m² in two coats. That is the litres times the coverage per litre, with nothing added for waste.

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

**What is Zinsser B-I-N for?** Zinsser says: “B-I-N® effectively blocks odours, dries in minutes and is perfect for use on interior surfaces and spot priming of exterior surfaces” (Zinsser B-I-N product page, read 11 October 2026).

**What tin sizes does Zinsser B-I-N 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 B-I-N product page (https://zinsseruk.com/products/b-i-n): 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-b-i-n/