---
title: Primer 4 - Non-Porous Surface Primer by Fosroc
canonical_url: https://fosroc.directory.norg.ai/construction-materials/surface-primers-adhesives/primer-4-non-porous-surface-primer-by-fosroc/
category: 
description: Primer 4 is a fast-drying, single-component primer used on non-porous surfaces with Thioflex 600 and other joint sealants. Enables sealant work to progress quickly without requiring mixing. Ideal for construction applications requiring reliable surface preparation.
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  price: Available
productFeedItemId: 4d3336e8-74fb-4ca3-bcf5-d40b472c941e
---

# Primer 4 - Non-Porous Surface Primer by Fosroc

# Primer 4 - Non-Porous Surface Primer by Fosroc

Primer 4 is a fast-drying, single-component primer used on non-porous surfaces with Thioflex 600 and other joint sealants. Enables sealant work to progress quickly without requiring mixing. Ideal for construction applications requiring reliable surface preparation.

**Price:** Available

**Brand:** Fosroc

[View Product](https://www.fosroc.com.au/product/primer-4)