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Ships within 48 hours · Estimated delivery Aug 18 - Aug 23
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Description
Fosroc Primer No. 21 250mlFosroc Primer No. 21 is a single component, solvent based polyurethane primer used to prepare dry concrete joints prior to the application of Nitoseal polyurethane sealants, including Nitoseal PU250 and PU400. Supplied in a convenient 250ml container, Primer 21 is ideal for smaller jobs or touch up applications. It promotes excellent adhesion to dry, clean concrete surfaces and is not recommended for areas subject to long term dampness or permanent
Fosroc Primer No. 21 is a single-component, solvent-based polyurethane primer used to prepare dry concrete joints prior to the application of Nitoseal polyurethane sealants, including Nitoseal PU250 and PU400.
Supplied in a convenient 250ml container, Primer 21 is ideal for smaller jobs or touch-up applications. It promotes excellent adhesion to dry, clean concrete surfaces and is not recommended for areas subject to long-term dampness or permanent immersion—Fosroc Primer 13 should be used in those conditions.
Its fast-drying formula speeds up jobsite productivity, and the single-component design requires no mixing before use.
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Volume: 250ml
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Type: Solvent-based polyurethane primer
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Application: Dry concrete joints before applying Nitoseal PU250 or PU400
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Key Features:
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Fast drying for minimal downtime
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No mixing required – ready to use
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Ideal for dry conditions (not for immersed/damp surfaces)
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Compact size for small-scale or precision applications
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy