Alkali Resisting Primer

Product Description

Coo-Var Alkali Resisting Primer is a high quality low odour solvent based primer/sealer. Ideal for use on alkaline surfaces which can attack conventional decorative coatings. also helps combat surfaces with varying degrees of porosity.

As with all paint products please read the technical datasheet before use. If you have any questions or need technical advice we are here to help please call 01482 328053 or email info@coo-var.co.uk.

Alkali Resisting Primer FAQ's

What is Alkali resisting primer?

An alkali resisting primer is a specialized primer designed to protect topcoats from the high alkalinity found in masonry, concrete, and plaster surfaces, preventing paint degradation and ensuring longevity.

What are the benefits of using an Alkali resisting primer?

It provides excellent adhesion to alkaline surfaces, blocks the effects of alkalinity on the topcoat, enhances the durability of the paint job, and helps prevent peeling, flaking, and efflorescence.

Where should Alkali resisting primer be used?

It is ideal for new masonry, concrete, plaster, and cement surfaces, both interior and exterior. It can also be used on surfaces that have been recently plastered or on older surfaces that have experienced alkalinity issues.

How does Alkali resisting primer work?

It creates a barrier that neutralizes the high pH levels in alkaline surfaces, preventing the alkaline salts from reacting with the topcoat. This helps in maintaining the integrity and appearance of the paint.

Can Alkali resisting primer be used on previously painted surfaces?

Yes, it can be used on previously painted surfaces, especially if there are signs of alkali damage or if you are repainting over a masonry surface.

How do you apply Alkali resisting primer?

It can be applied with a brush, roller, or sprayer. The surface should be clean, dry, and free of dust, grease, and loose material. It’s important to follow the manufacturer’s instructions regarding surface preparation.

How long does Alkali resisting primer take to dry?

Drying times vary by product, but typically it dries to the touch within 30 minutes and can be recoated after 4-6 hours.

Is Alkali resisting primer suitable for exterior use?

Yes, it is designed to withstand exterior conditions and is highly effective for use on exterior masonry and concrete surfaces.

How should I clean up after using Alkali resisting primer?

Cleanup typically involves using soap and water for water-based primers and appropriate solvents for solvent-based primers.

What types of topcoats can be applied over Alkali resisting primer?

It is compatible with most types of topcoats, including acrylic and alkyd paints. Always check the primer’s label to ensure compatibility with your chosen topcoat.

How do you store Alkali resisting primer?

Store in a cool, dry place away from extreme temperatures and direct sunlight. Ensure the container is tightly sealed to prevent the primer from drying out.

Can Alkali resisting primer block stains?

While its primary function is to resist alkalinity, some alkali resisting primers also have stain-blocking properties, helping to prevent stains from bleeding through the topcoat.

What is the difference between an Alkali resisting primer and a regular primer?

Alkali resisting primers are specifically formulated to neutralize high pH levels in masonry and concrete surfaces, whereas regular primers may not offer this protection. Regular primers might not prevent the alkaline salts from damaging the topcoat, leading to issues like paint degradation and efflorescence.

Technical Information

• ALKALI RESISTING PRIMER TDS CV.pdf

• 341-G119 - ALKALI RESISTING PRIMER - WHITE - SDS11290 – UK

Delivery

Standard delivery 48 to 72 hours (business hours). Prices are excluding VAT.

*Please note that these prices only apply for UK Mainland and the Islands above.

If in doubt please call 01482 328052 or email info@coo-var.co.uk​