Bona Blocker 500ml – Additive for Prime White & Prime Natural

Bona Blocker 500ml – Additive for Prime White & Prime Natural

Bona Blocker is a professional additive designed for use with Bona Prime White and Bona Prime Natural. It is used as part of the Bona finishing system where additional blocking performance is required, helping support a more controlled and consistent appearance when working with light and natural-look wood floor finishes.

Bona Blocker is supplied in a convenient 500ml pack and is mixed directly into the compatible primer before application. One 500ml unit is used with two 5L containers of Bona Prime White or Bona Prime Natural, giving a total primer quantity of 10 litres.

Key Features

• Professional additive for Bona wood floor primers
• Designed specifically for Bona Prime White and Bona Prime Natural
• Helps provide additional blocking performance within the primer system
• Ideal for light, pale and natural-looking floor finishes
• Mixed directly into the compatible primer before application
• Convenient 500ml pack size
• One 500ml unit treats 10L of compatible primer
• Designed for professional wood floor finishing

Mixing Ratio

Use 1 x 500ml Bona Blocker with 2 x 5L of Bona Prime White or Bona Prime Natural (10L total primer).

• Bona Blocker: 500ml
• Compatible primer: 10L total
• Equivalent to: 2 x 5L primer containers
• Use only with Bona Prime White or Bona Prime Natural
• Mix thoroughly before application

Compatible Primers

• Bona Prime White
• Bona Prime Natural

Recommended Uses

• Professional wood floor finishing
• Light and pale wood floor systems
• Natural-look floor finishing systems
• Residential and commercial wood floor renovation
• Projects using Bona Prime White or Bona Prime Natural

Technical Data

Brand	Bona
Product	Bona Blocker
Product Type	Primer Additive
Volume	500ml
Compatible Primers	Bona Prime White / Bona Prime Natural
Mixing Ratio	1 x 500ml
Application	Mixed into Compatible Bona Primer
Use	Professional Interior Wood Flooring
SKU	UFSWH341009001

Application Guidance

Add Bona Blocker to the required quantity of Bona Prime White or Bona Prime Natural and mix thoroughly until the additive is evenly distributed throughout the primer.

Prepare the wooden floor according to the requirements of the selected Bona primer system. The surface should be correctly sanded, clean, dry and free from sanding dust and other contamination before application.

Apply the modified primer according to Bona’s current application instructions for Prime White or Prime Natural and complete the floor with the appropriate compatible Bona finishing system.

Important Compatibility Note

Bona Blocker should be used only with Bona Prime White or Bona Prime Natural. Do not add it to other Bona primers, lacquers or coatings unless specifically approved in Bona’s current technical documentation.

FAQs

Which primers can Bona Blocker be used with?
Use Bona Blocker only with Bona Prime White or Bona Prime Natural.

How much Bona Blocker do I need?
One 500ml unit is used with two 5L containers of compatible primer, giving 10L of primer in total.

Can I use half a bottle with one 5L primer?
The stated ratio corresponds to 250ml per 5L. Any partial mixing should be measured accurately and follow Bona’s current technical instructions.

Can Bona Blocker be applied directly to the floor?
No. It is an additive and must be incorporated into a compatible primer before application.

Can I mix it with Bona Prime Amber or Prime Intense?
No. This product is intended for use with Bona Prime White or Bona Prime Natural only.