ADROIT Backer Coat

Looking to enhance bonding across various surfaces? Presenting ADOFIX BACKER COAT – an advanced polymer primer engineered for exceptional performance. Whether it’s walls or floors, porous or non-porous substrates, this primer delivers superior adhesion, ensuring reliable results every time.

When it comes to versatility, ADOFIX BACKER COAT has you covered. It’s suitable for a wide range of surfaces, including concrete, sand/cement screed, plywood overlay (minimum 15mm), and tile backer boards. Plus, it’s compatible with cement-faced fiberboards, anhydrite screeds, and even tile-on-tile applications. No matter the surface, ADOFIX BACKER COAT provides the perfect foundation for your project.

But that’s not all – ADOFIX BACKER COAT has been specifically developed to work seamlessly as a primer with cementitious tile adhesives. By using it in conjunction with these adhesives, you’ll experience improved sealing and bonding properties, ensuring a durable and long-lasting finish. With ADOFIX BACKER COAT, you can trust that your surfaces are primed for success, every step of the way.

Advantages

• Significantly increases bonding strength
• Provides hydrophobic properties to tiles and stones
• Effectively reduces water absorption in stones and tiles
• Improves overall durability
• Designed for versatile use, both indoors and outdoors

Installation

Surface Preparation: 

Begin by ensuring the application area is thoroughly dry and in stable condition. The surface must be free from contaminants such as dust, oils, and grease that may hinder adhesion. Remove all laitance and surface treatments, and roughen surfaces by mechanical scabbing to enhance bonding. It’s crucial that all surfaces are free from dust and thoroughly clean before applying the primer. Additionally, turn off underfloor heating at least 48 hours before and after application. When applying Adroit Backer Coat on a calcium sulphate screed, follow the above condition and also the below condition. It is significant that calcium sulphate screeds are dry and below 75% RH, as these screeds are prone to surface laitance and should be mechanically abraded to remove the weak layer.

Application: 

Apply the product using a brush or roller, scrubbing it well into the surface to avoid pooling. Allow it to fully dry. For multiple coats, ensure each coat dries completely before applying the next.

Porous Substrates:

ADROIT BACKER COAT should always be diluted before use.

• For the 1st coat, mix 3 parts water with 1 part primer.
• For the 2nd coat, mix 1 part water with 1 part primer.
• Very absorbent subfloors will require a 3rd coat at 1 part water/1 part primer. Under good drying conditions, the product should be ready for an additional coat after 1-2 hours.

Non-Porous Substrates:

Apply 1 coat neat.

Following these steps ensures optimal preparation and application, providing a robust foundation for your project.