Professional use only - from the 24th August 2023, adequate training is required before industrial or professional use of this product.

Should you require training, visit - https://www.safeusediisocyanates.eu/

FasTop Multi Primer is a water-based polyurethane cement primer designed for use with FasTop screeds and self-levelling systems. The material uses current resin, hardener and aggregate to maintain flexibility in stock for and delivers the bonding performance and properties that FasTop is known for. It can be applied by roller, brush or squeegee depending on the requirements.

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• Features & Benefits
• Surface Preparation
• Application Notes

Features & Benefits

   
• Three-pack primer
• Ease of application, excellent adhesion
• Hygienic and versatile
• Concrete primer and sealer
• As a primer for Sherwin-Williams FasTop floor screeds and self-levelling systems

Surface Preparation

New Concrete Floors:

New concrete must be clean, sound, dry, fully cured and surface laitance removed by vacuum enclosed shot blasting or mechanical grinding, a minimum strength of 25N/mm² is required.

Existing Concrete Floors:

Remove all dirt, oil, grease, old paint or any other surface contaminants by vacuum enclosed shot blasting, scarifying or mechanical grinding. Fats, oils or greases must be removed by mechanical means and detergent washing and making sure all residue of detergent is washed and removed by rinsing with clean water. Local repairs should be carried out using FasTop BU.

Existing Floors (previously coated):

All previous coatings and loose floor paints must be removed by mechanical preparation as described in the above section and primed as specified. If the old resin flooring cannot be removed then please consult with our technical team for advice on intercoat adhesion and suitability, as it may not be compatible with the existing floor coating.

Where FasTop Multi Primer is applied to masonry/concrete surfaces, care must be taken to ensure that preparation is thorough.

Application Notes

Application Conditions

• FasTop Multi Primer may be applied to substrates with a surface temperature in the range of 5-20°C and a relative humidity of 40% - 90% RH, with a minimum air temperature of 8°C and no condensation
• Do not pre-warm this product as working times will be substantially reduced if materials are warm
• NB: Cure times are extended at low temperatures

Application

• Apply FasTop Multi Primer by medium nap roller, brush or squeegee
• Work the primer well into the surface ensuring it is fully wetted out and then roll to complete an even coating without any ponding
• Two coats may be required to eliminate any dry patches and to create an even sealed surface
• The primer should be worked into and around the anchor joints, cut for FasTop screeds being installed, whilst avoiding to filling these with resin