Apollo Roofing Solutions, UK manufacturer of adhesives, liquid coatings, sealants and primers for roofing system suppliers

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RoofPrime (A3890) Fast-Cure PU Primer

RoofPrime (A3890) was developed specifically for improving the adhesion properties of PVC single-ply roofing membranes. It is a thermoplastic polyurethane primer, which is applied directly to the PVC-based substrate with minimal preparation required.

Ensures successful roofing projects: improves the adhesion properties of roof deck
Failed roofing projects can be costly for your contractor. RoofPrime (A3890) helps to ensure successful roofing projects by improving the adhesion properties between the PVC-based membrane and the Apollo liquid roof coating. Based on experience, RoofPrime (A3890) displays no material effects on physical properties after heat aging, which confirms that the PVC plasticizers do not migrate into the RoofPrime (A3890) product.

Saves money: ensures repair tasks are successful
One of the many benefits of a PVC membrane is that it is simple to repair. However, the surface of the PVC membrane must be prepared properly if repair work is to be successful, and the primer needs to be of sufficient elasticity to accommodate any thermal movement. RoofPrime (A3890) offers an economical and high-performing solution; it improves the adhesion properties of PVC membrane and helps to minimise project cost because it is suitable for overlaying not only the details, but the whole roof system. This saves your contractor the significant expense of having to remove the existing membrane.

Helps to reduce overall project time: fast-cure time
Time is money to your contractor. RoofPrime (A3890) has a fast-cure time of 20-60 minutes. This helps to keep individual task-time to a minimum, which enables your contractor to move on to the next stage in the process quickly and reduce overall project time.

Simplifies application tasks: easily brush-applied due to its low viscosity
Your contractor requires no application equipment to apply RoofPrime (A3890), which helps to reduce costs. It is easily applied to the surface of the roof deck with a brush or roller due to its low viscosity.

Notes: All diagrams are for illustrative purposes only and are not intended to show a precise image of the product. All technical information on temperature and timings (text or icons) represent normal working conditions (based on 20°C temperature), and is provided as a guideline only.

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