NovaTuff P-525 Pre-Prime removes surface rust and film, preparing metal roof surfaces for coating. The convenient gel formula mixes easily with water. It reacts with rust and oxide films to restore metal surfaces, leaving a thin film to prevent further rusting. NovaTuff P-525 Pre-Prime removes mineral buildup, water stains, and debris. It also removes the film that is present on new galvanized metal.
The correct dilution rate is very important
Mix 1 part NovaTuff P-525 Pre-Prime with 20 parts water. Coverage is approximately 400 to 500 square feet per gallon. Be sure to consider metal corrugation when determining all material requirements. Typically increase the square feet by 20% to ensure that enough material is ordered.
NovaTuff P-525 Pre-Prime can be applied using a pump up sprayer or brush. Remove as much grime, dirt, grit, and sludge as possible before applying NovaTuff P-525 Pre-Prime. Apply at a rate of 400 to 500 square feet per gallon of mixed solution (1 part NovaTuff P-525 Pre-Prime to 20 parts water). After application, agitate the surface with a stiff brush, broom or mop Allow 10 minutes for NovaTuff P-525 Pre-Prime to penetrate the surface. Rinse with high pressure fresh water.
Do not leave NovaTuff P-525 Pre-Prime on metal surfaces for more than 15 minutes or allow to dry on the surface.
NovaTuff P-525 Pre-Prime should be used in well-ventilated areas. Surfaces should be free of foreign matter. Apply NovaTuff P-525 Pre-Prime at temperatures above 40° F. Do not apply when freezing may occur. Surface temperatures should not exceed 170° F and air temperatures should not exceed 100° F.
WARNING: HARMFUL OR FATAL IF SWALLOWED. CONTACT A PHYSICIAN IMMEDIATELY. CORROSIVE. MAY CAUSE BURNS. Contains phosphoric acid. Keep out of reach of children.
This product (and any recommended thinners) contains solvents and/or chemical ingredients. Adequate health and safety precautions should be observed during storage, handling, use, and drying periods. For safe usage, user is specifically directed to consult the current Material Safety Data Sheet for this product. When using this product in confined space or closed area, consult the OSHA or ANSI bulletins on safety requirements. The information as set forth in the technical data contained herein has been developed based on test and evaluations made by Advanced Epoxy Systems, Inc. for standard coating applications. We believe this information is the best currently available on the subject, and it is offered as a helpful suggestion. Any experimentation you may care to undertake along these lines is at your own risk. Application guidelines must be followed, and Approved Contractors Agreement must be in place to receive a NovaTuff product warranty.
Shelf Life and Storage Conditions:
NovaTuff P-525 has a 12 month shelf life if unopened and stored between 40 degrees Fahrenheit and 90 degrees Fahrenheit. Do not allow products to freeze.
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