Standard paints or asphalt based materials don't have what it takes to accommodate the constant expansion and contraction of a metal or tin roof. Failure by cracking and peeling is commonplace. Preservation Products' elastomeric coatings will expand and contract with the roof and will stay flexible even in temperatures down to 30 degrees below zero.
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To perform effectively, a high performance coating system should be applied in a manner that will provide a continuous film of relatively equal thickness. The most effective way to do this is with multiple coats. In fact, 3 or 4 coats are often used for maximum protection. When polyester reinforcement is used, a minimum of 3 coats will be required.
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Polyester reinforcement adds dimensional strength to the membrane created with Acrymax elastomeric coatings. Polyester reinforcement is especially useful at transitions, flashings, for lining built-in gutters, for repairing and sealing leaking seams, and in certain cases over the entire roof area, particularly on smooth asphalt roofs. Our Roof Restoration Systems include two different levels of roof reinforcement.
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On cool weather application days, Acrymax coatings should not be applied when temperatures are below 45°F. Temperatures for 24 hours after application should ideally not fall below 45°F and must stay above freezing. At freezing temperatures, any water left remaining in the coating film can freeze and damage the paint film.
On very hot days, it is advisable to apply Acrymax coatings early in the morning before roof surface temperatures become too hot. This is especially critical when installing Poly-1 with HP-1000, as the tack coat can dry prior to embedding the polyester fabric.
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Preservation Products Coating Systems have been used successfully on a wide variety of surfaces including metal, asphalt, wood, concrete, transite, foam, masonry, and other common building materials.
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Poly-1 is a high-strength polyester fabric that is used to reinforce Preservation Products elastomeric coatings in critical areas such as flashings, transitions, roof penetrations and areas where the roof has deteriorated. In certain situations Poly-1 is used to reinforce the entire roof. The combination of Preservation Products coatings and Poly-1, embedded into the coating, creates a high-strength reinforced membrane in our Roof Restoration Systems.
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After assessment of the present condition and the individual requirements of the roof, a Preservation Products guideline specification can be developed, which will include: surface preparation, material selection, quantity of materials, number of coats, and if and where polyester reinforcement will be used. Three general specifications have been developed for metal roofs: the Preservation System, the Restoration System, and the Reinforced Restoration System.
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Assessment requires taking an honest look at the roof and determining the needs of the particular roof. What is the present condition of the roof? Is it leaking? Rusted? Previously coated with asphalt? Structurally sound?
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Inspection means going over the finished application to ensure that the application has been completed properly. If necessary, additional material is applied during the inspection to ensure complete and uniform coverage. After final completion, it is an industry recommendation that all roof systems be inspected twice a year.
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Application requires applying Acrymax coatings conscientiously under proper conditions, applying all materials that are specified in the manner specified, and using good construction and roofing practices.
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Four main steps are involved: Assessment, Specification, Application, and Inspection.
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Preservation Products has flexible solutions for your roof repair.
To patch these problem areas, use Poly-1 Stitch-Bonded Fabric and HP-1000 Elastomeric Roof Coating. Cut a piece of Poly-1 that will cover an area 3 inches larger than the damaged area. After preparing the area to receive the patch, apply HP-1000 to the area and embed the polyester into the wet coating and immediately apply additional coating to the top of the fabric to saturate completely. After drying, additional coats of Acrymax HP-1000 or HP5000 are applied to create a completely waterproof repair.
AF-315 Acrymax Fibrated Acrylic Flashing Grade can be used as alternative to HP-1000 when embedding Poly-1 over certain problem areas. Also, because of its unique Kevlar ® fibers, AF-315 can in some cases be used as a standalone reinforcement to defects in the roof surface area.
In some situations a new piece of metal should be fastened over the problem area prior to application of HP-1000 and Poly-1 or AF-315.
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Roof Restoration Systems by Preservation Products do not require separate flashings. The liquid-applied elastomeric coating is self-flashing, creating an effective weathertight seal.
To flash around a chimney, Poly-1 Fabric is applied with HP-1000 Elastomeric Roof Coating to form a flexible reinforced membrane. Alternatively, AF-315 can be used in place of HP-1000 when applying Poly-1 Fabric. In some cases, AF-315 can also be used as a standalone reinforcement. Contact us for personalized technical assistance.
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Not really, although sometimes it seems that way. Preservation Products has proven that its proprietary elastomeric coatings are highly effective in a diverse range of applications, from historic roof restoration to the booster rockets of the Space Shuttle. However, proper specification and application is critical to its success. Preservation Products is proud of its customer service and is here to help you.
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Material needs will depend on the condition of the roof and how often you intend on recoating it. On tin roofs that are in relatively good condition, two coats applied at 100-150 square feet per gallon, per coat, will provide 5-10 or more years of protection. If your roof is leaking or has developed pinholes in the metal then additional material will be required. Our technical service staff will work with you to help calculate material requirements for your particular project based on information about your project that you provide; contact us.
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The dry time for Acrymax roof and wall coatings depends greatly on a number of factors, including temperature, humidity, direct sunlight, coating thickness, and air movement. Darker colors will dry faster than lighter colors. Allow a minimum of 2 hours between coats.
During cooler weather applications, applicators must take note of not only the ambient temperature but also the dew point. If dew forms on the roof surface the coating will not dry.
It is the responsibility of the applicator to determine if conditions are appropriate for application of Acrymax coatings. Contact us for personalized technical support.
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Acrymax are waterborne coatings that can easily be applied by brush, roller, or spray. They clean up easily with water.
Keep in mind that roofing work entails some inherent dangers. All proper safety procedures, including fall protection, must be observed. Professional applicators should be employed when steep slopes, heights, or other particulars of the job require it. Building owners should verify before contracting with anyone that all appropriate and required insurance including workmen's compensation is in force and that any necessary permits have been obtained. A list of applicators that have applied Acrymax is available from Preservation Products.
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Yes, Acrymax coatings can be applied over asphalt flat roofs. If the roof is in good condition, 2 coats of Acrymax will protect the roof from UV degradation. If the roof is leaking or is in poor condition then a fully reinforced membrane system using Poly-1 Fabric should be used. On asphalt shingles, Acrymax coatings can extend the life of the shingles if the coatings are applied before the shingles become brittle or the edges curl.
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Absolutely. Acrymax is being used successfully over substrates that include asphalt built-up, modified bitumen, shingles, transite, aluminum, wood, concrete, masonry, slate, and other common building substrates. Roofs, decks, window sills, stucco and masonry walls are among the components of the building envelope that have been weatherproofed and protected by Acrymax coating systems. Wherever a waterproof, flexible, and durable membrane is required Acrymax is usually the most effective answer.