Ethan Clarke
Do It Best's Premier 350 1 Gal. Wet or Dry Plastic Roof Cement is a premium-grade mastic compound designed to repair and protect your roof. This product is a blend of selected asphalts, fillers, and solvents, providing a smooth and easy-to-apply consistency that adheres to various roof surfaces, including metal, shingles, and concrete. With its high resistance to weathering and durability, it offers an effective solution to leaks and damage, making it a popular choice for homeowners and professionals alike. In this review, we will delve into the features, benefits, and performance of Do It Best's Plastic Roof Cement to help you decide if it's the right product for your roofing needs.
| Characteristics | Values |
|---|---|
| Use | Prolongs the life of metal or shingled roofs by adding waterproofing and aiding in the application of roofing materials over an existing surface |
| Application | Spread onto the roof using a trowel or caulking gun; smoothed with a putty knife |
| Compatibility | Incompatible with flexible PVC, EPDM roofing, and possibly some synthetic shingles |
| Coverage | 12-1/2 Sq. Ft. per Gal. |
| Warranty | 12-month limited warranty |
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What You'll Learn
Plastic roof cement is a blend of asphalt, fillers, and solvents
The asphalt base in plastic roof cement allows the cement to remain soft and pliable, increasing its durability. The fillers and fibres in the cement provide toughness, and it can also be applied using a caulking gun for sealing tears or hard-to-reach areas. The cement is then smoothed with a putty knife to provide optimal leak protection and a cleaner finish.
Before applying plastic roofing cement, the surface must be clean and dry. Any old patches of roof cement should be removed, and rust should be cleaned from metal surfaces. Concrete, masonry, and other absorbent surfaces may require a coat of primer before application. This preparation ensures that the cement has the ideal surface to bond with.
Plastic roof cement is an effective way to prolong the life of a roof and aid in the application of roofing materials over an existing surface, such as shingles. It can be used with a variety of materials, including concrete and masonry, and is designed to avoid cracking in cold weather and resist melting in high temperatures. However, like most roofing materials, it can deteriorate over time, so periodic inspections and reapplication of cement are necessary to maintain its waterproofing abilities.
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It is used to repair cracks and leaks in roofs
A leaking roof can be a nightmare for homeowners, leading to water damage, mould growth, and structural problems if not repaired promptly. Roof cracks are a common cause of roof leakages, as they allow water to seep into the roof's structure. Over time, exposure to the elements can cause roofing materials to deteriorate and crack, and improper installation can also lead to cracks and leaks.
Plastic roofing cement, also called mastic, asphalt plastic, or flashing cement, is a material that can be used to repair cracks and leaks in roofs. It is manufactured to have a spreadable consistency, making it easy to apply, and it typically requires no heating or thinning. The cement is purchased in a can or bucket-like container and is spread onto the roof using a trowel. It can also be applied using a caulking gun when sealing tears or hard-to-reach areas, and then smoothed with a putty knife to provide optimal leak protection and a cleaner finish. Before applying plastic roofing cement, the surface must be clean and dry, and old patches of roof cement or rust should be removed. Concrete, masonry, and other absorbent surfaces may need a coat of primer before application.
Roof cement can be used to repair holes, cracks, and tears in composition, styrene butadiene styrene modified, asphalt, and metal roofs. It adds waterproofing to your roof and aids in the application of roofing materials over existing surfaces such as shingles. It can be used with a variety of materials, including concrete and masonry surfaces. Roof cement typically contains asphalt and various solvents and fillers, creating a solid barrier against moisture and preventing cracking and leaks.
For concrete roofs, new repair methods using epoxy and polyurethane foam can provide years of relief from leaks when performed properly. Hairline cracks are best repaired with low-viscosity epoxy resins, while wider cracks or cracks with obvious movement often achieve better results with polyurethane foam. To repair a crack with epoxy, clean the area, mix the epoxy paste according to the package directions, and apply the epoxy into the crack using an injector. After the epoxy dries, remove any excess epoxy with a chisel and hammer, and sand the area with grit sandpaper. For polyurethane foam repairs, add a small amount of water to the area to activate the resin, then slowly inject the polyurethane resin with the injector nozzle. Remove any excess polyurethane product with a damp rag before it cures.
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It can be applied to a variety of materials, including shingles and concrete
Do It Best's Premier 350 1 Gal. Wet or Dry Plastic Roof Cement is a versatile product that can be used on a variety of roofing materials, including shingles and concrete. This premium-grade mastic compound is designed to repair and protect your roof, offering a high level of durability and resistance to weathering.
The product is suitable for use on both metal and shingled roofs, making it a great option for homeowners with different roofing types. When applied, it creates a solid barrier that prevents moisture ingress, stopping leaks and cracks from occurring. This is particularly useful for those with shingled roofs, as the plastic roofing cement aids in waterproofing and helps with the application of roofing materials over existing surfaces.
In addition to its compatibility with shingles and concrete, the Do It Best plastic roof cement can also be used on a range of other materials. For instance, it can be applied to asphalt, gutters, chimneys, and flashings, making it a versatile option for various roofing repair needs. It is also suitable for use during inclement weather, providing emergency repairs when needed.
It is important to note that while this product offers versatility and ease of application, compatibility should always be checked beforehand. Some roofing materials, such as flexible PVC, synthetic shingles, and EPDM roofing, are incompatible with roof cement due to the presence of solvents. Therefore, it is recommended to consult the manufacturer's guidelines or technical department to ensure the product is suitable for your specific roofing material.
Overall, the Do It Best plastic roof cement is a reliable and adaptable solution for those seeking to repair and protect their roofs. With its ability to adhere to various materials, including shingles and concrete, it provides a simple and effective way to maintain the integrity of your roof.
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The surface must be clean and dry before application
Before applying plastic roofing cement, it is essential to ensure that the surface is clean and dry. This step is crucial for achieving optimal adhesion and creating a solid bond between the cement and the roof surface. Here are the key considerations and steps to prepare the surface:
Firstly, remove any old patches of roof cement or existing roofing materials. This step ensures that the new cement has a fresh, clean surface to adhere to. Use the appropriate tools to scrape and remove any old cement or debris, being careful not to damage the underlying roof structure.
Next, address any signs of rust, especially on metal surfaces. Clean and treat the rusted areas to prevent further corrosion and create a more suitable surface for the cement application. This step is crucial as applying cement over rust can compromise the bond and accelerate deterioration.
For concrete, masonry, and other absorbent surfaces, consider applying a coat of primer. The primer will not only enhance adhesion but also help regulate the absorption rate of these materials, ensuring a more uniform application. Follow the manufacturer's instructions for the best type of primer to use and allow adequate drying time before proceeding.
Additionally, be mindful of the compatibility of the roofing cement with the existing roof materials. Some materials, such as flexible PVC, are incompatible with asphalt, which is commonly found in roofing cement. Check with the manufacturer or technical department to confirm compatibility and avoid potential issues or voiding your roof warranty.
Finally, inspect the surface for any holes, cracks, or tears. Plastic roof cement can effectively repair and seal these issues, but ensuring a clean and dry surface will maximize the adhesion and longevity of the repair. Once the surface is prepared, follow the manufacturer's instructions for mixing and applying the plastic roofing cement.
By following these steps, you will ensure that the surface is indeed clean and dry, setting the right foundation for a successful application of plastic roof cement.
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Some common brands are Roofers Choice and APOC
Plastic roofing cement is a material that can be applied to add waterproofing to your roof and help in the application of roofing materials over an existing surface, such as shingles. It is manufactured to have a spreadable consistency and typically requires no heating or thinning. It can be used with a variety of materials and can also be used with concrete and masonry surfaces.
When choosing a plastic roof cement, it is important to consider the specific needs of your roof. Both Roofers Choice and APOC offer products that can address common issues such as leaks, cracks, and splits. Additionally, it is crucial to ensure that the surface is clean and dry before application, as mentioned earlier. Overall, plastic roofing cement is a useful product for prolonging the life of your roof and ensuring it remains durable and well-maintained.
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Frequently asked questions
Plastic roofing cement is a material that is applied to add waterproofing to your roof and aid in the application of roofing materials over an existing surface such as shingles. It is manufactured to have a spreadable consistency for ease of application and typically requires no heating or thinning.
Do It Best Plastic Roof Cement is a premium-grade mastic compound that can be used for emergency repairs during inclement weather conditions, repairing leaks in composition, mineral surface cap sheets, asphalt-coated shingles, concrete, flashings, gutters, chimneys, downspouts, and eaves. It can be used to repair most types of roof surfaces, including metal, shingles, and concrete.
Do It Best Plastic Roof Cement is purchased in a can or bucket-like container and is spread onto the roof using a trowel. It may also be applied using a caulking gun when sealing tears or hard-to-reach areas. When applied with a caulking gun, the cement is then smoothed using a putty knife to provide optimal leak protection and a cleaner finish.
It is important to ensure that the surface is clean and dry before applying plastic roofing cement. Old patches of roof cement should be removed, and rust should be cleaned from metal surfaces. Concrete, masonry, and other absorbent surfaces may need a coat of primer before application. Additionally, check the compatibility of the roofing cement with the roof material. For example, roofing cement is incompatible with EPDM roofing, flexible PVC, and some synthetic shingles.
APOC 365 Eterna-Flash is a high-quality rubberized flashing and roof cement that receives great reviews from roofers and homeowners. It is suitable for making long-lasting repairs to your roof. Roofers Choice 15 Plastic Black Roof Cement is another alternative available at Home Depot.
