Nov . 17, 2024 09:02 Back to list

asphalt roll roofing installation

A Comprehensive Guide to Asphalt Roll Roofing Installation

Asphalt roll roofing is a popular choice for many homeowners and contractors due to its affordability, durability, and ease of installation. Ideal for low-slope roofs, this type of roofing material can provide effective protection against the elements. If you are considering installing asphalt roll roofing on your building, this guide will walk you through the necessary steps to ensure a successful installation.

Understanding Asphalt Roll Roofing

Asphalt roll roofing comes in large rolls, typically around 36 inches wide and 100 feet long. It is primarily made of a base mat, which is often composed of organic felt or fiberglass, saturated with asphalt, and coated with granular materials for added UV protection. The material is designed to resist moisture, making it an excellent choice for areas prone to heavy rainfall or snow.

Preparing for Installation

Before starting the installation, it’s crucial to assess the existing roof condition. Ensure that the roof deck is clean, dry, and free from any debris. Any damaged or rotten areas should be repaired or replaced to provide a solid foundation for the new roofing material. If you're working with an existing roof, remember that most building codes allow a maximum of two layers of roofing. If your roof already has two layers, you will need to remove them before installation.

Tools and Materials Needed

Before you begin, gather the necessary tools and materials - Asphalt roll roofing - Roofing nails (1-inch or longer) - Utility knife - Tar paper (underlayment) - Roofing cement - Roller or brush for asphalt adhesive (if applicable) - Ladder and safety gear - Measuring tape - Chalk line - Asphalt roofing primer (for surfaces that require additional adhesion)

Step-by-Step Installation Process

1. Lay the Underlayment Start by laying down a layer of tar paper or roofing felt over the entire roof deck. This underlayment acts as an additional barrier against moisture. Overlap each row by about 2 inches and secure it with roofing nails.

asphalt roll roofing installation

2. Measure and Cut the Rolls Roll out the asphalt roofing material and measure the length needed for your roof. Use a utility knife to cut the rolls to size, ensuring that you leave an overhang at the eaves and rakes.

3. Start from the Eaves Begin installing the roll at the lowest point of the roof, usually the eaves. Apply roofing cement along the edge of the underlayment and press the first roll down, securing it in place with roofing nails. Ensure that the nails are driven vertically, approximately every 12 inches.

4. Overlap the Seams As you install the next roll, ensure that it overlaps the previous one by about 6 inches to create a watertight seal. Use roofing cement along the overlap for added protection.

5. Continue Installing Rolls Repeat the process, moving upward and working your way to the peak of the roof. Make sure each row is securely fastened and properly aligned.

6. Trim Excess Material Once the roofing material is installed, trim any excess overhanging areas at the eaves with a utility knife for a neat finish.

7. Seal the Edges and Seams Apply roofing cement to all exposed edges and seams for additional waterproofing. This step is critical to prevent leaks and prolong the life of your roof.

8. Final Check Inspect the entire roof for any loose areas or imperfections. Repair any weak spots, ensuring your new asphalt roll roofing is secure.

Conclusion

Installing asphalt roll roofing can be a DIY project for those comfortable with basic roofing techniques. However, if you are uncertain or prefer a professional finish, hiring a licensed contractor may be the best option. By following the steps outlined in this guide, you can install asphalt roll roofing successfully, ensuring your building is protected for years to come. Remember always to prioritize safety and wear appropriate gear throughout the installation process.

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