How to Install Roll Roofing: A Step-by-Step Guide

Installing roll roofing yourself can save money, but many homeowners also hire siding contractors for complete exterior projects. This guide walks you through the complete process of roll roofing installation. We'll cover roof preparation, gathering materials, priming surfaces, applying the roll, and final touches. Each step is important for creating a roof that protects your home for years. Following these steps carefully will help you get professional results.

Roof Preparation

Start by checking your roof surface for any damage. Look for cracks, holes, or rotten wood that needs fixing before you begin. Clean the roof completely by removing dirt, leaves, and loose materials that could stop the roofing from sticking properly. Fix any problems with the roof structure to create a solid base for the new material. Make sure the surface is dry before moving to the next step. Good preparation leads to better results and a roof that lasts longer.

Material Gathering

Get all your materials ready before starting the job. Here's what you need:

1. Roll Roofing Material: Buy enough material to cover your roof area plus 10% extra for mistakes

2. Roofing Nails: Use galvanized nails that are long enough to go through the roofing and into the deck

3. Roofing Cement: Get quality cement to seal edges and prevent leaks

4. Tools: You'll need a utility knife, measuring tape, chalk line, hammer or nail gun, and rollers

Having everything ready saves time and prevents delays during installation.

Surface Priming

Clean the surface again before applying primer. Use a primer made specifically for your roofing material type. Apply primer evenly with a roller or brush, covering all areas where the roofing will go. Make sure you don't miss any spots, as unprimed areas won't stick well. Let the primer dry completely according to the label directions before continuing. This step creates a strong bond between your roof and the new material.

Roll Application

Start installing the roofing material carefully. Here's how:

1. Aligning the Roll: Place the roll parallel to the roof edge, letting it hang over about 1/4 inch

2. Securing the Roll: Use nails every 3 inches along edges and every 6 inches in the middle areas

3. Applying Pressure: Press down to remove air bubbles, working from the center outward

4. Overlap Seams: Each new roll should overlap the previous one by at least 2 inches for water protection

Work slowly and check your alignment often to avoid problems later.

Finishing Touches

Check all edges and seams carefully for gaps. Apply roofing sealant to all edges and where pieces meet to prevent water from getting in. Use enough sealant to cover these areas completely, then smooth it out for a clean look. Walk around the entire roof to make sure you didn't miss anything. Look for loose nails, gaps, or areas that need more sealant. Taking time with these final details makes your roof more durable and helps it look professional.

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