What You Should Know Before Installing a New Roof: Expert Tips

As the owner of Pro Waterproofing, with years of experience in both roof repairs and waterproofing, I’ve guided countless clients through the roof installation process. Whether you’re dealing with leaks, weather damage, or simply replacing an aging roof, it’s important to understand what to expect before the work begins. Here’s my expert take on what every homeowner or business manager should know before installing a new roof.

Roofing Installation Timeline: What to Expect

One of the most common questions I hear is: how long will the entire process take? While each project varies, the timeline for a roof installation usually ranges from 1 to 14 days. The actual duration depends on the size of the roof, the materials chosen, and factors like weather conditions or material availability.

Once the installation starts, we aim to have the new roof in place within three to five days. Keep in mind, though, that unexpected issues—such as hidden structural damage—can occasionally extend this timeframe. We make it a priority to keep you updated at every step to ensure the project stays on track.

Removing the Old Roof

Removing the existing roof is the first crucial step in the process. Our team at Pro Waterproofing begins by stripping the roof down to the rafters, starting from the highest point and working downward. We remove only as much roofing as we can replace in a single day, ensuring that no part of your home is left exposed to the elements overnight.

Our goal is to keep the process as clean and orderly as possible. To manage debris, we often use tarps to prevent damage to your property and remove waste efficiently. For older homes with asbestos roofing, we follow strict safety protocols to handle the material responsibly.

Dealing with Unforeseen Issues During Installation

While we conduct thorough assessments before beginning any project, sometimes issues aren’t visible until the old roof is fully removed. Problems like rotting beams, sagging purlins, or other structural damage can sometimes be hidden beneath the surface.

If we do encounter these kinds of problems, we’ll stop and discuss the situation with you immediately. We believe in complete transparency and will walk you through all repair options before moving forward, ensuring the solution meets your needs and budget.

The Role of Sisalation Underlayments

An often overlooked part of the roofing process is the installation of sisalation underlayments. This reflective aluminium-coated material is placed over the rafters before the new roof sheets go on. It acts as a barrier against condensation, helping to keep moisture out and protect your ceilings from potential water damage.
In addition to water protection, sisalation also boosts energy efficiency by reflecting heat, keeping your property cooler in summer and warmer in winter.

Chimneys, Skylights, and Other Roof Penetrations

If your roof has any chimneys, skylights, or vents, these areas require special attention. Each penetration creates a potential weak spot where leaks can occur if not properly sealed. At Pro Waterproofing, we treat each one individually, using materials like flashing, caulking, or torch-on membranes to ensure a watertight seal.

Every chimney and skylight can vary in design and material, which is why we approach each one with a tailored solution to prevent future leaks.

Roof Valleys: A Key Area for Water Flow

Roof valleys—the places where two slopes meet—are particularly vulnerable to water damage. Water tends to rush through these areas, so it’s essential to install diverters that direct water safely away from the vulnerable sections of the roof. We use high-quality valley sheets, available in materials like aluminium or Zincalume, which are interlaced with the roof sheets to ensure proper drainage.

Enhance Your Roof with High-Profile Ridges

For those looking to add both function and style to their roof, high-profile ridges are a great option. These ridges not only protect the seam where two roof slopes meet but also add a striking architectural element to your home. They’re a small but impactful feature that can make your roof stand out while offering extra protection.

At Pro Waterproofing, our goal is to ensure that your new roof not only looks great but performs well for years to come. We believe that informed clients make the best decisions, which is why we’re here to guide you every step of the way.

For all your roofing and waterproofing needs, feel free to contact us at 078 057 9663 or visit us at 6 Sebopa St, Mamelodi – RD5, Pretoria, 0122. Let us help you protect your home with a roof that’s built to last.