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Gutter Waterproofing That Protects Your Home
Common Gutter Problem Areas
Leaking Joints
Rust & Corrosion
Poor Flow & Blockages
Leak-Sealing Repairs
Long-Lasting Gutter Protection
How we work
1.
Quote
2.
Fix
3.
Guarantee
Types of Gutters We Repair & Waterproof
Gutter Repair & Waterproofing Methods
Gutters built to handle heavy rains, hail, and daily sun exposure
Our results speak for themselves
What our clients are saying
"I want to publicly thank the team at ITA CORP for the extremely professional and reliable work they did recently on our patio roof. We've struggled with leaks for years, and now, with ITA CORP on the job, I feel comfortable since Malvern is conscientious, eager to help, knowledgeable, and his communication and follow-up is amazing."
"Itacorp have provided excellent services and quality workmanship throughout the years. Any comeback is dealt with immediately/timeously.
Itacorp takes pride in their workmanship. Recommended."
"Itacorp has helped me a lot with dampness walls, slabs water proofing, as well as storm water drain system that has given me years of problem. knowledge and service is out of this world, thank you Malven Makura.😀"
"I want to extend a big thank you to ITA CORP for the outstanding work they did on my house. From start to finish, their professionalism, attention to detail, and quality of workmanship were exceptional. It’s rare to find a team that delivers exactly what they promise—and they certainly did. Highly recommended for anyone looking for reliable, top-notch service!"
"I have had the pleasure of several dealings with Melvern and his professional team where the work done has always been above & beyond expectations and have no hesitation in referring his company."
"We have had serious issues with water damage that was driving us insane. Malvern’s team waterproofed our bathroom and fixed what another contractors managed to damage."
Get in touch
What Professional Gutter Waterproofing Really Involves in Johannesburg
A gutter system is one of the most overlooked parts of a property, yet it is one of the first to cause water damage when it fails. Gutter waterproofing goes far beyond sealing a single leak. It involves reinforcing every joint, correcting flow, treating rust before it spreads, and ensuring the system can handle Johannesburg’s heavy summer rains.
Most leaks start at small seams or rusted screws, then rapidly turn into stains, damp walls, and foundation problems. Our work focuses on identifying the weaknesses that often go unnoticed until damage is already done.
Why Our Gutter Repair Approach Works
We use a combination of structural repairs, waterproofing systems, and protective coatings designed specifically for metal, PVC, and box gutters.
We do not rely on silicone patches or quick fixes that peel away after a few storms. Instead, we reseal joints properly, reinforce weak seams, treat rust with high-quality primers, and apply coatings that remain flexible under heat. In cases where rust has already progressed on metal guttering, we often combine this service with rust treatment for metal roofs to prevent further deterioration.
This approach creates a complete waterproof barrier that lasts through seasonal storms and daily UV exposure.
Who Our Gutter Repair Service Is Designed For
This service is ideal for:
• Homeowners with leaking or sagging gutters
• Properties experiencing water pooling or overflow during rain
• Buildings where joint leaks are causing wall dampness
• Homes with rusted metal gutters or cracked PVC sections
• Properties with flat roofs relying on box gutters for drainage
• Commercial buildings needing durable, large-scale gutter solutions
If your gutters spill, overflow, or drip even slightly, it is a sign the system needs professional attention.
Problems We Solve Before They Become Costly
Gutter leaks rarely stay small. We help prevent:
• Water running behind gutters and into walls
• Damp marks inside the property
• Rust holes in gutter bases and seams
• Blockages that cause overflow
• Sagging due to incorrect slopes
• Water pooling near foundations
A properly waterproofed gutter protects every part of your property from avoidable water damage.
Benefits and Outcomes of Proper Gutter Waterproofing
Once your gutter system is repaired and waterproofed, you can expect:
• Smooth, uninterrupted water flow
• A leak-proof gutter system even during heavy storms
• Joints and seams reinforced for long-term protection
• Significantly reduced risk of rust and corrosion
• Longer lifespan of metal and PVC gutters
• Cleaner exterior walls with no water streaks or damp
A gutter system that works properly adds structural protection and value to your home.
How Our Gutter Repair & Waterproofing Process Works
Our process is tailored to the type and condition of your gutter system.
Full assessment of joints, seams, slopes, and rusted areas
Removal of loose coatings, rust, and failed sealants
Joint and seam resealing with durable waterproofing compounds
Crack patching and surface repair
Rust treatment using high-performance primers
Application of acrylic or liquid rubber lining
Correction of flow to ensure proper drainage
Final watertightness and flow test
This ensures a complete repair, not a temporary patch.
If the gutter issues are connected to larger roof-related problems like leaks or damaged waterproofing, we may recommend complementary roof leak repairs to ensure the entire system remains watertight.
Common Questions About Gutter Waterproofing
Why does my gutter leak only during heavy rain?
Heavy rain forces water into small gaps that remain hidden during normal rainfall.
Can you repair old metal gutters or must they be replaced?
Most metal gutters can be repaired and waterproofed unless they are severely corroded.
Do you waterproof PVC gutters?
Yes. PVC gutters need joint resealing and flow correction to stay leak-free.
How long do the coatings last?
Our waterproofing systems are designed to last for several years depending on exposure and gutter material.
Can you fix sagging or incorrectly sloped gutters?
Yes. We correct slopes to restore proper water flow and prevent overflow.
You Can Protect Your Home Before the Next Storm
If your gutters are leaking, rusting, or overflowing, it is best to address the problem now before the rainy season arrives. Book a roof assessment and we will recommend the most effective long-term repair and waterproofing solution for your gutter system.
Service Areas
We provide professional waterproofing and painting services across Johannesburg’s northern suburbs, including Sandton, Sandhurst, Hyde Park, Westcliff, Houghton Estate, Bryanston, Illovo, Dunkeld, Sandown, Morningside, Parktown North, Rosebank, Melrose, Fourways, Steyn City, Hallinghum, Dainfern, and other prime northern areas.