Solving Common Roof Issues with Triflex Systems

Roof Problems in Southeast Asia & How Liquid-Applied Waterproofing Solves Them

In Southeast Asia, roofs are your building’s first and fiercest line of defense. Whether it’s a residential terrace, a high-rise commercial roof, or an industrial facility, all roof types must endure the region’s extreme climate—intense heat, torrential rain, high humidity, and strong UV radiation.

Over time, these environmental stressors create challenges that traditional roofing methods may not be able to handle. But with the right liquid-applied waterproofing system—especially one based on fast-curing PMMA (Polymethyl Methacrylate)—these challenges can be effectively resolved with minimal disruption.

Let’s explore the most common roof problems in the region and how Triflex solutions can help.

1. Cracking, Delamination & Surface Deterioration

The issue: Structural movement from thermal expansion, UV exposure, and aging leads to cracking and surface wear.

Why It’s Critical: Water ingress through cracks accelerates structural damage and can trigger mold, staining, and corrosion.

What people ask:

“How do I prevent my rooftop slab from cracking again?”
“What’s the best waterproofing solution that lasts in humid climates?”

Triflex solution:
Seamless and fully bonded, Triflex ProTect and Triflex JWS offer crack-bridging flexibility and resist detachment. Ideal for both new and refurbished concrete surfaces like in this rooftop terrace project.

2. Ponding Water on Flat Roofs and Inadequate Drainage

The issue: Flat roofs without proper slope retain water, accelerating deterioration and increasing leak risk.

Common questions:

“Will standing water damage my waterproofing?”
“Can I still waterproof without modifying the structure?”

Triflex solution:
Triflex ProTect and Triflex BTS-P systems are hydrolysis-resistant and perform under ponding. They're used in balconies, rooftops, and even podium decks.

3. Leaks at Penetrations, Parapets & Complex Details

The issue: Traditional membranes struggle to seal around vents, drains, or wall connections—common leak origins.

What users want to know:

“How can I waterproof corners, joints, or pipe penetrations?”
“What’s the solution for difficult detailing?”

Triflex solution:
Triflex ProDetail is engineered specifically for complex and high-movement details. See how it helped protect the iconic Gandhi Museum dome and the Tuas factory roof.

Triflex Case Study_Ghandi Smirthi_ProDetail_work in progress photos

4. UV and Weathering Degradation

The issue: Constant UV and tropical conditions cause premature aging in bitumen and traditional coatings.

Search queries:

“How to waterproof my roof long-term under harsh sun?”
“Which roof system resists heat and humidity?”

Triflex solution:
PMMA chemistry in Triflex systems is UV-stable and retains flexibility in extreme climates. These properties have proven successful in high-exposure locations like the Sentosa Cove rooftop.

5. Disruptive Installation & Limited Weather Windows

The issue: Many systems require long cure times, multiple coats, or hot works—not ideal for wet, humid conditions.

User concerns:

“Can waterproofing be done during the rainy season?”
“Is there a fast, safe system for occupied buildings?”

Triflex solution:
All systems are cold-applied, VOC-free, and rapid-curing. Triflex SmartTec cures even on damp substrates and was chosen for the WOHA Green Wall Courtyard.

Why Triflex Liquid Waterproofing Systems Excel in APAC

Triflex in APAC
Challenge	Triflex PMMA Advantage
Tropical storms	Rainproof in 30 minutes
Tight timelines	Cures in 45-60 minutes
Complex detailing	Liquid-applied = no seams
UV, humidity, thermal stress	Long-term performance
Occupied buildings	No odour, no fire risk