Concrete roofs are constantly exposed to rainwater, heat, substrate movement, and surface aging. Once the waterproofing layer loses adhesion or the concrete interface becomes weak, water can travel under the membrane and appear as damp patches, ceiling stains, or recurring leakage far from the original entry point.
For concrete roof areas that require stronger interface treatment and a more stable waterproofing layer, CKS recommends a two-product solution: Latex G101 for interface reinforcement, followed by Aquaprufe 3000W as a high-polymer, pressure-sensitive adhesive bitumen membrane. Together, they help strengthen the substrate, improve bonding, target leakage risk, and create a durable waterproof layer for protected concrete roof applications.
Many roof leakage problems are not caused by the waterproofing product alone. In real site conditions, concrete roofs may contain dust, weak mortar, microcracks, uneven moisture, hollow areas, or old coating residues. If the interface is not properly treated, the next waterproofing layer may not bond firmly to the substrate. This can lead to hollowing, peeling, water migration, and repeated leakage after rain.
Latex G101 is designed to solve this key interface problem. As a high-performance, two-component interface treatment material, it improves the strength of the concrete or mortar surface and enhances the adhesion of subsequent waterproofing materials.
Latex G101：Two-component interface treatment material
Strengthens the concrete interface, improves bonding, reduces hollowing risk, and supports moisture-resistant treatment.
Aquaprufe 3000W：High-polymer pressure-sensitive adhesive bitumen membrane
Forms a fully bonded waterproof layer with strong tensile strength, dimensional stability, puncture resistance, and flexibility.
· Interface Reinforcement: Latex G101 helps reinforce concrete, mortar surfaces, exposed concrete substrates, and lightweight partition wall interfaces. It improves substrate strength and prepares the surface for better adhesion.
· Targets and Seals Leakage Risk: Aquaprufe 3000W uses a pressure-sensitive adhesive bitumen layer and wet-applied bonding concept to create a close waterproof skin on the substrate, helping reduce water channeling under the membrane.
· Stable and Durable: The robust dual-layer film structure, combined with vertical and horizontal mesh, enhances tensile strength, dimensional stability, heat resistance, tear resistance, puncture resistance, and impact resistance.
· Cold and Safer Installation: Aquaprufe 3000W supports cold application with self-adhesive overlaps, helping reduce open-flame installation risks on suitable projects.
· Flexible Protection: The membrane offers high elongation to accommodate movement and provides external protection against aggressive soil or groundwater conditions in applicable non-exposed areas.
· Concrete roof waterproofing areas that will receive a protective screed, tile layer, protection board, or approved covering.
· Roof leakage repair projects where the substrate needs stronger interface treatment before membrane installation.
· Concrete, mortar, plastered, aerated concrete, and brick-concrete surfaces requiring adhesion improvement.
· Warehouses, workshops, and civil building areas with higher waterproofing and damp-proofing requirements.
· Non-exposed waterproofing and damp-proofing works for civil buildings, ponds, utility tunnels, tunnels, and other protected structures, subject to project design.
· Long-term exposed roof surfaces without a protective layer or approved UV-resistant covering.
· Areas with active water leakage, structural cracks, or severe ponding that have not been repaired before installation.
· Loose, dusty, oily, hollow, or unstable substrates that have not been cleaned, repaired, and reinforced.
· Projects where drainage slope, detail nodes, or roof outlets have not been corrected.
1. Substrate Preparation: Clean the concrete surface. Remove dust, loose materials, oil, hollow areas, weak mortar, old residues, and standing water. Repair cracks, corners, pipe penetrations, drainage outlets, and other detail areas before waterproofing.
2. Apply One Coat of Latex G101: Apply Latex G101 evenly to the prepared substrate as an interface reinforcement layer. Make sure the surface is fully treated and suitable for the next waterproofing process according to product instructions and site conditions.
3. Lay Aquaprufe 3000W and Press Firmly: Install Aquaprufe 3000W onto the treated surface. Press the membrane firmly to ensure close contact with the substrate. Seal overlaps and detail areas carefully, then apply the required protection layer according to project design.
A quick coating repair may temporarily cover visible cracks, but it may not solve the deeper interface problem. The Latex G101 + Aquaprufe 3000W system follows a more complete logic: first reinforce the substrate, then build a fully bonded waterproofing layer. This helps reduce the risk of hollowing, lateral water migration, peeling, and repeated leakage after heavy rain.
Can this system be used for concrete roof waterproofing?
Yes. It is suitable for concrete roof waterproofing areas that will be protected by screed, tiles, protection board, or an approved covering. Aquaprufe 3000W should not be treated as a long-term exposed roof top layer unless confirmed by project specification.
Why is Latex G101 used before the membrane?
Latex G101 reinforces the interface, improves substrate strength, and enhances adhesion for the subsequent waterproofing layer. This helps reduce hollowing and weak bonding.
Does Aquaprufe 3000W require torch application?
Aquaprufe 3000W supports cold application with self-adhesive overlaps. Always follow the official product instructions and project method statement.
Can it stop active leakage immediately?
The system is designed for waterproofing and damp-proofing after proper surface preparation. Active leaks, cracks, pipe penetrations, and ponding areas should be repaired before membrane installation.
What is the biggest advantage of the system?
The biggest advantage is the combination of interface reinforcement and fully bonded membrane waterproofing. This improves adhesion, stability, and durability compared with simple surface covering.
Need a concrete roof waterproofing solution for a repair project, warehouse, workshop, or protected roof area? Contact CKS for product selection, site assessment support, and application guidance for Latex G101 + Aquaprufe 3000W.
