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What Does ΔLw ≥16dB Mean for Acoustic Floor Adhesives? Can It Fix Hollow Floating Floors?
1.Introduction
A rating of ALw≥16dB represents the top-tier international benchmark for building acoustic impact insulation, effectively cutting structural impact noise transfer by over 80%. By utilizing a full-spread, high-mass elastic layer, it permanently eliminates the drumming “hollow sound” and lock-joint clicking typical of floating floors.
2.Pain Point Analysis
Acoustic Air Gaps: Floating installations or cheap point-bonding leave micro-cavities between the subfloor and floorboards. These air pockets act as acoustic resonance chambers, generating an annoying hollow drumming noise under foot traffic.
Adhesive Degradation & Friction Squeaks: Low-grade adhesives embrittle under radiant underfloor heating or structural shifting. Once the bond cracks, tongue-and-groove joints rub against each other, causing persistent, costly squeaking defects.
3.Technical Data Comparison
| Technical Property | Traditional Floating / Standard Glues | INGADA MS-77C Acoustic Adhesive |
|---|---|---|
| Impact Noise Reduction (ΔLw) | < 5 dB (No acoustic damping) | ≥16dB (High-mass structural absorption) |
| Tensile Shear Strength | 0.8 MPa (Prone to brittle adhesive failure) | 2.4 MPa (2-3x stronger than silicone) |
| Thermal Service Range | Softens or cracks at > 50°C | -40°C to 90°C (Underfloor heating optimized) |
| Application Coverage Rate | Uneven spot-bonding application | 500–1,000 g/m² (Full-spread acoustic barrier) |
| Mold & Microbe Resistance | None (Prone to underfloor rot/decay) | Class 0 (Maximum certified mold proofing) |
4.Solution & Product Model
The INGADA MS-77C (“The Hollow Sound Fix”) is engineered with advanced Silane-Modified Polymer (MS Polymer) technology. Applied via full-spread coating at 500–1,000 g/m², it cures into a heavy-duty, highly elastic barrier that fully replaces mechanical fasteners. Backed by INGADA’s 50,000+ tons of annual production capacity, we guarantee stable, high-volume B2B supply chains globally.
5.Regulatory Compliance
INGADA MS-77C is completely compliant with global green building mandates. It carries official FDA Food Contact Safe, RoHS, and CE certifications, alongside achieving a Class 0 Mold Proof rating, eliminating indoor air quality risks for LEED-certified medical or luxury residential projects.
6.On-Page FAQ
Q1: How is the ΔLw ≥16dB metric verified?
A1: It is tested under international acoustic standards on a standardized concrete slab using a tapping machine, measuring the precise impact sound pressure level difference before and after applying INGADA MS-77C.
Q2: How does it resolve the hollow floor issue?
A2: Full-spread application eliminates the micro air gaps beneath the planks, deadening resonance and transforming the floor into a solid-mass acoustic structure.
Q3: Will the acoustic performance degrade over time?
A3: No. INGADA’s 100% plasticizer-free, anti-shrinkage core prevents embrittlement, ensuring consistent rubber-grade elasticity for decades.
IndustrialAdhesives #AcousticFlooring #MSPolymer #Procurement #ConstructionEngineering #INGADA
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