For projects in Manila
School and classroom acoustics in Manila
Hard floors, bare walls and long corridors that amplify everything. Children with developing language, and anyone with a hearing difficulty, lose more from a live classroom than adults do, which is why intelligibility is the target rather than quiet. Classrooms are hard and naturally ventilated with very large class sizes and open corridors.
- Classroom RT
- A number, set against room volume, achieved mostly at the ceiling.
- Corridor spill
- Long hard circulation feeds every room off it. Treating the corridor helps every classroom at once.
- Halls and gyms
- Dual use rooms carrying speech, music and sport, where durability decides the product.
- Quote
- From a plan and a section, within 48 hours
01 / What it is
The product, described honestly, for a Manila brief
Hard floors, bare walls and long corridors that amplify everything. Children with developing language, and anyone with a hearing difficulty, lose more from a live classroom than adults do, which is why intelligibility is the target rather than quiet.
Classrooms are hard and naturally ventilated with very large class sizes and open corridors.
Work reaching us from Manila is mostly service and call centre floors, offices, condominium towers, hotels, hospitals, schools.
- Hundreds of simultaneous conversations A call floor is not an echo problem. Absorption alone will not deliver privacy or intelligibility, so ceiling, screens and layout have to work together.
- Concrete towers, hard interiors The structure blocks well. The problem is tile and glass making the room ring, and impact passing down through slabs.
- Typhoon season and humidity PET felt does not absorb moisture, rot or feed mould, which matters where mineral products sag within a season.
- Classroom RT A number, set against room volume, achieved mostly at the ceiling.
Full specification
Thickness, density, NRC by frequency, fire class, standard sizes and build-up detail for school acoustics are on the main product page. This page covers what that means for a project in Manila.
02 / The build-up
The stack, in the order it is installed
-

Layer 1
PET felt acoustic panels
A rigid non-woven panel pressed from 100% polyester fibre, a large part of it recycled. In Manila, split units and VRF running at full load year round, with condensers close to occupied rooms.
Over a porous backing. Panel over mineral or PET backing where the room needs genuine low mid control.
-

Layer 2
Wood wool acoustic panels
Wood fibre bound into a rigid board with an open texture. In Manila, church buildings, gymnasiums and function halls carry amplified speech and music in hard volumes.
On a cavity. Mounted on battens with an air gap, which is where the low mid performance comes from.
-

Layer 3
Ceiling baffles and clouds
PET felt suspended from the soffit, vertically as baffles or horizontally as clouds. In Manila, classrooms are hard and naturally ventilated with very large class sizes and open corridors.
Mixed with services. Set out around ducts, trays and lighting rather than fighting them, coordinated from your reflected ceiling plan.
Architects working in Manila usually need the build-up before the product. We will draw the section and mark what does the work. See how we support architects.
03 / On the ground
What decides the build-up in Manila
- Hundreds of simultaneous conversations
A call floor is not an echo problem. Absorption alone will not deliver privacy or intelligibility, so ceiling, screens and layout have to work together.
- Concrete towers, hard interiors
The structure blocks well. The problem is tile and glass making the room ring, and impact passing down through slabs.
- Typhoon season and humidity
PET felt does not absorb moisture, rot or feed mould, which matters where mineral products sag within a season.
- Traffic outside, all day
Street noise reaches rooms through glazing rather than walls, so the facade is where the first money should go.
- Assembly and performance rooms
Church buildings, gymnasiums and function halls carry amplified speech and music in hard volumes.
- School and campus buildings
Classrooms are hard and naturally ventilated with very large class sizes and open corridors.
04 / Room by room
Room by room, on a typical Manila job
-

Classroom RT
A number, set against room volume, achieved mostly at the ceiling. A call floor is not an echo problem. Absorption alone will not deliver privacy or intelligibility, so ceiling, screens and layout have to work together.
- Wood wool acoustic panels, 1200 x 600 mm
- Acoustic panels, 1800 x 900 mm, image printed into the felt rather than onto a facing
- Acoustic carpet and rugs, High density polyester
-

Corridor spill
Long hard circulation feeds every room off it. Treating the corridor helps every classroom at once. The structure blocks well. The problem is tile and glass making the room ring, and impact passing down through slabs.
- Wood wool acoustic panels, 20 mm
- Acoustic panels, Cut pattern in PET felt, adds visual rhythm without changing the absorber
- Acoustic carpet and rugs, Felt
-

Halls and gyms
Dual use rooms carrying speech, music and sport, where durability decides the product. PET felt does not absorb moisture, rot or feed mould, which matters where mineral products sag within a season.
- Wood wool acoustic panels, 400 kg per cubic metre
- Acoustic panels, ASTM C423
- Acoustic carpet and rugs, 64 sq ft per pack
If the visual is fixed and the room still has to perform, that is a solvable problem and a conversation worth having early. See how we work with interior designers.
04 / Climate
The Manila climate decides the material list
Manila is warm and humid through most of the year, with a long wet season, and that narrows the material list before acoustics is discussed.
Humidity is the deciding factor. PET felt does not absorb moisture, shed fibre or feed mould, which is why it outlasts fabric-wrapped mineral wool in this climate. Wood wool and timber need a ventilated cavity behind them.
The failure we design against here is mould, sagging fabric finishes and swelling in timber.
If a consultant has set the target, we will quote against their figures rather than ours, and stay out of the scope they own. More on working with acoustic consultants.
06 / Worth knowing
What we watch go wrong on jobs like this
-
Panels at child height where they get damaged
Small on the drawing, expensive on site, and almost always found after handover.
-
Treating one classroom and leaving the corridor
Small on the drawing, expensive on site, and almost always found after handover.
-
Choosing a product that cannot take a football
Plant noise treated as a room problem is the most reliable way to spend a budget and change nothing anyone can hear.
-
Treating it as a generic Manila job
A call floor is not an echo problem. Absorption alone will not deliver privacy or intelligibility, so ceiling, screens and layout have to work together.
05 / Supply
Getting it to Manila, with real dates
| Ships from | Palwal, Haryana, India |
|---|---|
| Arrives at | Manila, then a short road run to site |
| Dispatch | 4 to 7 working days |
| Freight | Sea via Manila |
| Support | Drawings, build-ups, BOQ and material that arrives complete |
Standard items dispatch in 4 to 7 working days. Grooved panels and custom colours take longer, and we say so before you order, not after.
Sea freight into Manila, then a short road run to site. Air freight for samples and urgent quantities.
Questions from Manila projects
What makes school and classroom acoustics different in Manila?
Classrooms are hard and naturally ventilated with very large class sizes and open corridors. A call floor is not an echo problem. Absorption alone will not deliver privacy or intelligibility, so ceiling, screens and layout have to work together.
Where should the budget go first on a Manila project?
Classroom RT. A number, set against room volume, achieved mostly at the ceiling. Corridor spill. Long hard circulation feeds every room off it. Treating the corridor helps every classroom at once.
Do you have an office or installation team in Manila?
No. We manufacture in India and supply into Manila. We give you drawings, build-ups, a BOQ and material that arrives complete, and we will tell you plainly when a job needs a local contractor we cannot be.
How does material get to a Manila site?
ships from: Palwal, Haryana, India, arrives at: Manila, then a short road run to site, dispatch: 4 to 7 working days. Standard items dispatch in 4 to 7 working days. Grooved panels and custom colours take longer, and we say so before you order, not after.
What goes wrong most often on this kind of project?
Panels at child height where they get damaged. Treating one classroom and leaving the corridor.
What do you need from us to quote?
A plan, a section through the critical partition or ceiling, and what the room is for. From that we can give a build-up and a BOQ rather than a price per square foot.
Next step
Drawings in, BOQ and a delivered date out
One drawing gets you a proper answer. Build-up, quantities, a delivered date, and an honest note on anything we think is the wrong approach.