The slab
Concrete or timber joists. It carries the load of the new plane and decides which fixing is allowed. What sits above is checked before anything is measured.
Suspended ceilings, district of Heinsberg
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A suspended ceiling is a plane of its own: it carries light, damps sound, takes services out of sight and levels out a crooked slab. MK-AUSBAU plans that plane on a grid and builds it true.

01Build up
A suspended ceiling is built downward. Every layer has a job, and every layer can be got wrong. That is why it is planned before the first hanger goes up.
Concrete or timber joists. It carries the load of the new plane and decides which fixing is allowed. What sits above is checked before anything is measured.
Hangers set on the axis grid and adjustable in height. Where quiet matters, resilient hangers go in between so that the new plane never touches the old one.
Primary and secondary channels cross on the grid, with the perimeter channel running round the walls. That grid decides where a light fitting may later sit.
Plasterboard screwed in staggered courses, joints filled, taped and finished to the agreed quality level.
NoteHow much depth the construction needs is settled on site: by how uneven the slab is, by the services in the void and by what has to be built into the plane.
02Ceiling plan
The reflected ceiling plan is the finished plane seen from below. Axes, light fittings, outlets and access panels are placed on it before anyone drills.
Every downlight needs room between two channels and clearance from the insulation. On the plan that is a minute of work, in a finished ceiling it is a strip out.
Ventilation, smoke detectors and speakers are given their positions before the plane is closed.
Anything that has to be serviced needs an opening. Where it goes belongs in the plan and not in a later search.
Board joints follow the grid. A properly set out joint pattern is the difference between a surface and a patchwork.
NoteThe plan is not paperwork. It is the cheapest place a mistake can still be made, because there it costs nothing.
Let us talk about your ceiling before the plan is fixed.
A few sentences are enough for a first assessment.
03Reasons
Not every room needs a second ceiling plane. These six reasons carry one.
Ventilation, wiring and pipework run in the void, with no chasing cut through existing fabric.
Downlights, coves and light lines sit where they are needed, because the plane was built for them.
The suspended plane acts as a second leaf against noise from above. How well it works is decided by the isolation.
In an older building the slab is rarely flat. The new plane is set to a level of its own, whatever sits above it.
F30 and F90 are reached through tested system build ups. Which build up applies is stated in the manufacturer approval, and that is what gets built.
A stepped ceiling area separates cooking from dining without a wall being needed.
NoteIf none of these apply, we say so. We do not build a ceiling whose only effect is to cost you head height.
04Light
A suspended ceiling is the easiest place for light to become part of the room instead of a device on the ceiling.

Set on the grid, not wherever there happened to be space. The cut out is drilled once the position is fixed.
A perimeter edge with a concealed fitting. The light comes back off the wall and the ceiling reads higher.
A narrow slot in the field that light comes out of. It asks for a clean profile and a straight line over the whole run.
NoteYou choose the fittings. We build the plane so that they fit, and settle the positions with the electrician beforehand.
05Acoustics
A single leaf ceiling passes sound straight on. A suspended ceiling acts as a second leaf, but only while it never touches the first.
Mass, spring, mass
Two heavy leaves with a resilient void between them: that is the principle by which drywall goes quiet. The mineral wool in the void and the yielding channel work together like a shock absorber and slow the vibration before it reaches the lower leaf. Any rigid connection between the two cancels the effect again.
Spring hangers separate the new plane from the slab. Without them every hanger is a sound bridge.
A double layer of board puts weight into the lower leaf. Weight is the simplest lever in sound insulation.
Sealing tape under the wall channel and a properly separated edge decide more than any data sheet.
Every open joint and every unsealed outlet lets sound through. A surface is only tight when it is tight everywhere.
One mistake is common with timber joist floors: take out the heavy fill, put light wool in its place, and the floor becomes a drum. The result is worse than before the work started. We look at what is up there before anything comes out.
06Edges
A ceiling is judged at its edges. That is where the new plane meets everything that was already there.
All the way round, on sealing tape, exactly on the level line. The laser sets that line once and everything after it follows.
A deliberately open slot between ceiling and wall. It separates the planes visually, absorbs movement and forgives what a rigid edge would display.
Large areas and long corridors get a joint so that the surface can move without cracking.
Fill first, bed the tape properly, then skim over it. Tape that has only been skimmed shows itself later.
NoteWhich level your ceiling needs depends on the light. Grazing light from a cove shows in Q2 what would never be visible in Q4.
Let us talk about your ceiling before the plan is fixed.
A few sentences are enough for a first assessment.
07The firm
MK-AUSBAU is an interior fit out firm from Heinsberg. Maxim Kelm started out as a drywall fitter in 2016 and runs the business to this day.
Ceilings are not a by product of walls. They hang free, they carry light and services, and they show every fault, because light runs along them. That is why we plan the ceiling plane rather than improvise it.
We work throughout the district of Heinsberg and beyond, in flats, houses and commercial space. Where other trades are needed we coordinate them as well, so that the site has an order to it.
Anyone planning a ceiling has to know the light that will later fall across it.
Partitions, linings and ceilings on a metal substructure.
From mineral wool to straw, in the ceiling void and across the plane.
The final finish after filling, on the completed surface.
So that one room is not finished on three dates by three firms.
Measured and fitted to suit the new layout.
08Process
Six steps, in this order. Each one has a result you can see.
Room, dimensions, purpose, a few photographs. That is usually enough to judge what we are talking about.
Check the slab, measure the heights, find the services, look at the junctions.
The grid, the fittings, the outlets and the access panels are fixed and agreed with you.
Build up, quality level and scope in writing, so that what is compared stays comparable.
Level line, hangers, substructure, insulation, boarding, filling.
Walking the surface together, in the light that will actually be on.
09Enquiry
A name, a phone number and a few sentences are enough. We will come back to you.
What helps on the first call
10Photographs
Six stages of a ceiling plane, from the stripped slab to the finished surface.
NoteThe photographs show typical work and components from ceiling construction. They are not a record of individual customer projects.
11Area
MK-AUSBAU is based in Heinsberg and works across the whole district. A ceiling takes several days, so the journey counts.
Heinsberg
HeinsbergHückelhovenErkelenzGeilenkirchenWassenbergWegbergÜbach-PalenbergGangeltSelfkantWaldfeucht
MönchengladbachAachen
NoteIf your building lies outside, ask anyway. We will say honestly whether the journey makes sense for both sides.
12Questions
What clients in the district of Heinsberg ask most often.
That depends on what has to go into the void and how flat the slab is. A plain ceiling needs little, a ceiling with ventilation, insulation and downlights needs considerably more. At the site visit we measure the height you have and work the build up through from below before you commit to anything.
Yes, if it is known beforehand. Loads belong in the plan: a trimmer in the grid, a reinforcement in the field, or a fixing straight into the slab. Drilling into closed plasterboard afterwards is the worst of the three options.
A suspended plane acts as a second leaf and can damp noise from above considerably. What decides it is the isolation: resilient hangers, insulation in the void and a properly separated perimeter. Without those three you have simply hung a second board on a rigid connection.
F30 and F90 are achieved through tested system build ups. The build up is then not a free choice: board type, screw spacing, channel grid and junctions are all set out in the system approval. If your ceiling has to meet a requirement, we establish which one first.
The light decides. Under grazing light from a cove, or with glossy paint, Q4 makes sense; under ordinary room lighting with textured wallcovering Q2 is often enough. We agree the level beforehand, because it changes the effort noticeably.
Place, room, rough area, room height, what sits above, what should go in, and two to five photographs. With that we can usually judge the job without a call back and tell you what the next step is.
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