Loose-fill insulation materials for floors, ceilings and levelling fill
Floor fill, ceiling fill & levelling
Loose fill for insulating, filling and levelling
Loose-fill insulation materials for simple pouring – for the thermal and acoustic insulation of timber joist ceilings and top-storey ceilings, as well as for load-bearing levelling in floor construction. Natural materials such as cellulose and wheat straw, plus the load-bearing levelling fill MEHABIT.
- ✓ Natural loose-fill insulation
- ✓ Thermal & acoustic insulation
- ✓ Load-bearing levelling fill
- ✓ Simply pour in – no machinery needed
Thermal insulation
Cellulose and straw insulate timber joist ceilings, loft floors and top-storey ceilings – providing both thermal and acoustic insulation.
To cellulose insulation → LevellingLevelling fill
MEHABIT levels uneven surfaces and covers pipework – load-bearing, dust-free and with building authority approval.
To MEHABIT → Full serviceAttic insulation incl. installation
Attic insulation with a U-value of 0.14 W/m²K – including delivery and installation, eligible for subsidies of up to 20%.
View offer →Application
What is pour-in insulation used for?
Loose-fill insulation materials are poured loosely onto open, accessible surfaces and are best suited for top-storey ceilings, timber joist ceilings and loft floors. In addition, load-bearing levelling fills are used for height compensation in floor construction – for example to cover pipework or as a load-bearing layer beneath dry screed.
Loosen
Loosen the material from the bag so it reaches its full volume.
Pour in
Apply evenly into bays, onto the ceiling or onto the floor.
Level off
Screed level to the desired insulation thickness – done.
Materials compared
Cellulose, straw or levelling fill – which pour-in material is right?
Depending on your goal – thermal insulation, acoustic insulation or levelling – a different loose-fill material is the right choice. The overview helps you decide.
| Criterion | Unifloc cellulose | ISO-STROH | MEHABIT |
|---|---|---|---|
| Material | Single-grade recycled paper | 100% wheat straw, no additives | Hemp shives with adhesive effect |
| Main benefit | Thermal insulation | Thermal insulation & strong sound insulation | Height compensation, load-bearing |
| Typical application | Timber joist ceiling, top-storey ceiling | Floors & timber joist ceilings | Height levelling, pipe covering |
| Special feature | Loosen – pour in – done | ETA-certified, high installation density | Building authority approved, dust-free |
Not sure which material to choose? Our expert advice can help: +49 6261 17613.
Our products
Pour-in insulation materials in our range
Unifloc cellulose
Natural cellulose pour-in insulation made from single-grade newspaper – ideal for timber joist ceilings, loft floors and top-storey ceilings.
ISO-STROH
Floor fill made from 100% wheat straw, ETA-certified. Thermal insulation and strong acoustic insulation thanks to high installation density.
MEHABIT levelling fill
Insulation and levelling fill made from hemp shives with adhesive effect – for height compensation and covering pipework. Dust-free and highly load-bearing.
Materials, advice & application
Pour-in insulation with expert advice – installation available on request
With over 30 years of experience, we advise you on material, insulation thickness and construction. For the top-storey ceiling, we offer complete attic insulation on request including delivery and installation – with a U-value of 0.14 W/m²K and eligible for subsidies of up to 20%.
Frequently asked questions
Frequently asked questions about pour-in insulation
Which pour-in insulation is suitable for the top-storey ceiling?
For top-storey ceilings and timber joist ceilings, loose cellulose (Unifloc) and wheat straw (ISO-STROH) are well suited. Both are simply poured in and provide thermal and acoustic insulation.
Is pour-in insulation walkable or load-bearing?
Classic pour-in insulation materials are not directly walkable. For load-bearing and walkable structures, the MEHABIT levelling fill with adhesive effect is the right choice – it forms a bonded, stable layer.
Can I apply pour-in insulation myself?
Yes. Pour-in insulation is applied without special machinery: loosen, pour in and level off evenly. This is well suited to DIYers.
How thick does the pour-in layer need to be?
The insulation thickness depends on the desired U-value and the component. For the top-storey ceiling, greater thicknesses are usually advisable. We are happy to calculate your requirements – call us on +49 6261 17613.
Does pour-in insulation also provide acoustic insulation?
Yes. ISO-STROH in particular offers good acoustic insulation in addition to thermal insulation, thanks to its high installation density.
Is attic insulation also available with installation and subsidies?
Yes. We offer attic insulation with a U-value of 0.14 W/m²K including delivery and installation in our service area – eligible for subsidies of up to 20%.
Ready for your pour-in insulation project?
Choose the right pour-in insulation now.
From natural floor fill to load-bearing height levelling.