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What is worth knowing
Guides and explanations on insulation, membranes and condensation.
17.10.2026What are you preparing your house for? For fire, or for living in?
The fire class of an insulation material does not keep fire away from the house. Prevention does. Insulation is selected for everyday life: comfort, energy, moist
05.03.2026Choose the System 10 package you need, simply and quickly
Choose the System 10 package according to the rafter depth and the type of application, with the layer build-up and the required installation accessories.
22.07.2026Where do you use the Gold. Silver or Multistrat membranes, and where those with variable SD?
When the Reflectiva Gold, Silver and Multistrat membranes are used and when a membrane with variable Sd is required, depending on the build-up.
21.07.2026Myth or reality? “Does non-combustible insulation protect you from fire?"
What the reaction-to-fire class reveals about the actual behaviour of an insulation material in a fire, and why "non-combustible" does not mean protection
30.12.2025The technical aspects of insulation installed internally (habitable attics, roofs, walls, floors, etc.).
What insulation installed internally in habitable attics, roofs, walls and floors involves technically: the order of the layers and vapour control.
24.06.2025We are expanding Isoflect Insulation partnerships nationwide
Isoflect Insulation is expanding its network of partners and distributors nationwide. Terms of cooperation and contact details.
17.06.2025System 10: over 10 m²·K/W with 25 cm of Wolle between the rafters
How System 10 achieves a thermal resistance of over 10 m²·K/W with 25 cm of Wolle between the rafters, by addressing radiation, conduction and convection.
06.06.2025Insulation packages for rafters 10 cm deep
System 10 build-ups for 10 cm rafters: the Wolle insulation layers, the Reflectiva membranes and the required sealing tape.
06.06.2025Insulation packages for rafters 15 cm deep
System 10 build-ups for 15 cm rafters: the 5 cm layer installed first, then the 10 cm layer, with the Reflectiva membranes and the seal
06.06.2025Insulation packages for rafters 20 cm deep
System 10 build-ups for 20 cm rafters: the Wolle insulation layers, the Reflectiva membranes and the required sealing tape.
23.03.2025Information
The Isoflect guide to insulation: types of layers, vapour control, installation and frequent errors in habitable attics, walls and floors.
25.10.2024Characteristics and benefits of Isoflect Wolle thermal insulation
The characteristics of Isoflect Wolle insulation: thermal conductivity, behaviour in the presence of moisture and advantages during installation.
06.09.2026Insulating a non-habitable attic: on the ceiling slab, not on the roof pitch
If you do not live in the attic, the insulation is laid on the ceiling slab, not on the roof pitch. What goes in, layer by layer, the four frequent errors and why
06.09.2026Ceiling insulation: first establish what type of ceiling you have
Unused attic, habitable attic, top floor beneath a flat roof or another room above — four cases, four different solutions. How to recognise yo
04.09.2026What reflective insulation is and why not all products are the same
They return the heat received by radiation instead of absorbing it. How they work, why they need an air space and what difference there is
01.03.2026Isoflect is not Isoflex
Isoflect and Isoflex sound alike, but they are not the same product. FLECT comes from reflection, FLEX from flexible. A comparison based on values declar
25.10.2024The effects of mould on health
The effects of household mould on health and how it arises from condensation, insufficient ventilation and incorrectly installed insulation.
25.10.2024Acoustic protection of a house insulated with WOLLE
How Wolle insulation contributes to the sound attenuation of walls, floor slabs and habitable attics in a dwelling.
09.10.2026Sustainable insulation for lasting comfort
Sustainable insulation for efficient houses: learn how to select safe materials, control moisture and reduce heat losses over the long
05.10.2026WOLLE insulation for dry and quiet habitable attics
WOLLE wool for habitable attics, walls and unheated attics: thermal comfort, sound absorption and moisture control for an efficient and dry house in
03.10.2026Guide to pipe insulation for efficient houses
Select the correct insulation for water, heating and HVAC pipes: thickness, materials and installation that reduce losses, condensation and noise
01.10.2026What is the appropriate thickness of acoustic insulation?
What thickness does acoustic insulation for walls, floors and ceilings have? Learn how to select the correct layer for acoustic comfort and safe installation fo
29.09.2026Reflective foil: when it works and how it is installed
Learn when a reflective foil reduces heat gain, how it is installed correctly and why the air space determines the thermal performance of the house i
27.09.2026Does reflective insulation really work?
Learn when reflective insulation works correctly, what conditions installation requires and how it protects the habitable attic from heat, vapour and condensation i
25.09.2026Leading solutions for habitable attics that overheat in summer
Discover the leading solutions for overheated habitable attics: correct insulation, reflective foil, ventilation and sealing for comfort in summer and winter in the
23.09.2026How to soundproof a party wall correctly
Learn how to soundproof a party wall with effective systems: mass, mineral wool, decoupling and sealing for less noise in the apartment
21.09.2026Ecological wool versus mineral wool for the home
Compare ecological versus mineral wool for habitable attics, walls and unheated attics: thermal performance, moisture, acoustics, installation, cost and durability
17.09.2026Smart membrane versus vapour barrier
Smart membrane versus vapour barrier: the safe choice for controlling moisture and condensation in habitable attics, roofs and wa
15.09.2026Review of the REFLECTIVA membrane for habitable attics
REFLECTIVA membrane review: learn when it helps to control vapour, condensation and thermal comfort in habitable attics, unheated attics and walls for
09.09.2026Roof membranes, correctly selected
Select roof membranes that control vapour, condensation and water ingress, for a dry, efficient and safe habitable attic, protected
07.09.2026The benefits of sound insulation in an apartment
Benefits of acoustic insulation in an apartment: less noise, better sleep and privacy. Learn which system works for walls, floors and ceil
05.09.2026Effective solutions for a cold attic, without condensation
A practical guide with effective solutions for a cold attic: insulation, membranes and sealing for reduced heat losses, without condensation and mould
03.09.2026How to choose the thickness of wool insulation
Learn how to select the thickness of wool insulation for walls, unheated attics and habitable attics, according to lambda, structure, moisture and the desired thermal comfort in the hou
01.09.2026Reflective insulation versus stone wool for houses
Reflective insulation versus stone wool: compare thickness, vapour, acoustic comfort and installation for the correct choice in your house, without
28.08.2026How to reduce thermal bridges without heat losses
Learn how to reduce thermal bridges through continuous insulation, sealing and condensation control, for lower bills and a protected structure
26.08.2026Anti-condensation membrane versus diffusion membrane
Anti-condensation membrane versus diffusion membrane: learn the role of each beneath the roof covering and how to choose a dry, safe and efficient structure i
24.08.2026Energy renovation for an efficient house
Energy renovation for houses and apartments with insulation, membranes and correct sealing, for fewer heat losses and less condensation i
22.08.2026Reflective insulation versus polystyrene - which should you choose?
Compare reflective insulation versus polystyrene: thickness, installation, vapour control and thermal efficiency for habitable attics, walls and floo
20.08.2026Which roofing membrane should you choose for a habitable attic?
Learn which roof membrane is the correct choice: anti-condensation, diffusion or vapour barrier, for dry habitable attics and real energy efficiency
18.08.2026When to use a vapour barrier correctly in a house
Learn when to use a vapour barrier, where it is correctly installed and how to prevent condensation, mould and energy losses in walls and habitable att
16.08.2026Roof condensation: causes and correct prevention
Learn the main causes of roof condensation, the risk signs and how to correctly select ventilation, membrane and insulation for a dry and effic
14.08.2026Why condensation occurs in the home and how to stop it
Why condensation occurs in the home, what it indicates about insulation and ventilation, and how to protect windows, walls, the attic and the house from damp a
12.08.2026The best anti-condensation membranes for roofs
Learn how to select the best anti-condensation membranes for the roof: permeability, strength, correct installation and real protection against damp
10.08.2026Guide to membranes for a ventilated roof
Correctly select the membranes for a ventilated roof: diffusion, vapour barrier, sealing and safe installation for a dry and effici
08.08.2026Anti-condensation membrane test: checks before installation
Anti-condensation membrane test: learn what to check before installation for a dry roof, protected insulation and predictable performance in any
04.08.2026How much does habitable attic insulation cost per m²
See how much habitable attic insulation costs per m², which materials make up the budget and how to select a safe system for warmth, quiet and condensation contr
02.08.2026How to install the vapour barrier without errors
Learn how to install a vapour barrier in habitable attics, walls and floors: correct position, sealed overlaps and details that prevent condensation in
31.07.20267 common mistakes when insulating a habitable attic
Discover frequent errors in habitable attic insulation and learn how to select the correct layers, sealing and vapour control for lasting comfort
30.07.2026How to prevent roof condensation correctly
Learn how to prevent roof condensation through ventilation, sealing and correct insulation, for a dry habitable attic and a structure protected over the l
28.07.2026How to choose a diffusion membrane for the roof
Learn how to select a roof diffusion membrane for vapour removal, protection of the insulation and reduction of the risk of condensation in the habitable attic i
26.07.2026How to choose insulation for your garage
Learn how to select garage insulation according to the walls, roof, floor, moisture and use, for comfort and reduced consumption. With
25.07.2026Thermal insulation of roller shutter boxes without condensation
Thermal insulation of roller shutter boxes: reduce the thermal bridge, condensation and noise with a correctly sealed system adapted to the window and wall i
24.07.2026Sealing roof penetrations without leaks
Sealing roof penetrations: materials, installation and checks for a water- and vapour-tight layer, without condensation and costly repair
23.07.2026Anti-vibration tape for HVAC and correct installation
Learn how to select and install anti-vibration tape for HVAC in order to reduce structure-borne noise, protect the supports and achieve lasting comf
21.07.2026Internal thermal insulation of the balcony
Learn how to carry out thermal insulation of an enclosed balcony from the inside without condensation: materials, sealing, thermal bridges and durable finishes for comfort
20.07.2026Ecological wool insulation for walls in efficient houses
Learn how to select ecological wool insulation for walls, the appropriate thickness and the vapour control layer for thermal and acoustic comfort and dry wal
19.07.2026Efficient insulation for an A-frame house
Plan efficient insulation for an A-frame house, with correct layers, sealing and moisture control for stable thermal comfort throughout
18.07.2026How to prevent mould in the attic without costly repairs
Learn how to prevent mould in the attic through ventilation, sealing, correct insulation and condensation control, for a dry and durable structure
17.07.2026How to insulate a habitable attic correctly for comfort
Learn how to insulate a habitable attic correctly: layers, sealing and vapour control for fewer heat losses and a protected structure i
17.07.2026How to install an anti-condensation membrane on the roof
Learn how to install an anti-condensation membrane correctly: overlaps, fixing, ventilation and details at the ridge, eaves and penetrations for a roof