ᐅ Insulation

Find out how using the right insulation can help you save energy and make your home comfortable and cozy!

Impact Sound Insulation – Assessment of Sound Transmission Between Rooms

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Sophia29 •18 May 2026 16:18

Answers: 5

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007sascha • 23 May 2026 14:31

Connection of External Thermal Insulation Composite System (ETICS) to Corner Window with Roller Shutter Box

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Boestro•15 May 2026 20:58

Answers: 2

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Boestro • 18 May 2026 21:47

How to Insulate a Roller Shutter Box and Seal the Opening

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hfmu•18 May 2026 09:39

Answers: 1

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Nauer • 18 May 2026 15:32

Dark Stain on EIFS/Exterior Insulation and Finish System Facade

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Fred•17 May 2026 21:26

Answers: 0

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Fred • 17 May 2026 21:26

Vapor Retarder Connection from Upper Floor to Attic

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Benzo71 •12 May 2026 08:44

Answers: 1

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Benzo71 • 12 May 2026 09:02

Renovation/Replacement of Insulation in the Attic Space

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PurpleBee•11 May 2026 20:30

Answers: 0

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PurpleBee • 11 May 2026 20:30

Preparation of ETICS for POE Cameras

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Max2712•1 Apr 2026 11:26

Answers: 4

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Bierwächter • 6 May 2026 17:54

Horizontal barrier Drymat + ventilation system (dew point ventilation)

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max-b 1357•5 May 2026 13:08

Answers: 5

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Nichtganz • 6 May 2026 16:32

Foundation Plinth – Older Buildings – XPS vs Wood Fiber Insulation – How to Construct?

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derspeck84•6 May 2026 08:03

Answers: 2

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derspeck84 • 6 May 2026 12:49

Improving the energy performance of 1980s wall construction

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Schroedi•4 May 2026 21:55

Answers: 4

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Cronos86 • 5 May 2026 16:45

Independent Expert Assessment for Mold Damage in Older Buildings

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Jodimaster2k•11 Nov 2025 21:11

Answers: 18

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Jodimaster2k • 2 May 2026 14:16

Create a base detail for XPS insulation on basement exterior walls

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Michi4392•29 Apr 2026 10:04

Answers: 0

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Michi4392 • 29 Apr 2026 10:04

Experience with Fundermax Exterior Podio Balcony Flooring Panel

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Meddo•28 Apr 2026 20:58

Answers: 0

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Meddo • 28 Apr 2026 20:58

Renewing Old Insulation When Adding Battens to Rafters

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dietrichd•28 Apr 2026 11:01

Answers: 2

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dietrichd • 28 Apr 2026 12:15

Properly Installing the Airtightness Layer

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Jens Kaufmann•21 Apr 2026 09:06

Answers: 1

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Jens Kaufmann • 21 Apr 2026 09:25

Renovate the workshop ceiling (refurbish or replace wood wool panels)

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Lukas97•13 Apr 2026 14:01

Answers: 3

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Lukas97 • 18 Apr 2026 07:55

Insulation of the top concrete floor slab of the attic in a new build

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Momentum•13 Apr 2026 22:45

Answers: 2

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Grundaus • 14 Apr 2026 08:18

Vapor Barrier / Climate Membrane – Summer

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Jakubur•13 Apr 2026 08:04

Answers: 0

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Jakubur • 13 Apr 2026 08:04

Insulating the Balcony Slab from Below in a Conservatory

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Denner•8 Apr 2026 21:11

Answers: 0

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Denner • 8 Apr 2026 21:11

Insulation for Older Buildings Using Ventilated Facade Systems: Design and Structural Analysis

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Jan Hieber•1 Apr 2026 10:17

Answers: 1

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Nauer • 1 Apr 2026 10:30

Wall construction: Is a vapor retarder necessary here?

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Janni96•30 Mar 2026 16:32

Answers: 1

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Grundaus • 31 Mar 2026 08:33

Insulating the wall plate – what to do with high moisture levels?

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Bieberbau•23 Mar 2026 21:54

Answers: 0

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Bieberbau • 23 Mar 2026 21:54

New Beam Ends in Old Masonry Walls – Ventilated or Insulated, Connections?

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Lupus23•18 Mar 2026 07:47

Answers: 4

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Nauer • 19 Mar 2026 14:34

Reconstructing a sloped ceiling from the inside

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crossie80•6 Mar 2026 07:43

Answers: 4

11ant • 6 Mar 2026 12:17

Construction of a wooden beam ceiling between two bathrooms

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Fuss•1 Mar 2026 07:49

Answers: 0

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Fuss • 1 Mar 2026 07:49

Thermal bridge to the cold roof in new construction

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HeimUnd•7 Feb 2026 11:21

Answers: 3

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HeimUnd • 23 Feb 2026 13:28

Blow-in insulation from 1954 – is it dangerous?

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Simu73•21 Feb 2026 07:10

Answers: 3

11ant • 21 Feb 2026 23:30

Cladding the ceiling with drywall (soundproofing)

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Baumitfreude•15 Feb 2026 19:06

Answers: 3

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Baumitfreude • 21 Feb 2026 14:41

Moisture marks on the floor of an unheated attic between two ceiling panels of a prefabricated house (wood beam ceiling) with a vertically extended polyethylene vapor barrier film

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lord_oo•18 Feb 2026 21:17

Answers: 0

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lord_oo • 18 Feb 2026 21:17

Double- or triple-glazed windows for a house built in 1987

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sukram80•16 Feb 2026 18:38

Answers: 3

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sukram80 • 17 Feb 2026 22:32

Cold Chimney in New Construction – Water Damage Caused by Condensation?

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philos•17 Feb 2026 16:33

Answers: 4

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philos • 17 Feb 2026 17:47

Questionable stains on the exterior facade

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Robert8426•17 Feb 2026 13:33

Answers: 0

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Robert8426 • 17 Feb 2026 13:33

Installing calcium silicate boards on the ceiling – how to properly connect them to the wall

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Nanopixel•13 Feb 2026 21:18

Answers: 1

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nordanney • 13 Feb 2026 22:31

Increase insulation in an extension made of sandwich panels?

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Fabi17•10 Feb 2026 22:48

Answers: 2

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Fabi17 • 11 Feb 2026 23:21

Insulation between rafters in addition to an insulated roof for ceiling heating

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Att1985•11 Feb 2026 10:04

Answers: 2

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Grundaus • 11 Feb 2026 11:17

Creating a Plan for Insulating an Old Building – How to Proceed?

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Tobibi•30 Aug 2022 10:30

Answers: 162

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Adam2112 • 10 Feb 2026 15:43

Sealing Exterior Natural Stone Window Sills

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KWB•7 Feb 2026 13:45

Answers: 1

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Nauer • 10 Feb 2026 12:42

Request for advice: Roof conversion and exterior wall insulation for an Okal house (breathable construction method)

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Cigare•31 Jan 2026 10:54

Answers: 1

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Cigare • 4 Feb 2026 19:56

12-14 cm of additional batt insulation for extra thermal protection in the sloped roof areas of the upper floor

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Andy•27 Jan 2026 08:12

Answers: 0

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Andy • 27 Jan 2026 08:12

Renovating Roof Structure: Insulation Between Rafters & Humidity-Controlled Vapor Retarder

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ManniManta•6 Jan 2026 20:12

Answers: 1

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ManniManta • 26 Jan 2026 16:57

Proper Installation of the Vapor Retarder Termination

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beckl1988•18 Jan 2026 20:05

Answers: 1

familie_s • 19 Jan 2026 06:55

Chasing exterior walls for wiring before installing the external insulation system (EIFS / ETICS)

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Borschti•17 Jan 2026 23:22

Answers: 0

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Borschti • 17 Jan 2026 23:22

Insulating an Old Farmhouse: Preparing an Uneven Facade – ETICS or Ventilated Façade?

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hinterland•10 Jan 2026 16:40

Answers: 9

familie_s • 16 Jan 2026 11:53

Insulating an Attic in a House Built in 1978: Is a Humidity-Variable Vapor Retarder Recommended?

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Eagel22•11 Jan 2026 22:15

Answers: 1

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nordanney • 12 Jan 2026 13:59

Older Building: Insulating the Stairwell Leading from the Attic

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Stuntmanbob•12 Jan 2026 12:45

Answers: 1

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nordanney • 12 Jan 2026 13:49

Insulation of the upper floor ceiling above the intermediate ceiling

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thodu580•8 Jan 2026 18:21

Answers: 0

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thodu580 • 8 Jan 2026 18:21

Base Waterproofing for a Detached House Without a Basement: Execution Deviating from the Original Plans?

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AKRPH2025•1 Jan 2026 11:43

Answers: 2

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Allthewayup • 5 Jan 2026 14:09

Issue with EPS Loose-Fill Insulation (Settling Granulate)

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UrsBlank•3 Jan 2026 18:09

Answers: 4

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UrsBlank • 4 Jan 2026 19:47

Insulating the knee wall in the bathroom: Proper planning of EPS boards, condensation, and moisture protection

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Totti1234•28 Dec 2025 17:35

Answers: 4

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ypg • 1 Jan 2026 20:45

Moisture in the Attic: Preventing Condensation During Insulation and Renovation

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worf1985•27 Dec 2025 17:35

Answers: 11

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worf1985 • 31 Dec 2025 02:08

Insulating a Terrace from the Outside or the Inside? (2)

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SebastianHe•29 Dec 2025 20:16

Answers: 3

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SebastianHe • 30 Dec 2025 14:36

ETICS facade after insulation: Render appears wavy under grazing light – defect or still acceptable?

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NRWNutzerME•17 Dec 2025 02:45

Answers: 1

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nordanney • 17 Dec 2025 07:13

Renovating Roof Insulation from 1977 – Are Wood Fiber Insulation, Vapor Retarders, and Construction Methods Effective?

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Golzner•15 Dec 2025 00:31

Answers: 6

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Golzner • 16 Dec 2025 22:47

Optimizing Insulation for Cavity Walls from 1978 and Minimizing Thermal Bridges at the Brickwork

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007sascha•12 Dec 2025 06:45

Answers: 3

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nordanney • 12 Dec 2025 10:18

Insulating Older Homes: External or Internal Insulation? Solutions for High Energy Consumption

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mralladin•21 Nov 2025 21:02

Answers: 3

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mralladin • 24 Nov 2025 07:08

ETICS EPS vs. Mineral Wool

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Markusba•22 Nov 2025 08:08

Answers: 1

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nordanney • 22 Nov 2025 08:17

Old Concrete Wall and Extension – Insulation?

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dahadaha•19 Nov 2025 21:50

Answers: 1

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Nauer • 19 Nov 2025 22:03

Sealing the Foundation and Backfilling: Proper Preparation of a Residential House and Garage

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magicmax•15 Nov 2025 22:16

Answers: 2

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MachsSelbst • 16 Nov 2025 22:30

Thermal insulation system installed on a dry basement floor in an older building

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Sir Toby•12 Nov 2025 22:51

Answers: 2

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Sir Toby • 13 Nov 2025 22:13

Insulating a Suspended Ceiling? Heat from Ceiling Spotlights?

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Obereiche•29 Sep 2025 17:24

Answers: 13

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Obereiche • 11 Nov 2025 20:51

Thick vapor barrier instead of vapor retarder

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Max-Mustermann•31 Oct 2025 09:04

Answers: 1

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Nauer • 31 Oct 2025 13:57

Insulation with aluminum foil facing installed between the rafters, providing double thermal protection.

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AndreasB84•22 Oct 2025 22:47

Answers: 0

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AndreasB84 • 22 Oct 2025 22:47

Vapor barrier in knee wall – challenging penetration due to beams

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Mike_Ef•9 Oct 2025 19:29

Answers: 2

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Mike_Ef • 12 Oct 2025 21:13

EPS external insulation in contact with ground (adhere XPS?)

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Thorsten84•12 Oct 2025 12:01

Answers: 0

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Thorsten84 • 12 Oct 2025 12:01

Sealing and Insulating the Basement Exterior Wall to the Facade

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bullibene•11 Oct 2025 23:38

Answers: 0

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bullibene • 11 Oct 2025 23:38

Impact Sound Insulation for Hardwood Flooring in the Attic

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SabAAC71•5 Oct 2025 19:47

Answers: 1

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wiltshire • 6 Oct 2025 15:43

New Construction of a Semi-Detached House / Insulation Solution for the Gap Between Units

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pfrieder•1 Oct 2025 17:31

Answers: 6

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pfrieder • 5 Oct 2025 18:34

Elevated Conservatory – Floor Renovation

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JumpY•28 Sep 2025 12:20

Answers: 2

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JumpY • 28 Sep 2025 19:26

Moisture in Partition Wall Insulation – How Do Mineral Wool and Glass Wool Dry?

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Michel56•22 Sep 2025 09:41

Answers: 0

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Michel56 • 22 Sep 2025 09:41

Experiences with facades coated with latex paint and blown-in insulation

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Junkman•7 Sep 2025 22:24

Answers: 4

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Junkman • 21 Sep 2025 16:24

Roof Insulation: Vapor Retarder Film Has Detached

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Handwerk_82•14 Sep 2025 19:49

Answers: 0

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Handwerk_82 • 14 Sep 2025 19:49

Insulation melted away by the sun

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Putz_Munter•10 Jul 2025 15:59

Answers: 0

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Putz_Munter • 10 Jul 2025 15:59

Additional Insulation for a Bien-Zenker Prefabricated House – What Makes Sense?

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Jay_Kay•1 Jul 2025 21:44

Answers: 3

11ant • 1 Jul 2025 23:40

Edge insulation strips embedded into the wall plaster – is this correct?

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Steven_1977•1 Jul 2025 20:18

Answers: 2

tomtom79 • 1 Jul 2025 22:58

Top Floor with OSB / Insulation and Ventilation Issues

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p4ingiv3r•17 Jun 2025 15:58

Answers: 0

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p4ingiv3r • 17 Jun 2025 15:58

Improving Insulation in the Roof Structure

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Hafenguy•11 Apr 2025 14:52

Answers: 5

LarsBr80 • 7 May 2025 16:07

Is Fire-Resistant Insulation Barrier Necessary for Multi-Family Buildings with EPS Insulation?

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Forsberg21•28 Mar 2025 20:47

Answers: 0

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Forsberg21 • 28 Mar 2025 20:47

Piercing the vapor retarder with adjustment screws

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cryptoki•8 Dec 2024 12:29

Answers: 1

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daytona • 25 Mar 2025 07:48

Insulation for below-ground or earth-contact areas

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Jolo200000•9 Mar 2025 12:57

Answers: 3

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wiltshire • 10 Mar 2025 08:13

Damp spot in drywall ceiling of bathroom caused by pipe ventilation

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Gerd&Jolanthe•26 Feb 2025 12:31

Answers: 8

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Gerd&Jolanthe • 10 Mar 2025 07:11

Windows are becoming damp on the inside—what can be done? Older building (built around 2000)

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roadrunner88•3 Mar 2025 11:57

Answers: 7

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Jesse Custer • 3 Mar 2025 15:10

Condensation on the underlay membrane

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maxl229•3 Feb 2021 15:02

Answers: 11

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spitzi-2 • 23 Feb 2025 09:39

New Construction on an Existing Basement: Is Insulation Worthwhile?

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Hutschnurr•16 Feb 2025 17:14

Answers: 4

11ant • 17 Feb 2025 17:03

Insulation on Wooden Beam Ceiling in New Construction for Soundproofing

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Angeliter•29 Jan 2025 08:32

Answers: 0

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Angeliter • 29 Jan 2025 08:32

Attic Cellulose Blow-In Insulation – Insulation Between the Wooden Joists

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manfred.sinn•21 Jan 2025 15:20

Answers: 0

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manfred.sinn • 21 Jan 2025 15:20

Insulation between rafters with rigid/flexible mineral wool batt

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Grotix•15 Jan 2025 19:20

Answers: 0

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Grotix • 15 Jan 2025 19:20

Vapor barrier or vapor retarder for insulation of top floor ceiling: to use or not?

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gonzinho•13 Jan 2025 14:07

Answers: 0

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gonzinho • 13 Jan 2025 14:07

Seagrass insulation for the roof rafters

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Morus2002•28 Jul 2022 22:10

Answers: 3

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blubbl84 • 13 Jan 2025 11:07

Does Insulation Eliminate Mold or Not?

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julia123•30 Dec 2024 18:00

Answers: 18

mayglow • 3 Jan 2025 20:33

Converting an attic into living space – insulation

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Celo318•2 Jan 2025 02:42

Answers: 8

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Celo318 • 2 Jan 2025 21:21

Mold caused by internal drainage systems

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Willy60•30 Dec 2024 19:07

Answers: 2

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nordanney • 30 Dec 2024 19:21

Attic Insulation: Opportunities for Improvement in Existing Insulation

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Newbi23•17 Dec 2024 08:26

Answers: 1

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Ugarlino • 28 Dec 2024 16:07

Insulation, Vapor Retarders, and Penetrations

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Schlaumeier86•16 Dec 2024 00:17

Answers: 6

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Harakiri • 16 Dec 2024 11:49

Which Material Is Best for Blown-In Insulation? – Experiences?

Benutzer 1002•5 Dec 2024 11:24

Answers: 9

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nordanney • 7 Dec 2024 15:49

Additional Interior Insulation for Warehouse

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Rdnahe80•3 Dec 2024 09:49

Answers: 14

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BungaSeppel • 7 Dec 2024 13:15

Installing interior insulation in a basement intended for use as living space

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Phil-85•1 Dec 2024 10:24

Answers: 0

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Phil-85 • 1 Dec 2024 10:24

Mold Caused by Residual Construction Moisture or Insulation Issues?

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Ubibubi•20 Sep 2024 06:38

Answers: 10

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Ubibubi • 29 Nov 2024 08:13

How to close and insulate radiator niches with mineral wool, expanded polystyrene, and drywall?

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Besenkammer84•11 Sep 2024 16:05

Answers: 7

11ant • 22 Nov 2024 13:39

Repairing a Vapor Barrier for the Attic – Experiences

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Neubauproblem•21 Oct 2024 11:01

Answers: 2

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Neubauproblem • 21 Oct 2024 18:20

Recess for camera installation in external thermal insulation system

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Flitz86•10 Oct 2024 17:25

Answers: 5

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Flitz86 • 11 Oct 2024 14:16