ᐅ Basement

Plan your basement properly: Learn what to consider during construction, waterproofing, and use to ensure your basement provides valuable space and long-lasting reliability!

Exterior Basement Waterproofing – Procedure

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speeder•22 May 2026 23:27

Answers: 0

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speeder • 22 May 2026 23:27

Bonding layer for leveling over a two-component waterproofing membrane (Remmers MB2K+)

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johodoc•22 May 2026 17:01

Answers: 0

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johodoc • 22 May 2026 17:01

Sealing a Damp Basement Wall with Waterproofing Slurry

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Phonic•18 May 2026 15:58

Answers: 3

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Grundaus • 19 May 2026 08:04

Wall Renovation Kitchen Moisture

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walkers•9 May 2026 13:22

Answers: 2

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walkers • 9 May 2026 15:11

Old water shaft in the basement (built on a slope)

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walkers•9 May 2026 13:12

Answers: 0

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walkers • 9 May 2026 13:12

Cable Entry for Basement Hollow Core Concrete Block

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berton•9 Apr 2026 10:22

Answers: 6

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berton • 19 Apr 2026 22:28

Water damage on bonded screed

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Alex2023•4 Jan 2026 17:05

Answers: 6

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Alex2023 • 7 Jan 2026 19:46

Basement Waterproofing – Rubble Stone Masonry

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Marcel_MT87•5 Jan 2026 15:36

Answers: 1

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Nauer • 5 Jan 2026 15:51

Evaluate Basement Construction of KfW40 House: Inspect Perimeter Insulation, Masonry, and Structural Integrity

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D-Zug88•9 Dec 2025 21:05

Answers: 7

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D-Zug88 • 10 Dec 2025 14:14

Basement waterproofing: slurry waterproofing or bitumen membrane

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Torben13•5 Dec 2025 07:34

Answers: 1

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Torben13 • 6 Dec 2025 12:53

Rammed concrete (built in 1963) severely deteriorated, partial wall replacement through recasting with new concrete

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dedieter•5 Dec 2025 12:42

Answers: 1

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Nauer • 5 Dec 2025 12:59

Perimeter and Plinth Insulation in Late Autumn

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LComputer•29 Nov 2025 13:16

Answers: 6

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LComputer • 2 Dec 2025 15:49

Is it advisable to run conduit through a light well?

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kaniggel•29 Nov 2025 22:09

Answers: 1

tomtom79 • 29 Nov 2025 22:56

Waterproofing an Old Basement Wall from the Inside

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AndreMaz•26 Nov 2025 15:39

Answers: 1

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Nauer • 28 Nov 2025 19:39

Excavation/Foundation Construction in High Groundwater Areas – Experiences?

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gregman22•19 Mar 2024 12:01

Answers: 29

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auf zack • 22 Nov 2025 15:41

Basement exterior wall waterproofing with an overhanging floor slab

0

007sascha•17 Nov 2025 09:13

Answers: 2

0

007sascha • 20 Nov 2025 15:35

Sealing between existing basement ceiling and new floor slab

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Hausbau2025_CH•16 Nov 2025 17:58

Answers: 0

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Hausbau2025_CH • 16 Nov 2025 17:58

Painting a Concrete Basement and How to Handle Edge Insulation Strips?

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mk_2021•25 Oct 2025 09:28

Answers: 9

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mk_2021 • 8 Nov 2025 10:08

How to Repair a Damp Basement Wall Made of Concrete Blocks?

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Hajooo2025•2 Nov 2025 23:42

Answers: 1

1

11sofija • 3 Nov 2025 02:03

Old basement from 1910 with water drainage shaft

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walkers•20 Sep 2025 20:07

Answers: 15

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walkers • 22 Sep 2025 16:23

Measuring Wall Moisture: How to Interpret the Results?

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-AK-18-•16 Sep 2025 01:46

Answers: 2

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-AK-18- • 21 Sep 2025 01:14

Renovation of Basement Ceiling in an Older Building

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Rotpeter•4 Sep 2025 17:00

Answers: 0

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Rotpeter • 4 Sep 2025 17:00

Pre-pouring of waterproof concrete for basement walls

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Felix571•3 Sep 2025 10:21

Answers: 0

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Felix571 • 3 Sep 2025 10:21

Damp Basement Wall: Drying Time and Insulation

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-AK-18-•1 Sep 2025 22:32

Answers: 0

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-AK-18- • 1 Sep 2025 22:32

Installing a Drainage System in the Basement After Construction

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Michel56•20 Aug 2025 03:27

Answers: 7

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wiltshire • 21 Aug 2025 11:47

Concrete pouring quality: acceptable or problematic – experiences?

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alive&kicking•5 Jun 2025 15:16

Answers: 8

11ant • 7 Jun 2025 13:33

Home office in the damp basement #2

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KellerMaus•28 May 2025 02:25

Answers: 5

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miji252 • 3 Jun 2025 19:51

Home office in a damp basement?

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KellerMaus•11 Apr 2024 20:11

Answers: 10

11ant • 28 May 2025 20:20

Space for storing excavated material? Without official approval or building permit/planning permission?

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GeraldG•18 Apr 2025 13:39

Answers: 7

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ypg • 20 Apr 2025 14:29

New single-family house construction with a basement and external basement entrance

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theking1102•16 Mar 2025 20:56

Answers: 7

11ant • 16 Mar 2025 22:52

Waterproof concrete – injection during the construction phase

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summoner•4 Jan 2025 13:51

Answers: 30

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summoner • 3 Feb 2025 15:51

New construction of a solid masonry house on an existing basement

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Berlinho•1 Oct 2021 17:00

Answers: 12

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Skyhawk172 • 20 Jan 2025 17:27

Drying time for a completed basement before assembling the prefabricated house

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DachDrueber•22 Apr 2024 13:22

Answers: 9

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DachDrueber • 6 Jan 2025 11:36

Damp Basement (Building Structure: Aerated Concrete)

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Holzer77•21 Oct 2024 17:15

Answers: 0

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Holzer77 • 21 Oct 2024 17:15

Renovation of the basement for use as a laundry room and storage area.

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Andik81•23 Sep 2024 21:02

Answers: 2

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Häuslebauer198 • 7 Oct 2024 14:36

Stabilizing a Basement Wall for an Extension

In der Ruine•4 Sep 2021 11:53

Answers: 16

In der Ruine • 2 Oct 2024 15:19

Use Category A and Design Principle C

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Christoph1231•19 Sep 2024 22:13

Answers: 7

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Christoph1231 • 23 Sep 2024 12:28

Water damage in the basement during the construction phase – what to do?

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NilsHolgersson•21 Sep 2024 14:55

Answers: 6

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NilsHolgersson • 23 Sep 2024 00:46

Is a Damp Basement Not a Problem?

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HansT85•21 Sep 2024 18:08

Answers: 3

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Siedler34 • 22 Sep 2024 16:41

Cracks in Walls – Usually No Cause for Concern or a Reason to Worry?

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PeterFalk•11 Aug 2024 09:17

Answers: 0

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PeterFalk • 11 Aug 2024 09:17

Insect Protection for Basement Window Wells – Recommendations

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FrankChief•23 Jul 2024 08:48

Answers: 0

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FrankChief • 23 Jul 2024 08:48

Ventilation in a daylight basement on the above-ground side

HalloClarissa•13 Jul 2024 17:45

Answers: 3

HausiKlausi • 14 Jul 2024 19:23

Waterproof Basement – "Fresh Concrete Composite Membrane"

Wissi•13 Jul 2017 09:04

Answers: 31

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Bergblume • 6 Jul 2024 22:15

White tank waterproofing – insulation on the interior or exterior?

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patalmtt•13 Jun 2024 18:58

Answers: 2

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Harakiri • 14 Jun 2024 08:48

Underground roof and damp basement wall

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harkonsen•5 Jun 2024 10:42

Answers: 0

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harkonsen • 5 Jun 2024 10:42

Is Reactive Waterproofing Better than Thick Bitumen Coating?

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fresh2•23 Apr 2024 08:22

Answers: 7

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fresh2 • 23 Apr 2024 11:36

KfW40+ with a basement inside or outside the thermal envelope?

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KalterKaffee•30 Dec 2020 11:05

Answers: 38

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KalterKaffee • 16 Apr 2024 10:10

Looking for information on basements with waterproof concrete tanking systems

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M a v o•2 Apr 2024 16:35

Answers: 11

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M a v o • 3 Apr 2024 12:35

12 cm step down from the hallway into the basement rooms

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Hissi•12 Feb 2024 12:01

Answers: 11

Tolentino • 28 Mar 2024 12:04

Cost Estimate for a Basic Utility Basement

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ruby27•9 Mar 2024 20:52

Answers: 9

11ant • 13 Mar 2024 14:14

Seepage Water Buildup in the Basement – What to Do?

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home-for-memoc•25 Feb 2024 12:40

Answers: 4

HausiKlausi • 25 Feb 2024 22:52

Mirror shaft – any alternatives?

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hausbau_phobos•30 Jan 2024 14:46

Answers: 6

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hausbau_phobos • 30 Jan 2024 18:26

Basement made of waterproof concrete or Poroton blocks?

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Robert1995•27 Jan 2024 23:18

Answers: 17

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Gerddieter • 29 Jan 2024 10:47

30-year-old basement is damp. Should it be waterproofed? If so, how?

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Narma89•13 Jan 2024 21:38

Answers: 7

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Buschreiter • 17 Jan 2024 06:42

Mold in a Basement Corner?

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misssofie•16 Jan 2024 19:29

Answers: 0

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misssofie • 16 Jan 2024 19:29

Noise Transmission Through Drainage Pipes and Rainwater Downpipes

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timmy-baut•29 Oct 2023 13:48

Answers: 6

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timmy-baut • 4 Nov 2023 14:57

Is the construction of the basement wall and floor like this acceptable?

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Narnulf1368•24 Oct 2023 11:21

Answers: 11

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Harakiri • 25 Oct 2023 08:20

Cost Estimate for a Basement in an Almost Shell Stage Building

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Vivusorg•5 Oct 2023 15:02

Answers: 8

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Harakiri • 6 Oct 2023 08:07

Basement Construction with High Groundwater Levels (2 meters)

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pxrunes2•27 Sep 2023 11:18

Answers: 18

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Allthewayup • 28 Sep 2023 17:47

Experiences with Glatthaar Prefabricated Basements

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steffens•3 Feb 2015 21:52

Answers: 21

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Häuschen345 • 21 Sep 2023 14:55

Finished basements made from prefabricated wall panels with internal insulation – any experience?

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Häuschen345•19 Sep 2023 15:38

Answers: 2

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Häuschen345 • 19 Sep 2023 21:14

Mistakes When Pouring Concrete for a Prefabricated Basement – Consequences and Experiences?

HalloClarissa•18 Aug 2023 14:18

Answers: 17

HalloClarissa • 7 Sep 2023 20:30

Thermal Envelope and Partial Basement Insulation: How to Insulate, Experiences?

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Proeter•28 Aug 2023 13:11

Answers: 3

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xMisterDx • 31 Aug 2023 01:21

Staircase Planning for Basement Stairs

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julian113•27 Aug 2023 12:54

Answers: 13

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kbt09 • 28 Aug 2023 18:21

Keep the basement? Demolition and rebuilding of a single-family house

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JonnyMcFly•9 Jul 2023 19:40

Answers: 2

11ant • 10 Jul 2023 00:14

Rising damp on the basement wall after prolonged rainfall

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zachro08•26 Jun 2023 22:37

Answers: 4

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HeimatBauer • 27 Jun 2023 08:42

Nails through the waterproofing membrane in the basement

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darksun•2 Jun 2023 09:24

Answers: 14

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filosof • 12 Jun 2023 09:23

Demolition and New Construction, Basement, Sloping Site

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Dartfan•3 Jan 2021 22:30

Answers: 26

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DestinyMcgee • 24 May 2023 13:56

Radon (radioactive gas) in the basement

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NorbT•5 May 2023 08:41

Answers: 5

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NatureSys • 6 May 2023 23:11

Semi-detached house without a basement next to a semi-detached house with a basement

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Becca_K•4 May 2023 13:36

Answers: 10

11ant • 6 May 2023 14:04

Ventilate a 25 sqm basement room using two push-pull fans.

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jx7•29 Mar 2023 14:59

Answers: 7

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jx7 • 29 Mar 2023 22:55

What space is needed for earthworks when building a house with a basement?

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moeSzyslak•17 Mar 2023 17:02

Answers: 10

Nida35a • 20 Mar 2023 09:09

Stop heating a heated basement?

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taskyyy•28 Mar 2022 22:18

Answers: 6

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BungaSeppel • 18 Mar 2023 21:56

Void space beneath basement floor / how to fill it

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Altmark1980•8 Mar 2023 21:33

Answers: 6

Nida35a • 14 Mar 2023 12:42

Sealing or filling the basement stairs from the house side

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DerPossmann•12 Feb 2023 19:02

Answers: 1

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Joda1987 • 1 Mar 2023 09:41

Insulate a basement or not?

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Grobmutant•6 Jan 2020 11:57

Answers: 24

11ant • 8 Feb 2023 13:15

Protrusions on the basement walls

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ColeTrickle0•30 Jan 2023 08:12

Answers: 7

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Nice-Nofret • 2 Feb 2023 12:31

Perimeter insulation beneath the basement floor

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Waldbewohner•31 Jan 2023 20:09

Answers: 6

A

Allthewayup • 1 Feb 2023 21:13

Insufficient concrete cover in basement "white tank" construction

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domino55•27 Jan 2023 19:51

Answers: 12

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k-man2021 • 28 Jan 2023 17:10

Using a Basement Under the Garage as Living Space?

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Mischa7•26 Jan 2023 12:13

Answers: 2

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kbt09 • 26 Jan 2023 13:33

Basement costs vary significantly.

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Gregor_K•12 Aug 2022 21:11

Answers: 23

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Benutzer 1001 • 25 Nov 2022 02:52

Reopen and renovate an old basement (partially filled in)?

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Electrix•8 Nov 2022 20:30

Answers: 3

Winniefred • 24 Nov 2022 18:46

WU concrete basement with dimpled membrane for drainage and insulation

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bowbow91•8 Nov 2022 02:12

Answers: 3

B

bowbow91 • 8 Nov 2022 11:50

Basement Drainage – Technically Necessary or Not?

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DaniMartinez•21 Oct 2022 09:50

Answers: 10

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Philfuel • 22 Oct 2022 10:15

Building a Basement – Is Installing Exterior Insulation in January Advisable?

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darksun•10 Oct 2022 14:44

Answers: 13

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WilderSueden • 17 Oct 2022 08:55

Basement without additional floor covering / cleaning of the concrete slab

Hendrik1980•13 Sep 2022 20:38

Answers: 34

Hendrik1980 • 22 Sep 2022 15:41

Dimple membrane and drainage for basement – useful as a temporary solution?

Metalhead•6 Sep 2022 13:33

Answers: 4

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Jann St • 11 Sep 2022 19:34

Moisture in the Laundry Room – Should You Ventilate or Use a Dehumidifier?

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HubiTrubi40•19 May 2022 01:31

Answers: 21

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CunigundBarlha • 25 Aug 2022 10:33

Basement formwork damaged during installation

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ChriRoth•11 Aug 2022 15:48

Answers: 3

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gtgeorge79 • 11 Aug 2022 19:00

Masonry Basement for New Construction KfW 40 Energy Standard

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Brücke239•9 Apr 2022 09:59

Answers: 3

11ant • 9 Apr 2022 14:34

Basement under a garden shed – recommended approach?

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Appel2000•26 Sep 2021 22:33

Answers: 13

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Steven • 23 Feb 2022 12:51

Basement staircase: closed off or open?

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armikxx•2 Feb 2022 15:27

Answers: 3

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armikxx • 3 Feb 2022 16:40

Staggered Construction of Basement and House

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filosof•12 Jan 2022 22:21

Answers: 6

A

allstar83 • 23 Jan 2022 13:22

New Basement Beneath the Foundation of an Existing House

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Chris-Cross•7 Dec 2021 21:59

Answers: 34

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TmMike_2 • 11 Dec 2021 19:24

Basement for Utility Use: Insulation, Heating, Raising the Ceiling?

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blubbernase•18 Nov 2021 10:43

Answers: 36

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blubbernase • 8 Dec 2021 16:48

White tank waterproofing – Are anchor bolts allowed?

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Kensington•15 Nov 2021 09:42

Answers: 1

andimann • 15 Nov 2021 12:03

Applying joint compound to basement concrete walls

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exto1791•8 Nov 2021 15:51

Answers: 17

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driver55 • 12 Nov 2021 13:47

Basement Stairs in New Construction – Concrete or Extension of the Ground Floor Wooden Staircase?

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HoisleBauer22•9 Nov 2021 00:03

Answers: 3

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hampshire • 9 Nov 2021 18:49

Unpleasant Surprise with the Basement Staircase

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Haus_käufer•21 Oct 2021 15:09

Answers: 13

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Haus_käufer • 28 Oct 2021 19:26

Basement Renovation in an Older Home: Do It Yourself or Hire a Professional?

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piepen55•6 Oct 2021 15:02

Answers: 14

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piepen55 • 18 Oct 2021 08:41