ᐅ Foundation / Slab

Learn how to get everything right when building your foundation and slab – for a stable base and a safe home!

Thermal bridge? Concrete ceiling versus surface temperature.

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HabneFrage•28 Nov 2020 09:25

Answers: 8

11ant • 28 Nov 2020 17:12

Formwork blocks on the slab: should they be set in a mortar bed or not?

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abc12345•5 Nov 2020 08:15

Answers: 13

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abc12345 • 12 Nov 2020 13:29

Impact sound insulation in the concrete slab (floor slab)

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Bremer_Haus•16 Jul 2020 21:45

Answers: 10

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pagoni2020 • 10 Nov 2020 14:12

Excessive Excavation, Oversized Foundation Pit

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Sandra32•31 Oct 2020 17:16

Answers: 4

Nida35a • 9 Nov 2020 16:29

The concrete slab is visible through the facade, but only on the north side.

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fraubauer•9 Nov 2020 10:00

Answers: 4

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Bookstar • 9 Nov 2020 11:55

Adding a Base Extension and Forgetting the Expansion Joint – Who Is Responsible?

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jwiejulietta•1 Nov 2020 18:49

Answers: 2

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jwiejulietta • 2 Nov 2020 16:37

Sealing the Foundation Slab – Bituminous Membranes

Der Storch•19 Oct 2020 19:09

Answers: 4

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Nordlys • 23 Oct 2020 12:26

Concrete slab poured too large – it has now been cut down – is this acceptable?

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Sporttasche•1 Oct 2020 09:22

Answers: 48

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icandoit • 17 Oct 2020 17:20

Load-bearing foundation structure, base layer for slab foundation

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Pet1234•29 Apr 2020 17:38

Answers: 27

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fach1werk • 13 Oct 2020 18:44

Waterproofing a basement wall from the inside to prevent external water infiltration. What are the possible solutions?

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Schubbiano•28 Sep 2020 20:18

Answers: 5

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pagoni2020 • 30 Sep 2020 22:31

KfW 55, Ytong 36.5 poorly bonded, too many gaps?

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Olaf Mayer•8 Dec 2016 21:03

Answers: 18

11ant • 25 Sep 2020 17:25

The ground beneath the garage needs to be stabilized because the neighboring property is at a lower elevation.

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Christina W.•9 Sep 2020 10:20

Answers: 5

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Escroda • 10 Sep 2020 06:48

Concrete slab – key factors to consider

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Christian144•7 Sep 2020 15:37

Answers: 8

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haydee • 8 Sep 2020 10:05

Thermal bridge caused by reinforced concrete columns on the extension

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Jin85•18 Jan 2017 19:51

Answers: 6

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Jin85 • 6 Sep 2020 07:42

Creating a Concrete Slab for a Terrace Retrospectively

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manello01•25 Aug 2020 14:01

Answers: 7

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Steven • 28 Aug 2020 18:35

Potato Cellar – Foundation Slab – Construction Layers

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Peter Silie•5 Aug 2020 05:33

Answers: 25

11ant • 14 Aug 2020 15:31

Is a concrete slab foundation impossible without a geotechnical engineer?

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Pixelsurium•14 May 2020 17:01

Answers: 10

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Pixelsurium • 8 Aug 2020 14:29

Concrete slab for garden shed directly on the property line or is it better to leave some distance?

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hippjoha•24 Jul 2020 13:15

Answers: 13

bauenmk2020 • 25 Jul 2020 09:55

Formwork wall with or without a foundation

M4rvin•20 Jun 2020 08:27

Answers: 13

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Steven • 15 Jul 2020 21:58

Excavation for soil class 4 – only for the foundation slab or for the entire property?

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Fragenasker•3 Jul 2020 01:24

Answers: 4

Vicky Pedia • 15 Jul 2020 20:15

Insufficient Integration of Joint Flashing?

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bazinga•16 Jun 2020 17:03

Answers: 1

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Jann St • 10 Jul 2020 18:11

Concrete slab, insufficient cement content in the concrete mix

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Eriwan2•14 Jun 2020 15:06

Answers: 19

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Koordinator • 30 Jun 2020 20:38

Foundation slab incorrectly positioned

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neutronbx•21 Jun 2020 03:21

Answers: 40

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neutronbx • 27 Jun 2020 02:15

Is the quality of the foundation slab sufficient?

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neutronbx•21 Jun 2020 04:22

Answers: 6

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neutronbx • 25 Jun 2020 01:12

Cost of Strip Foundation for a Prefabricated Double Garage

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immermehr•4 Jun 2020 22:07

Answers: 6

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Osnabruecker • 5 Jun 2020 16:36

Garage foundation in the workspace

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immermehr•2 Jun 2020 21:11

Answers: 2

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immermehr • 3 Jun 2020 19:39

Are the costs for slab foundations or strip footings reasonable?

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knalltüte•30 May 2020 15:30

Answers: 5

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Daniel-Sp • 30 May 2020 21:01

Poor workmanship of the concrete slab?

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woboter•26 May 2020 08:22

Answers: 5

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Bookstar • 26 May 2020 18:11

Frost-Protected Shallow Strip Foundation for Overseas Projects

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Boris Frank•15 Mar 2020 16:05

Answers: 8

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Grundaus • 18 May 2020 09:49

Foundation bedding gravel, size 0/45 or 0/32, quality grade

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immermehr•9 May 2020 19:57

Answers: 3

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immermehr • 9 May 2020 20:37

Facing bricks/veneer bricks ruined by GÜ!

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Heidegeist•26 Apr 2020 20:10

Answers: 2

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Heidegeist • 2 May 2020 18:13

Moisture Sealing of the Concrete Slab

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trksglm•3 Feb 2020 13:01

Answers: 28

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PyneBite • 29 Apr 2020 21:53

Strip foundation and grounding installed correctly?

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Mephisto23•20 Apr 2020 15:33

Answers: 10

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Mephisto23 • 22 Apr 2020 22:19

Damp Exterior Wall / Repair with Liquid Waterproofing Membrane?

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Bembe•20 Apr 2020 21:24

Answers: 1

Vicky Pedia • 21 Apr 2020 10:03

Pouring the slab in sections?

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abc12345•10 Apr 2020 11:43

Answers: 19

11ant • 16 Apr 2020 16:28

Waterproofing for Monolithic Wall Construction and Strip Foundations

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Mephisto23•14 Apr 2020 15:37

Answers: 2

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Mephisto23 • 15 Apr 2020 08:46

Leave existing basement floor slab in place

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HenrikM•7 Apr 2020 07:43

Answers: 7

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haydee • 7 Apr 2020 20:55

Waterproofing the slab of a former basement swimming pool

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whilee21•31 Mar 2020 12:12

Answers: 0

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whilee21 • 31 Mar 2020 12:12

Start of House Construction / Laying the Foundation Slab / Tips

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Leergut64•11 Mar 2020 20:30

Answers: 13

K1300S • 12 Mar 2020 15:27

Damp Basement Wall – How Does Water Penetrate?

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McLovin•2 Mar 2020 09:15

Answers: 11

HausiKlausi • 4 Mar 2020 10:04

Sealing Basement Exterior Walls, Cove Joint, and More

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Teamserox08•3 Mar 2020 21:02

Answers: 1

Vicky Pedia • 3 Mar 2020 21:10

Cracks in the concrete of the ring beam – Request for assessment

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-XIII-•22 Feb 2020 07:57

Answers: 5

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T_im_Norden • 22 Feb 2020 14:56

What are these patches on the waterproofing membrane (slab foundation)?

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uti-pepe•20 Feb 2020 17:08

Answers: 5

Vicky Pedia • 21 Feb 2020 20:59

Slab on Ground in Contact with Water – Alternatives to Waterproof Concrete?

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derbasti1896•15 Feb 2020 11:31

Answers: 3

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derbasti1896 • 19 Feb 2020 05:25

Installation of Additional Insulation for Underfloor Heating – Cables Laid on Structural Floor Slab

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Tx-25•26 Jan 2020 20:40

Answers: 25

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Woogl • 4 Feb 2020 16:37

Is Insulation Under the Concrete Slab Beneficial? Experiences and Insights

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lesmue79•7 May 2019 17:18

Answers: 39

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Bookstar • 2 Feb 2020 16:29

Is a multi-utility connection included in the foundation slab?

Lucrezia•29 Jan 2020 09:28

Answers: 14

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borderpuschl • 29 Jan 2020 11:54

Which type of foundation slab/construction method to choose and what to watch out for!

axelnpunkt•13 Jan 2020 12:38

Answers: 11

Vicky Pedia • 24 Jan 2020 21:59

Bitumen waterproofing membrane on the concrete slab

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Smarti99•8 Jan 2020 13:36

Answers: 19

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Grantlhaua • 20 Jan 2020 11:35

Basement Insulation for Interior Walls in New Construction

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khb70•17 Nov 2018 15:41

Answers: 20

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guckuck2 • 4 Jan 2020 14:42

Exterior wall of the shell structure damp – is this normal?

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AnSe2019•9 Dec 2019 15:02

Answers: 2

11ant • 3 Jan 2020 16:18

Stainless Steel Foundation Earth Electrode V4A – What Are the Requirements?

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joken74•28 Dec 2019 22:50

Answers: 1

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Nordlys • 28 Dec 2019 23:13

Foundation for a 1.5-meter-high retaining wall made of large rectangular blocks.

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Thierse•9 Mar 2019 07:40

Answers: 25

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pffreestyler • 16 Dec 2019 09:52

Exterior wall of the structural shell damp – is this normal?

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AnSe2019•9 Dec 2019 15:06

Answers: 11

Dr Hix • 10 Dec 2019 12:07

Construction Contract Additional Costs for Foundation Reinforcement?

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phill1.•11 Nov 2019 09:51

Answers: 10

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phill1. • 14 Nov 2019 13:30

Foundation slab – reinforcement visible from the side

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ecCurity•13 Oct 2019 17:29

Answers: 15

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Silent010 • 28 Oct 2019 13:23

Basement wall insulation

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TiSa1920•26 Oct 2019 20:35

Answers: 0

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TiSa1920 • 26 Oct 2019 20:35

Garden wall without a concrete foundation?

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krischaaan•17 Oct 2019 21:26

Answers: 9

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Steffi33 • 19 Oct 2019 18:31

Is the planned foundation slab too deep?

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TD-210p•10 Oct 2019 20:37

Answers: 2

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ypg • 18 Oct 2019 13:16

Planning a Building Extension (Foundation/Load-Bearing Capacity/Alternatives)

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pmuente•26 Sep 2019 13:09

Answers: 22

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pmuente • 17 Oct 2019 21:39

Slab foundation with concrete core activation. What are your thoughts?

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Peter L•19 Dec 2017 12:37

Answers: 46

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Tom_Säuer • 6 Oct 2019 21:07

Concrete slab – vapor barrier against rising moisture

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AnSe2019•30 Sep 2019 13:58

Answers: 15

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Mottenhausen • 2 Oct 2019 10:13

What should basement exterior walls be coated with?

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netzplan•6 Sep 2019 14:09

Answers: 4

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netzplan • 25 Sep 2019 07:48

Is basement insulation necessary, general contractor or earthworks specialist?

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immermehr•24 Sep 2019 21:38

Answers: 1

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hanse987 • 24 Sep 2019 22:10

Converting a Concrete Basement into an Office and Guest Room

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xnetworkerx•13 Sep 2019 15:33

Answers: 1

tomtom79 • 14 Sep 2019 10:07

Incorrect batter board layout – strip footing already poured

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verobero•10 Sep 2019 10:37

Answers: 0

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verobero • 10 Sep 2019 10:37

Landing/Step – with a concrete base or individual slabs set directly into the foundation?

Kaspatoo•13 May 2019 13:15

Answers: 5

Kaspatoo • 8 Sep 2019 13:24

Foundation for a garden shed – slope towards the lawn?

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JoergJ•27 Aug 2019 07:47

Answers: 0

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JoergJ • 27 Aug 2019 07:47

Concrete slab – Reinforcement steel protruding

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Tmsb2019•16 Aug 2019 09:17

Answers: 12

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Zaba12 • 17 Aug 2019 10:05

Concrete slab with perimeter insulation beneath – "soil" !!!URGENT!!! PICTURE

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Strobel•15 Aug 2019 21:21

Answers: 4

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KlausiMausi • 16 Aug 2019 06:00

Stepped foundation for wall to be built up

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Steve_D•5 Aug 2019 10:25

Answers: 2

wrobel • 9 Aug 2019 09:35

Foundation: Individual and Strip Footings vs. Slab Foundation

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Bauherr am L•8 Aug 2019 14:53

Answers: 1

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Nordlys • 8 Aug 2019 19:24

How many conduits are advisable to install when pouring the foundation slab?

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Andre77•29 Jul 2019 15:49

Answers: 23

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hampshire • 30 Jul 2019 23:12

KG pipe below the slab not installed in a sand bed – is this a construction defect?

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eddies•24 Jul 2019 19:10

Answers: 6

Knöpfchen • 24 Jul 2019 20:16

Foundation formwork made from Poroton blocks

Golfi90•15 Jul 2019 17:20

Answers: 39

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Dipol • 22 Jul 2019 10:25

Insulation – Converting a Basement into Living Space

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Robin46•14 May 2019 11:04

Answers: 4

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Robin46 • 19 Jul 2019 12:09

Does the insulation beneath the concrete slab need to extend all the way to the formwork?

Golfi90•16 Jul 2019 16:54

Answers: 14

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Lumpi_LE • 18 Jul 2019 08:24

Question about Frost Protection for Concrete Foundations of Garden Sheds

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tim2111•11 Jul 2019 13:37

Answers: 1

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apokolok • 12 Jul 2019 15:18

Uneven Concrete Slab? Construction Defect?

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Bob79•7 Jul 2019 18:55

Answers: 9

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ypg • 8 Jul 2019 21:44

Concrete foundation grounding (frost protection skirt) improperly installed

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Mr Unkown•23 Sep 2018 10:44

Answers: 15

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Dipol • 4 Jul 2019 00:34

KfW 55 – Insulation Below the Concrete Slab

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Hausbauenxx•25 Apr 2019 10:13

Answers: 37

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Grantlhaua • 1 Jul 2019 12:40

Cost-Benefit of Edge Insulation Strips in a Basement Insulated with 180mm XPS

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Christoph84•8 Jun 2019 22:11

Answers: 3

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guckuck2 • 9 Jun 2019 22:40

Filling the site for a concrete slab foundation

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Bauvorhaben20•2 Jun 2019 23:28

Answers: 7

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Bauvorhaben20 • 5 Jun 2019 12:57

Concrete slab with varying elevations

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landhausbauer•2 Jun 2019 21:45

Answers: 4

11ant • 3 Jun 2019 18:58

Bending-resistant slab foundation driven over by a truck in less than one day

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-Sleepwalker-•16 May 2019 21:32

Answers: 23

Q

quisel • 1 Jun 2019 10:17

Concrete foundation for a masonry raised garden bed

400Volt•23 May 2019 18:12

Answers: 0

400Volt • 23 May 2019 18:12

Plant bed wall with or without foundation

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martinschm•19 May 2019 12:32

Answers: 3

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Nordlys • 20 May 2019 13:34

Wastewater pipes either routed under the foundation slab or combined outside

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Palladin73•17 May 2019 21:50

Answers: 4

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lesmue79 • 19 May 2019 11:51

Concrete Slab - What to Check Before Pouring?

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quisel•16 Apr 2019 07:35

Answers: 5

Q

quisel • 16 Apr 2019 10:19

Foundation slab – Reinforcement / Recess & Quality

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HausbauTiNa•16 Dec 2018 12:31

Answers: 6

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Thierse • 10 Apr 2019 19:13

Clayey soil. Is soil replacement recommended for the foundation?

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Thierse•26 Mar 2019 18:03

Answers: 4

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Nordlys • 6 Apr 2019 18:56

Uneven and loose paving – what can help?

kaho674•1 Mar 2019 08:24

Answers: 38

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Nordlys • 14 Mar 2019 08:50

Structural analysis for repurposing an existing concrete slab

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thanatos•11 Mar 2019 17:37

Answers: 5

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wurmwichtel • 12 Mar 2019 12:37

Adding insulation to a concrete slab foundation afterwards despite low ceiling height?

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Kanjuga•11 Mar 2019 21:26

Answers: 4

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dertill • 12 Mar 2019 07:45

Is the foundation slab planned to be too deep?

M4rvin•9 Mar 2019 16:29

Answers: 30

M4rvin • 11 Mar 2019 21:33

Retrofit horizontal damp-proof course in basement wall made of concrete blocks

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Trekrub•24 Feb 2019 13:30

Answers: 0

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Trekrub • 24 Feb 2019 13:30

Concrete slab with strip foundation and frost protection apron

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Christian K.•8 Feb 2019 21:48

Answers: 23

Mycraft • 9 Feb 2019 18:09

Proper Procedure: Wall Opening & Foundation Slab

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Frida&Peter•28 Jan 2019 10:50

Answers: 5

Dr Hix • 28 Jan 2019 13:41

Excavation Work for Strip Foundations

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mariuszd•20 Jan 2019 19:42

Answers: 2

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Turmbauer • 20 Jan 2019 20:33

Sealing of Electrical/Telecom Service Entry – Was the Contractor Negligent?

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Reini1234•15 Jan 2019 20:06

Answers: 4

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Reini1234 • 16 Jan 2019 22:08