ᐅ Foundation / Slab

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

House with slab foundation on a sloped site

F

fsbau2019•3 Jan 2019 21:50

Answers: 52

F

fsbau2019 • 7 Jan 2019 20:01

Is it possible to effectively insulate the basement floor after construction?

N

netzplan•11 Dec 2018 12:46

Answers: 13

N

netzplan • 2 Jan 2019 09:40

Concrete slab for garden shed

B

Barnhouse•9 Dec 2018 12:59

Answers: 0

B

Barnhouse • 9 Dec 2018 12:59

Sealing the voids beneath the foundation slab pipes

S

Skyfire•8 Dec 2018 01:32

Answers: 0

S

Skyfire • 8 Dec 2018 01:32

Cutting open the concrete slab due to incorrectly installed drainage pipes

H

Heik0•5 Nov 2018 19:13

Answers: 20

B

Bauling2018 • 7 Nov 2018 19:04

Gap in the foundation—does anyone have experience with this issue or any information?

D

Dennis674•27 Oct 2018 16:54

Answers: 5

D

Dennis674 • 28 Oct 2018 08:34

Thermal bridge due to insufficient insulation of the foundation slab?

M

M4dman•18 Oct 2018 18:54

Answers: 3

M

M4dman • 19 Oct 2018 11:00

Construction Site Waste – What Is Acceptable?

R

R.Hotzenplotz•7 Oct 2018 15:46

Answers: 138

N

Nordlys • 11 Oct 2018 18:12

Will we have a moisture problem in the basement?

M

MaytO•24 Sep 2018 09:05

Answers: 3

M

MaytO • 25 Sep 2018 09:10

Is it possible to open or break up a concrete slab foundation – any experiences?

S

Skyfire•23 Sep 2018 09:46

Answers: 5

Y

ypg • 23 Sep 2018 11:36

Sewer pipes were incorrectly installed in the foundation slab!

S

Skyfire•21 Sep 2018 22:27

Answers: 10

S

Skyfire • 22 Sep 2018 14:53

Choosing a Foundation for a Garden Shed – Which Is the Most Affordable?

GelbesT•11 Sep 2018 21:57

Answers: 12

N

nordanney • 13 Sep 2018 11:15

Sealing a slab foundation with Katja Sprint?

S

Skyfire•10 Sep 2018 13:12

Answers: 7

S

Skyfire • 12 Sep 2018 12:37

Interior insulation of basement walls

R

roadrun87•13 Jan 2017 09:14

Answers: 7

D

dertill • 12 Sep 2018 08:20

Interior insulation with extruded polystyrene (XPS) in the basement

H

Hausmeister72•19 May 2015 21:01

Answers: 6

A

Alicce • 11 Sep 2018 22:05

Floor Reconstruction in an Older Building with Insulation Below the Slab

H

Holger81•9 Sep 2018 23:01

Answers: 1

D

dertill • 10 Sep 2018 07:26

Concrete slab on a slight slope for a single-family house with a basement

M

Medis•6 Sep 2018 08:04

Answers: 11

Y

ypg • 6 Sep 2018 15:43

Does a strip footing require a piling foundation?

A

Andre83•20 Aug 2018 15:19

Answers: 7

A

Andre83 • 3 Sep 2018 21:46

Attaching Curbstones to the Foundation – What is the Recommended Method?

Bierbrauer84•27 Aug 2018 09:56

Answers: 0

Bierbrauer84 • 27 Aug 2018 09:56

Retaining wall with strip foundation and cascading formwork blocks

T

tim2111•30 May 2018 08:45

Answers: 18

tomtom79 • 25 Aug 2018 21:17

Assessment of Quotation Price for Insulation Under the Slab/Foundation

A

and1986•23 Aug 2018 02:25

Answers: 17

B

Bookstar • 24 Aug 2018 09:21

Is it possible for a concrete slab to have sufficient load-bearing capacity after 24 hours?

D

denz.•22 Aug 2018 22:14

Answers: 4

B

Bookstar • 23 Aug 2018 09:30

Drainage planning to protect the foundations with perimeter insulation?

GelbesT•14 Aug 2018 08:13

Answers: 3

N

niri09 • 16 Aug 2018 08:49

Waterproofing slurry applied above the foundation slab

M

meister keks•3 Aug 2018 07:46

Answers: 3

D

dertill • 8 Aug 2018 16:09

Perimeter insulation beneath the foundation slab and additional XPS insulation under the screed?

G

GottesJunky•27 Sep 2016 20:44

Answers: 28

L

Lobster • 29 Jul 2018 14:20

Building on a slope: What should the foundation look like?

T

Thierse•16 Jul 2018 14:49

Answers: 3

B

Bookstar • 16 Jul 2018 18:42

Insulation: 8 cm thickness with a thermal conductivity of 0.035 W/(m·K) applied over the concrete slab

V

Verfolger79•9 Jul 2018 15:56

Answers: 5

A

Alex85 • 9 Jul 2018 19:08

Shell construction – Ceiling height too low – What options are still available?

T

teutates•2 Jul 2018 00:10

Answers: 8

S

Steven • 3 Jul 2018 13:11

Vapor Barrier in the Basement – Is There Moisture Beneath?

B

BenutzerPC•25 Jun 2018 06:21

Answers: 1

K

Knallkörper • 25 Jun 2018 20:19

XPS Boards for Basement Waterproofing – No Bitumen Layer

S

Snowy36•22 Jun 2018 10:22

Answers: 23

A

Alex85 • 23 Jun 2018 17:18

Foundation Waterproofing Missing – Recommended Actions?

V

vaincare•20 Sep 2016 10:06

Answers: 17

N

NeuerNachbar • 19 Jun 2018 20:37

Garden Shed Foundation: Concrete Slab or Strip Footing?

K

knock88•10 Jun 2018 21:13

Answers: 7

S

Steven • 13 Jun 2018 08:41

Concrete slab flush with the top or bottom edge? Who has experience?

P

Peter L•29 May 2018 11:58

Answers: 10

Y

ypg • 30 May 2018 10:46

The newly poured concrete slab looks terrible!

Z

zizidodo•19 Apr 2018 23:43

Answers: 5

B

Bookstar • 19 May 2018 11:54

Which type of foundation do you recommend for my garden shed? What would you suggest?

A

AndiPLC•25 Apr 2018 17:24

Answers: 6

blackm88 • 28 Apr 2018 10:13

Heat pump foundation 110 kg. Frost protection / frost resistance

W

world-e•19 Jan 2017 14:19

Answers: 4

W

world-e • 6 Apr 2018 12:56

Water on the foundation slab – cause and source of leak unknown

I

ibo85•21 Mar 2018 10:39

Answers: 24

M

miho • 5 Apr 2018 10:29

Foundation for a Single-Family House: Strip Footing and Slab Foundation

E

eick2303•27 Mar 2018 10:45

Answers: 0

E

eick2303 • 27 Mar 2018 10:45

Earth auger for pier foundations – what diameter is recommended?

C

Changeling•8 Mar 2018 15:09

Answers: 23

F

Fuchur • 15 Mar 2018 16:25

Ventilation duct installed too low in the splash water zone

P

planlos1234•2 Mar 2018 14:00

Answers: 11

P

planlos1234 • 11 Mar 2018 19:36

Is it possible to lay patio slabs on gravel over an old foundation?

D

darek2k5•5 Mar 2018 10:45

Answers: 5

D

darek2k5 • 5 Mar 2018 22:35

Concrete slab poured – How to identify potential frost damage?

J

jfwes•3 Mar 2018 22:08

Answers: 1

saar2and • 3 Mar 2018 22:27

Insulation Under Reinforced Concrete Slab for KfW 55 Standard

T

turbotopo•20 Feb 2018 22:07

Answers: 20

T

Trasher19 • 26 Feb 2018 17:10

Foundation/Base for WPC Decking

B

baudu•8 Apr 2016 11:30

Answers: 36

M

Minela • 20 Feb 2018 21:27

Bitumen membrane on the concrete slab is full of cracks?!

H

hausbaums•12 Feb 2018 13:33

Answers: 1

N

Nordlys • 12 Feb 2018 13:51

Perimeter insulation / slab insulation / brick width / window

S

Stagenberger•10 Feb 2018 11:15

Answers: 10

A

Alex85 • 10 Feb 2018 15:06

Costs for Grounding System / Foundation Grounding – What Are the Expenses?

R

R.Hotzenplotz•1 Feb 2018 20:27

Answers: 1

M

Müllerin • 1 Feb 2018 20:58

Excavating a strip foundation in poor soil conditions

T

Tobias88888•19 Jan 2018 10:05

Answers: 15

11ant • 19 Jan 2018 22:35

Basement or strip footing?

H

Heinz2k•13 Aug 2017 15:03

Answers: 4

B

Baumfachmann • 19 Jan 2018 19:09

Concrete slab inside or outside the insulation layer

W

WilhelmRo•15 Jan 2018 11:46

Answers: 8

11ant • 15 Jan 2018 15:28

Foundations for Aluminum and Glass Patio Covers

Musketier•20 Nov 2017 09:01

Answers: 11

M

Müllerin • 28 Nov 2017 22:59

Incorrectly installed main utility lines

B

Bau-Schmidt•18 Nov 2017 18:13

Answers: 39

Y

ypg • 27 Nov 2017 17:16

Sealing the foundation slab before the roof is installed

W

winnetou78•20 Oct 2017 20:57

Answers: 19

W

winnetou78 • 21 Oct 2017 19:34

Forgot to install perimeter insulation

J

jeti79•24 Jun 2017 11:17

Answers: 80

J

jeti79 • 19 Oct 2017 15:46

From when does the structural shell need to be dry or weather-tight?

M

Marchonisch•6 Oct 2017 04:08

Answers: 16

RobsonMKK • 7 Oct 2017 15:13

Insulating an Unprotected Basement Wall with Bitumen After Construction?

A

Andy70•3 Oct 2017 00:18

Answers: 4

D

Dietema • 5 Oct 2017 09:03

Incorrect Installation of Sound Insulation Between Floor Slabs

A

Acze83•28 Sep 2017 12:52

Answers: 6

M

Mike29 • 28 Sep 2017 23:26

Adhering Polystyrene Foam Boards to Concrete Walls (Basement Wall). Experiences

W

world-e•25 Sep 2017 08:05

Answers: 4

W

world-e • 25 Sep 2017 18:01

Water on the foundation slab

S

sauerpeter•17 Aug 2017 12:27

Answers: 12

D

DNL • 19 Aug 2017 08:19

Concrete slab completed – construction supervisor unavailable

S

sauerpeter•4 Aug 2017 21:43

Answers: 20

D

dohuli • 18 Aug 2017 16:09

Cracks in a freshly poured concrete slab

A

Acze83•17 Jul 2017 21:08

Answers: 3

Yilmaz • 6 Aug 2017 15:34

Pouring the foundation slab, constructing the shell structure

S

salzburg77•3 Aug 2017 11:47

Answers: 4

11ant • 3 Aug 2017 13:57

Floor slab and drainage system

T

TDied•25 Jul 2017 07:23

Answers: 1

bluminger • 25 Jul 2017 07:49

We had the foundations and the slab poured.

bau.herr•20 Jul 2017 18:37

Answers: 8

bau.herr • 23 Jul 2017 10:00

Horizontal waterproofing of the foundation slab

J

joho78•26 Jan 2017 20:54

Answers: 24

N

Nordlys • 22 Jul 2017 12:56

Drainage system not installed efficiently

D

demoncleaner•12 Jul 2017 08:19

Answers: 0

D

demoncleaner • 12 Jul 2017 08:19

Compensating for insufficient parapet height using rigid foam insulation boards

J

joegamble•10 Jul 2017 08:53

Answers: 18

J

joegamble • 11 Jul 2017 15:01

Three rows of formwork blocks / strip foundation used for ground leveling

C

Coconut•8 Jul 2017 09:37

Answers: 5

K

Knallkörper • 10 Jul 2017 00:07

Building foundation waterproofed with bitumen applied to the base slab

Tracktorist•6 Jul 2017 06:00

Answers: 2

Tracktorist • 6 Jul 2017 23:02

New construction, concrete slab foundation, cracks are acceptable

305er•22 Jun 2017 17:16

Answers: 7

M

mibe2500 • 30 Jun 2017 21:47

Sealing the base area for earth formwork and gutter installation

T

Thorsten1983•26 Jun 2017 15:48

Answers: 0

T

Thorsten1983 • 26 Jun 2017 15:48

Offer for Earthworks and Foundation Slab

E

Edwina0511•11 Jun 2017 11:36

Answers: 9

E

Edwina0511 • 11 Jun 2017 14:31

Ground slab insulation / beam and block flooring system

M

molle86•8 Jun 2017 20:13

Answers: 1

AOLNCM • 9 Jun 2017 11:54

Natural gravel layer beneath the concrete slab (foundation)

McEgg•30 May 2017 22:58

Answers: 4

McEgg • 7 Jun 2017 12:31

Insulation for Concrete Slab XPS – Ursa / Jackodur

B

Bushaltefolie•20 May 2017 16:20

Answers: 4

wrobel • 22 May 2017 07:04

Steel beam as a foundation slab

K

kim-princess•20 May 2017 17:18

Answers: 5

tomtom79 • 21 May 2017 23:07

Light well damaged. Could the existing groundwater be causing the problem?

L

Leeho•30 Apr 2017 11:41

Answers: 3

L

Leeho • 14 May 2017 15:15

When do potential damages to the foundation slab typically become apparent?

S

Stockheim•19 Apr 2017 10:28

Answers: 9

Anton1234 • 20 Apr 2017 17:58

Connection of Insulation Between Basement Wall and Concrete Slab

C

cumpa•13 Jul 2016 00:35

Answers: 3

S

SV-Bau01 • 4 Apr 2017 20:27

Filling or backfilling for the concrete slab foundation

T

Timo12345•24 Mar 2017 22:48

Answers: 25

N

Nordlys • 27 Mar 2017 20:31

Foundation for 3-meter Granite Columns

F

Framkos•12 Mar 2017 20:08

Answers: 3

F

Framkos • 13 Mar 2017 15:49

The dimensions of the foundation slab are incorrect.

J

jamal-01•18 Feb 2017 17:59

Answers: 25

11ant • 20 Feb 2017 01:07

Basement Insulation – Insulation Installation Between Waterproof Membrane and Screed

M

mampf•3 Feb 2017 21:32

Answers: 2

M

mampf • 12 Feb 2017 20:39

Is Rain Harmful to a Concrete Slab?

S

sammy77•26 Jun 2016 01:04

Answers: 12

P

Phantom • 22 Dec 2016 14:00

Insulating a capped ceiling over an unheated basement

U

Umbauer_1234•18 Dec 2016 12:24

Answers: 0

U

Umbauer_1234 • 18 Dec 2016 12:24

Thermal insulation for the concrete slab

PETERGLUTH•3 Dec 2016 15:27

Answers: 6

PETERGLUTH • 6 Dec 2016 16:05

Retroactive Sealing of the Concrete Slab

B

Bjoern1000•4 Dec 2016 11:07

Answers: 5

U

Ulrich Fuckert • 5 Dec 2016 13:02

Stabilizing a Settling Foundation

C

ceterum•27 Mar 2016 22:47

Answers: 2

Bremediana • 2 Dec 2016 16:16

Foundation for a Garden Shed

L

Lily•3 Dec 2008 13:26

Answers: 15

H

HilfeHilfe • 30 Nov 2016 06:38

Double insulation below and above the concrete slab?

T

torsten80•26 Nov 2016 11:39

Answers: 10

tomtom79 • 27 Nov 2016 19:31

Wide joints in aerated concrete blocks

D

deichwacht•14 Nov 2016 13:29

Answers: 9

L

Legurit • 14 Nov 2016 21:29

Slab foundation / suitable soil for foundation and related topics

S

Silent010•7 Nov 2016 10:31

Answers: 3

E

Evolith • 7 Nov 2016 12:02

Schwörer House – DIY Concrete Slab?

S

SchneeRose82•29 Oct 2016 17:01

Answers: 7

O

ONeill • 30 Oct 2016 13:35

Moisture damage in insulation layer above the slab foundation

f-pNo•17 Oct 2016 08:50

Answers: 6

f-pNo • 18 Oct 2016 11:30

Reinforcement in the ring beam is exposed.

R

rabudde•17 Oct 2016 17:16

Answers: 6

R

rabudde • 18 Oct 2016 09:51

Additional insulation work for the foundation slab when building to KfW 40 standard instead of KfW 55

biahoi•21 Jul 2016 12:45

Answers: 5

T

toxicmolotof • 14 Oct 2016 10:40

Reinforcement visible

MusterFaust•9 Sep 2016 20:00

Answers: 31

MusterFaust • 11 Oct 2016 22:20

Concrete slab with defects?

E

expose•3 Oct 2016 22:34

Answers: 22

B

Bauexperte • 6 Oct 2016 00:25

Planning vertical waterproofing/insulation for the foundation slab/base area

I

Ippebson•29 Sep 2016 15:48

Answers: 6

RobsonMKK • 1 Oct 2016 10:02

Incorrect Concrete in the Foundation? XC3 Instead of XC2

P

partyarti•8 Sep 2016 22:19

Answers: 4

P

partyarti • 15 Sep 2016 11:39