ᐅ Roof

Learn what to consider when planning and constructing your roof to ensure your home is well-protected, energy-efficient, and durable!

Extension flat roof insulation between the rafters

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Dennis163•19 May 2026 13:25

Answers: 0

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Dennis163 • 19 May 2026 13:25

Planning a Patio and Roof Covering

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-SCEPS-•6 Aug 2019 15:44

Answers: 51

F

FireflyKobold • 13 May 2026 09:57

Renovation of Internal Roof Gutter / Parapet – Corrosion Issues & Standing Water in Salt-Influenced Coastal Air

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RB25DETT•27 Apr 2026 20:06

Answers: 2

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RB25DETT • 27 Apr 2026 20:17

Semi-detached house roof with different heights

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M9698•7 Apr 2026 16:13

Answers: 4

11ant • 7 Apr 2026 16:39

Extend the rain gutter beyond the roof edge

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borammer•31 Mar 2026 15:30

Answers: 1

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Nauer • 31 Mar 2026 16:34

Issue with Water Ponding at the Eaves

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Blubi•23 Mar 2026 14:11

Answers: 4

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Blubi • 23 Mar 2026 17:53

Load-bearing wooden beam (installed in 1908) with a longitudinal crack and creaking under load – is this normal or a cause for concern?

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Lyss•18 Mar 2026 18:14

Answers: 0

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Lyss • 18 Mar 2026 18:30

Hatch Cover for Attic Stairs – User Experiences

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Ubibubi•21 Feb 2024 13:12

Answers: 19

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Groenner84 • 16 Mar 2026 13:42

Photovoltaic Panels on a Shed – Is It Worthwhile to Replace an Existing Standing Seam Metal Roof?

Hendrik1980•1 Mar 2026 11:02

Answers: 3

Y

ypg • 1 Mar 2026 14:24

Experience with Balex Thermano Above-Rafter Insulation

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Noone9•17 Feb 2026 07:53

Answers: 1

N

Nauer • 17 Feb 2026 13:06

Flat Roof – What to Consider for New Construction in 2026?

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thatniks•25 Jan 2026 22:32

Answers: 3

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Grundaus • 26 Jan 2026 15:44

Mold in the Attic (Crawl Space)

ed_2022•14 Jan 2026 21:59

Answers: 1

A

Allthewayup • 23 Jan 2026 20:01

Insulation Between Rafters in Older Buildings: Material Selection, Vapor Retarder, and Ventilation

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Bertlar•29 Dec 2025 13:35

Answers: 2

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Bertlar • 20 Jan 2026 18:44

Replacing Roof Insulation in a House Built in 1987

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Biene32•14 Jan 2026 11:28

Answers: 0

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Biene32 • 14 Jan 2026 11:28

Is the underlay membrane in the roof still durable?

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hoppelstrasse•12 Jan 2026 20:40

Answers: 0

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hoppelstrasse • 12 Jan 2026 20:40

Renovating an Old Roof or Upgrading Interior Insulation? A Guide for Homes Built Around 1920

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SebastianHe•23 Dec 2025 17:02

Answers: 4

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SebastianHe • 29 Dec 2025 19:00

Timber Frame Gable Roof Construction: Advantages and Disadvantages of Ceiling Panels, Insulation, and Soundproofing

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Pianist•28 Dec 2025 14:11

Answers: 9

11ant • 29 Dec 2025 16:58

Beam Opening for HVAC Duct—Is It Acceptable?

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Vivi5432•12 Dec 2025 17:44

Answers: 5

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Vivi5432 • 22 Dec 2025 20:13

Close the airspace in the roof above the partition walls

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tenspoplin5s•21 Dec 2025 22:16

Answers: 0

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tenspoplin5s • 21 Dec 2025 22:16

Ventilated or Non-Ventilated Insulated Gable Roof on a Bungalow

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NoName77•8 Dec 2025 20:57

Answers: 3

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NoName77 • 13 Dec 2025 20:45

Balcony cantilever made with Lehmann bricks

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Hafenguy•8 Dec 2025 21:23

Answers: 0

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Hafenguy • 8 Dec 2025 21:23

Flat Roof on Garage with EPDM Membrane: Cracks and Leaks

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ElBoCaDiLlO•5 Dec 2025 16:06

Answers: 0

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ElBoCaDiLlO • 5 Dec 2025 16:06

Reinsulating a roof with roofing felt layers

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Sfi2044•26 Nov 2025 10:52

Answers: 0

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Sfi2044 • 26 Nov 2025 10:52

Construction Details: Gap Between Ring Beam and Timber Flat Roof

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tenspoplin5s•23 Nov 2025 20:21

Answers: 10

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Nauer • 23 Nov 2025 23:14

Do roof tiles need to overlap the side flashing of a roof window?

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cathz11•16 Nov 2025 17:22

Answers: 1

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Nauer • 17 Nov 2025 23:32

Shed Roof Prefa – Creaking and Popping Noises

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matix_xitam•17 Nov 2025 21:30

Answers: 1

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Nauer • 17 Nov 2025 23:14

House built in 1966: Installing roof insulation between the rafters

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MIRO1952•13 Nov 2025 11:35

Answers: 0

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MIRO1952 • 13 Nov 2025 11:35

Roof Renovation / Roof Structure and Covering / Costs / Contacts

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Mr.Orange•29 Oct 2025 06:46

Answers: 6

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nordanney • 29 Oct 2025 16:57

Who has experience with Bornit roof coating for weathered roofing felt?

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Felixbau•23 Oct 2025 14:33

Answers: 1

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Nauer • 27 Oct 2025 10:33

Aluminum U-Profile Flat Roof Removal Without Damage?

A

aniussi89•20 Oct 2025 00:01

Answers: 3

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Singelküche • 20 Oct 2025 19:33

Flat Gable Roof – Construction Using Purlins and Rafters: Wedges or Notches?

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Aceton300•30 Sep 2025 21:06

Answers: 2

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hanghaus2023 • 6 Oct 2025 09:56

Flat roof, entrance canopy, standing water

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Maulwurfbau•26 Sep 2025 08:11

Answers: 1

A

Allthewayup • 27 Sep 2025 16:44

Renovating an Old Roof from the 1970s

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NeuerUser•9 Sep 2025 10:37

Answers: 4

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NeuerUser • 15 Sep 2025 00:35

Roof Tile Defects – Assessments? Experiences?

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Bau_Schmitty•13 Aug 2025 21:41

Answers: 2

B

Bau_Schmitty • 13 Aug 2025 22:50

Brustor B600 S or Gibus Velvet Plus – Louvered Roof with Retractable Slats

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Timähhh•11 Jul 2025 14:13

Answers: 9

B

bewobau • 9 Aug 2025 13:51

Renovating or Upgrading Roof Insulation / Increasing Rafter Depth

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Mike_Ef•6 Aug 2025 22:29

Answers: 1

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Nauer • 7 Aug 2025 00:07

Flat roof garage on new garage construction

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Marcel1981•19 Jun 2025 16:03

Answers: 0

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Marcel1981 • 19 Jun 2025 16:03

Temporary solution to drain water from a flat roof?

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Sofie Flatroof•19 Jun 2025 08:28

Answers: 5

M

Molybdean • 19 Jun 2025 15:37

Renovating a Garage Roof – Sandwich Panels? Corrugated Sheets? Trapezoidal Metal Sheets?

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Andik81•6 Jun 2025 07:29

Answers: 3

A

Arauki11 • 6 Jun 2025 17:53

Noise from Rainwater Drainage on Flat Roofs

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harkonsen•30 May 2025 08:59

Answers: 1

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Schnackischnak • 1 Jun 2025 20:01

Terrace construction above an unheated garage

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turhanet•13 May 2025 10:31

Answers: 16

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hanghaus2023 • 15 May 2025 09:29

Leveling and Sealing a Bitumen Roof

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Mice_83•14 Apr 2025 14:38

Answers: 2

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Mice_83 • 4 May 2025 19:54

Online tool for planning a (hip) roof

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gerrygerd•18 Feb 2025 22:40

Answers: 32

Nida35a • 22 Feb 2025 16:06

How to Properly Insulate a Roof with Sheathing?

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Falcrum•19 Dec 2024 14:23

Answers: 5

F

Falcrum • 20 Dec 2024 09:21

New Roof Tiles Only with Photovoltaic Installation?

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House Grey•2 Dec 2024 03:56

Answers: 8

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hanghaus2023 • 3 Dec 2024 10:17

New roof with membrane, battens, and tiles = price

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House Grey•28 Nov 2024 16:31

Answers: 0

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House Grey • 28 Nov 2024 16:31

Neighbor is insulating their gable wall. They want to add 15 cm of insulation extending onto our roof.

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House Grey•27 Nov 2024 09:44

Answers: 8

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nordanney • 28 Nov 2024 10:58

How important is a "traditional" roof in the era of photovoltaic systems?

tempusfugit•6 Nov 2024 09:29

Answers: 23

familie_s • 7 Nov 2024 21:06

Access to the attic – space-saving staircase centrally located in the gallery

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ElBoCaDiLlO•5 Nov 2024 09:26

Answers: 6

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hanghaus2023 • 6 Nov 2024 16:29

Water does not drain from the flat roof of the garage

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Sonneneck•20 Dec 2023 22:04

Answers: 16

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hanghaus2023 • 6 Nov 2024 11:49

To ventilate a cold roof or not, which design is best, and what are your experiences?

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Fischi95•5 Nov 2024 12:04

Answers: 1

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nordanney • 5 Nov 2024 12:11

Insulating the attic space after roof renovation

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Kimhof00•4 Nov 2024 07:54

Answers: 0

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Kimhof00 • 4 Nov 2024 07:54

Hole in the Roof – Is the Flashing Installed Correctly?

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axwell23•2 Nov 2024 07:49

Answers: 1

A

Allthewayup • 2 Nov 2024 20:18

Filling the gap between two roofs of different heights

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h4zz4rd•31 Oct 2024 16:42

Answers: 0

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h4zz4rd • 31 Oct 2024 16:42

Combining a flat roof with extensive green roofing and a terrace

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Schwabe23•30 Oct 2024 10:38

Answers: 1

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Harakiri • 30 Oct 2024 11:22

Gable edge flashing – color matching the roof tiles or window frames

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Häuschenbauer4•26 Oct 2024 15:24

Answers: 2

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Buchsbaum066 • 26 Oct 2024 17:35

Type of Roof and Roof Window Replacement

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atomic2000•22 Oct 2024 10:59

Answers: 2

B

Buchsbaum066 • 22 Oct 2024 21:12

Asymmetrical Dormer and Bay Window

B

Benutzername12•18 Oct 2024 16:37

Answers: 12

Y

ypg • 18 Oct 2024 22:22

Sealing and Foam-Insulating the Attic Stair Opening

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makst0wer•15 Oct 2024 09:27

Answers: 0

M

makst0wer • 15 Oct 2024 09:27

Flat Roof Unheated Garage – 0° Roof Pitch?

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patalmtt•29 Sep 2024 08:00

Answers: 3

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patalmtt • 12 Oct 2024 21:01

Connection of Garage Roof to House Wall

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Kaffeetasse•6 Oct 2024 15:19

Answers: 1

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Stephan— • 7 Oct 2024 13:46

Patio Roof with Multiwall Polycarbonate Sliding Panels

Patkia•19 Jun 2022 22:50

Answers: 1

L

Leonard_Ja • 4 Oct 2024 11:45

Renovating Roof Rafters and Purlin Ends

E

efsjefo•20 May 2020 15:56

Answers: 15

S

Sammy66 • 24 Sep 2024 12:03

Flat Roof Entrance Canopy Waterproofing with EPDM

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harkonsen•19 Sep 2024 08:44

Answers: 1

S

Simon-189 • 20 Sep 2024 10:27

Extensive green roof on a flat roof or with a 2% slope on a garage?

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helipus•14 Sep 2024 00:35

Answers: 8

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Gerddieter • 16 Sep 2024 22:13

Is it possible to add dormer windows later on a solid roof structure (aerated concrete)?

J

J. Hasek•30 Aug 2024 13:46

Answers: 6

11ant • 31 Aug 2024 23:02

Storm Damage to Roof After Severe Weather – Interior Ceiling Collapsed

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Sebi087•14 Aug 2024 21:49

Answers: 3

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ypg • 14 Aug 2024 22:07

Combination of Existing Above-Rafter Insulation and New Between-Rafter Insulation?

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PATPATPAT•6 Aug 2024 13:59

Answers: 0

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PATPATPAT • 6 Aug 2024 13:59

Condition Assessment of My Roof – Any Experiences?

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asaid10•28 Jul 2024 18:55

Answers: 7

K a t j a • 29 Jul 2024 12:08

Is attic conversion possible? Angular bungalow

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Slawimk•11 Jul 2024 10:42

Answers: 7

M

MachsSelbst • 15 Jul 2024 11:28

Kingspan RW Roof Panel Creaking Noises

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Rubin21•3 Aug 2023 12:05

Answers: 8

R

Rubin21 • 26 Jun 2024 13:34

Insect screen / fly screen, skylight, flat roof

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Malaka110•23 Jun 2024 11:38

Answers: 0

M

Malaka110 • 23 Jun 2024 11:38

Attic Conversion – Challenge or Feasible?

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Hausdaniel•14 Jun 2024 15:52

Answers: 6

Y

ypg • 14 Jun 2024 22:14

Flat roof construction over living space with a build-up height of 12 cm

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nina1989•9 Jun 2024 23:12

Answers: 4

H

Harakiri • 10 Jun 2024 15:40

Metallic noise on the roof during rain

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Ailozi1•3 Jun 2024 21:30

Answers: 0

A

Ailozi1 • 3 Jun 2024 21:30

Sealing a Flat Roof with Bitumen on a Residential Building – DIY Guide

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Vermeer•31 May 2024 12:00

Answers: 0

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Vermeer • 31 May 2024 12:00

What is this metal sheet on the roof, and is it damaged?

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henning181•14 May 2024 22:40

Answers: 1

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hanghaus2023 • 15 May 2024 13:34

Roof Structural Question: Replacing Cross Beams with a Wind Brace?

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danreva•12 May 2024 16:45

Answers: 4

D

danreva • 14 May 2024 10:26

Attic Issue: High Humidity – Mechanical Ventilation with Heat Recovery?

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slygon•28 Feb 2018 13:28

Answers: 39

P

Prager91 • 18 Mar 2024 08:20

Is a drip edge / eaves flashing mandatory?

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Moerfel22•12 Feb 2024 20:41

Answers: 21

M

Moerfel22 • 16 Mar 2024 13:20

Roof tiles overlap the edges of roof windows – is this normal?

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nicpp93•1 Mar 2024 10:41

Answers: 13

A

Allthewayup • 2 Mar 2024 21:30

Vapor Barrier in Flat Roof Renovation

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joschy1976•2 Mar 2024 17:02

Answers: 0

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joschy1976 • 2 Mar 2024 17:02

Looking for a roof membrane manufacturer from 1996 called "...fil®"

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xaverlalo•10 Nov 2023 09:41

Answers: 4

J

Jesse Custer • 1 Mar 2024 09:11

Roof drainage into the gutter or over a drip edge

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Spiderman1982•23 Feb 2024 19:54

Answers: 15

In der Ruine • 27 Feb 2024 09:35

How far should the verge flashing extend above the final roof tile?

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nicpp93•22 Feb 2024 09:57

Answers: 0

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nicpp93 • 22 Feb 2024 09:57

Roof Overhang 10 cm – Example Images

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HnghusBY•9 Jun 2022 14:08

Answers: 14

Musketier • 21 Feb 2024 08:01

Insulation between rafters, remove old felt paper beneath the roof tile

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Mice_83•21 Jan 2024 15:52

Answers: 3

M

Mice_83 • 31 Jan 2024 10:42

Is a 50 cm roof overhang sufficient for an eave height of 3.80 meters?

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THaus22•22 Dec 2023 15:48

Answers: 5

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THaus22 • 22 Dec 2023 18:16

New Construction – High Humidity in the Roof Space – Decentralized Ventilation System

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EFHNeubauer•21 Dec 2023 21:29

Answers: 3

lastdrop • 22 Dec 2023 08:20

Flat Roof Renovation with Insulation – Experiences from Energy Consultants?

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Klauswilhelm•18 Dec 2023 19:03

Answers: 1

B

Buschreiter • 19 Dec 2023 06:51

Facade Renovation: Connection to a Cold Roof System

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paulch7•2 Jan 2023 12:07

Answers: 18

P

paulch7 • 4 Dec 2023 14:02

Bavarian Building Regulations – Are Dormers Not Allowed in Low-Slope Roofs?

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Bienenwabe•3 Nov 2023 20:01

Answers: 8

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hanghaus2023 • 6 Nov 2023 10:26

Hipped Roof: Noise Issues Caused by Roof Drainage

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Johnny1811•31 Oct 2023 23:29

Answers: 0

J

Johnny1811 • 31 Oct 2023 23:29

Roof Suddenly Severely Leaking After Work by Roofer

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Benutzer207•29 Oct 2023 21:09

Answers: 14

B

Benutzer207 • 30 Oct 2023 19:26

30 cm roof overhang at the gable without visible rafters or fascia board

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Ralf1980•15 Oct 2023 18:31

Answers: 4

B

Buchsbaum • 16 Oct 2023 07:51

Distance Between the Last Roof Tile and the Wooden Cladding

C

chrimu27•10 Sep 2023 22:50

Answers: 5

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WilderSueden • 12 Sep 2023 21:41

Cable entry through the roof soffit (eaves)

I

ilmoran•12 Sep 2023 10:19

Answers: 1

In der Ruine • 12 Sep 2023 12:14

Louvered Roof for 3x5m Rooftop Terrace – Experiences / Tips?

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Hamburch•30 Jan 2022 15:33

Answers: 27

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Teutoburger • 4 Sep 2023 07:39

How to Make a Plywood Balcony Surface Waterproof?

ateliersiegel•19 Aug 2023 15:34

Answers: 7

K

KarstenausNRW • 21 Aug 2023 09:30

Experiences with a single-sided raised collar beam roof?

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Haus4711•3 Aug 2023 10:18

Answers: 0

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Haus4711 • 3 Aug 2023 10:18