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rennschnecke9 Jun 2021 20:02Hello,
Since re-roofing my parents’ house including the garage with Berlin profile tiles (roof tiles are not an option) is too expensive for them (260 sqm (2,800 sq ft) for 30,000 euros), my father wants to renovate the garage himself because it’s still a manageable size (about 50 sqm (540 sq ft)).
Currently, Eternit wave 5 sheets are installed directly on the rafters, which are spaced about 50 cm (20 inches) apart. Inside the garage, the ceiling consists of drywall panels.
We thought: if it has lasted 30 years, it can’t be that bad.
So we would simply replace the Eternit sheets again, directly on the rafters, and swap the drywall panels inside for Fermacell boards.
In other words: Eternit sheet -> rafters -> Fermacell board.
A roofer would of course handle this more professionally, using counter battens, battens, and a underlay membrane. Honestly, I don’t know if we could manage that ourselves.
Therefore, we would just replace it one to one.
Alternatively, you could also use trapezoidal metal sheets with fleece, but I don’t know if that would be possible without a substructure. Also, it would look different compared to the house’s roof.
What do you think? A completely foolish idea or a cost-effective way to renovate?
Since re-roofing my parents’ house including the garage with Berlin profile tiles (roof tiles are not an option) is too expensive for them (260 sqm (2,800 sq ft) for 30,000 euros), my father wants to renovate the garage himself because it’s still a manageable size (about 50 sqm (540 sq ft)).
Currently, Eternit wave 5 sheets are installed directly on the rafters, which are spaced about 50 cm (20 inches) apart. Inside the garage, the ceiling consists of drywall panels.
We thought: if it has lasted 30 years, it can’t be that bad.
So we would simply replace the Eternit sheets again, directly on the rafters, and swap the drywall panels inside for Fermacell boards.
In other words: Eternit sheet -> rafters -> Fermacell board.
A roofer would of course handle this more professionally, using counter battens, battens, and a underlay membrane. Honestly, I don’t know if we could manage that ourselves.
Therefore, we would just replace it one to one.
Alternatively, you could also use trapezoidal metal sheets with fleece, but I don’t know if that would be possible without a substructure. Also, it would look different compared to the house’s roof.
What do you think? A completely foolish idea or a cost-effective way to renovate?
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rennschnecke9 Jun 2021 21:35@i_b_n_a_n
Reading it again, I also noticed it... happens when you type too fast on your phone ;-)
I will take photos tomorrow morning.
Reading it again, I also noticed it... happens when you type too fast on your phone ;-)
I will take photos tomorrow morning.
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rennschnecke10 Jun 2021 07:16Here are a few pictures of the roof.
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hanghaus200010 Jun 2021 10:27If I understand correctly, the moisture has caused considerable damage to the gypsum board. There is no reason not to improve it, for example by using an underlayment membrane.
What is wrong with the fiber cement boards?
What is wrong with the fiber cement boards?
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rennschnecke10 Jun 2021 10:34The fiber cement panels are now 30 years old and have occasional cracks, allowing some moisture to penetrate. Not much and not noticeable, but visible due to the wavy panels. There are no damp spots present. Visually, they are also no longer very appealing after all this time.
Is a roofing battens and counter battens required for an underlay membrane?
Is a roofing battens and counter battens required for an underlay membrane?
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