Hello dear Byggahus.se!

We are in the process of building a 25 sqm accessory dwelling unit with a loft.
But we have some questions about how the roof construction should look to maximize the ceiling height in the loft.

AREA: 25 sqm (4 x 6.25m)
RIDGE HEIGHT: 4 meters
ROOF PITCH: 15 degrees

Blueprint of a 25 sqm accessory dwelling unit with loft, showing cross-section and floor plan with roof pitch at 15 degrees and kitchen layout.

RIDGE BEAM or RAFTERS are two options.

Thank you so much for the help!! :);)

Diagrams and models showing roof construction options for a 25 sqm loft house with ridge beam alternatives and a 15-degree roof slope.
Illustration of a 25 sqm accessory dwelling unit with a loft, showing roof rafters for maximizing height.
 
Please remove this thread, I apparently posted in the wrong forum.
 
It's a shame to complain on a free forum about waiting 8 hours and then getting upset for not receiving an answer.
I find it hard to understand the question but I'm not a designer.
Plenty of nice pictures but it's difficult for me to form an opinion on what they are supposed to show.
 
uh what? I meant "subcategory" as in forum.

If I had complained about the forum, I would have written it much clearer.
 
Haha, that people don't read before they comment.

Go for a 45-degree roof pitch and laminated timber beam at the ridge. Absolutely the best way if you want space and height.
 
A shed roof with 3 degrees must be the best
 
Pulpettak = Terribly ugly.
 
The building height is causing problems. 4 meters is not much. It is measured from the ground surface. If you follow Marre's advice, you'll need to dig the slab down a meter into the ground. It will be a bit like going down into a cozy root cellar. If you do so, you'll get a loft with standing height. It has clear potential if you ask me. Fun with surprising solutions that no one expects. A turf roof makes the whole house disappear visually to open up when you step through the door. Exciting.

Best regards,
Findus
 
Marre666 said:
Pulp roof = Terribly ugly.
We are all different but I don't agree with saying that it is ugly.
 
Absolutely, tastes differ, which is good.

However, I really struggle with that boxy, wannabe architect-designed house. To me, it just looks like B. If so, it should be a truly expensive architect-designed house where everything follows a thread, or alternatively, a classic house.
 
4m is not that much, ridge beam or make trusses with only nail plates in the ridge angle? How much insulation are you planning to have?

Lean-to is probably the best solution though ;)
 
As insulation in the roof, we are thinking of using 225mm PIR, which should apparently be sufficient.

Ridge beam, rafters, roof truss, or some other option?

Does anyone know a cheap constructor we can hire? Most seem to think they are building a villa and want 30,000kr+

Thank you very much for your answers.
 
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