ᐅ Roof types: which is best in different situations and why? Seeking experiences and insights

11ant schrieb:
Apart from the fact that using a truss construction instead of rafters is cheaper (but unfortunately more suitable for a "flat cover" rather than usable attic space), you can generally say that more hips or more ridges make the roof structure more complex (the same goes for dormers, etc.). Regarding the roofing material, some roof tiles can only be used for roof pitches of about 20…22° (degrees) roof pitch, and for even flatter slopes, different tiles are required.

So far, I can follow you.

With a hipped Mansard roof with bat dormers on an irregular angled floor plan, you would really push the limits both in terms of taste and cost ;-)

No idea what that is supposed to mean.

Garten2 schrieb:
No idea what that’s supposed to be.

A mansard roof is a gable roof with a change in slope, starting steeper; a hip roof has only sloping sides, no gables, or as a truncated hip roof it has gables below and hips on top; batten dormers have a wavy shape; an L-shaped floor plan alone makes any roof structure more complicated, and with projections and recesses even more so. So that would be a wolpertinger-like mix of everything that makes a roof structure expensive (a Wolpertinger is a fanciful combination of mythical creatures). Is it clear now? ;-)

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Tim Müller schrieb:
Hi 🙂
I already have a plot, building class 1, detached with 40% buildable area. There are no strict regulations in the neighborhood. My question is this: At first, I thought of a standard gable, shed, or hip roof, but since it’s a single-story building—just one level—I wondered if a bungalow-style roof would be suitable, although that tends to be more expensive and labor-intensive. Then I thought that if I’m going to invest more time and money anyway, I might as well go for a flat roof.

Well, you need to a) know what you like, and b) it really depends on whether you need 60 sqm (645 sq ft) or 160 sqm (1,722 sq ft) of living space. Create a room layout plan and explore various house designs online or visit new housing developments in your preferred areas.

If you have no strong opinion, ask your partner or hire a building designer and give them free rein 😀

In terms of cost, a slightly overhanging shed roof with as little pitch as possible (2° so it’s basically a flat roof) and only covered with roofing felt is probably the most affordable. However, it also looks quite poor. It has no complex wall-to-roof transitions, just a gutter, and the roof structure consists only of beams raised slightly along the entire length with a board covering. The beams can be short and cut at any angle.