Roof structure design and calculation
On the coast a roof mostly fights wind, inland also snow, and it must be properly anchored. We calculate rafters, purlins and joints to Eurocode and draw it so the builder assembles it without guesswork.
What you get
- Rafter, purlin and joint calculation
- Roof framing plan
- Anchor details
- Timber or steel schedule
What we need from you
- Building plan and pitch
- Covering type (tile, sheet, panel)
- Location
Stages and timing
| # | Stages and timing | |
|---|---|---|
| 1 | Analysis and model | 1–2 days |
| 2 | Calculation and drawings | 2–3 days |
Common mistakes and rejection reasons
- Rafters not anchored against uplift
- Purlins too light for tiles
- Wall below not checked
FAQ
How much is a roof design?
For a family house roof usually €200–600.
Do you design repairs?
Yes — inspection, strengthening calculation and replacement drawings.
Is a permit needed to replace a roof?
It depends on whether shape and height change; we check the plan.
Related services
Structural designFoundations, reinforced concrete, retaining walls, roofs — Eurocode calculations and rebar drawings.Renovation and extensionExtra storey, alterations, change of use — with a check of the existing structure.House plansOne- and two-storey houses and lofts — designed around your brief and your plot.
Send us your task
A paper sketch, a photo or a picture from the internet — all fine. We reply within 1 hour on working days.