Custom Roof Trusses — Design, Structural Analysis, Delivery | Skymax Living
Roof Trusses · LGSF

Roof Trusses to order within a few days

Precise Design • Structural Analysis • Manufacturing • Delivery to site
  • Precise manufacturing without waste
  • Fast assembly without cutting on-site
  • Complete load-bearing roof structure ready for covering
Upload your project and get a design → How It Works
Interactive 3D — rotate the model
A1
non-combustible (reaction to fire)
±1 mm
CNC manufacturing precision
600 mm
truss spacing
50+ years
maintenance-free lifespan
How It Works

From inquiry to finished roof — a clear process

Just provide us with the documentation. We will price it within 2 working days and after approval we deliver within 1–2 weeks.

1

Submit your inquiry

Project, dimensions or documentation — PDF, DWG, photo of floor plan.

2

We price it

within 2 working days

Indicative price offer based on documentation.

3

You approve the solution

Room for adjustments and optimization of price and structural analysis.

4

We manufacture and deliver

1–2 weeks

Delivery 1–2 weeks after documentation approval.

Two options

Standardized or custom?

For smaller buildings, choose standardized trusses in stock. For family houses, developer projects, and atypical designs, we design trusses precisely custom-made — with everything included.

In stock

Standardized trusses

Standard verified variants (gable 25°/35°, shed 10°/15°, spans 3.0 and 4.25 m). Ideal for garden buildings, shelters, garages, and smaller projects.

  • Ready-made, verified standard variants
  • Quick availability — in stock at PRO-DOMA
  • Suitable for smaller projects
Available at PRO-DOMA →
Custom-made

Custom roof trusses

Design, structural analysis, manufacturing, and delivery with everything included — for family houses, developer projects, renovations, and atypical shapes and spans.

  • Design and structural analysis precisely according to the project
  • Quotation within 2 working days
  • Implementation 1–2 weeks after approval
Get a custom design →

Trusses are part of the comprehensive LGSF system — they also connect to our standardized wall, roof, and floor panels. View Flexi Panels →

What we deliver custom-made

From trusses to complete roof structure

For custom projects, start with just trusses — or have the complete load-bearing roof structure delivered ready for covering. One supplier, one responsibility.

01

Trusses only

For companies handling the rest of the roof themselves.

  • Custom truss manufacturing
  • Structural design according to Eurocodes
  • Delivery to site
I am interested
Most popular choice
02

Complete roof structure

Load-bearing part ready for covering.

  • Beams + fasteners
  • Complete documentation
  • Assembly support
Get a design
Why steel instead of wood

Better than a traditional wooden truss

Precise construction from Light gauge galvanized steel instead of hand-cut wood.

Parameter
Skymax trusses
Traditional wooden truss
Manufacturing
Precise CNC manufacturing
Hand cutting
Geometry
Precise, repeatable
Risk of warping
Fire reaction
A1 — non-combustible
Combustible
Moisture / insects
Does not rot or warp
Shrinks, risk of rot
Assembly
Fast, screwed
Long, carpentry
Waste
Minimal
High
On site
Ready for assembly
Requires adjustments
Technical Solution

Light Steel Trusses

Prefabricated trusses made from cold-formed thin-walled C profiles (designation 89S-41-115) of S350GD steel with Z275 surface treatment according to ČSN EN 10346. Designed according to Eurocodes, delivered ready for quick bolted assembly.

  • S350GD SteelC Profile 89S-41-115, thickness 1.15 mm · Z275 according to ČSN EN 10346
  • EN 1993-1-3Design + Structural Analysis for Each Type
  • Spacing 600 mmFRAMECAD M6 Bolted Connections
  • Fire Reaction A1No Impregnation, Maintenance-Free
Gable truss — view 1 Gable truss — view 2 Gable truss — view 3 Gable truss — view 4
PitchSpanRidge HeightWeight
25°3.00 m699 mm18.6 kg
25°4.25 m991 mm30.9 kg
35°3.00 m1,050 mm21.9 kg
35°4.25 m1,488 mm37.7 kg

The listed variants are standardized and in stock at PRO-DOMA (structural design according to EN 1993-1-3) — ideal for smaller projects. Other pitches, spans, and custom shapes are manufactured to order.

Project References

Our Roofs in Practice

Family houses with steel roof structures made of LGSF trusses — from skeleton installation to finished roof frame.

Mladecko — complete steel skeleton of a family house Mladecko — gable roof made of LGSF trusses Mladecko — detail of the truss roof structure from inside

Family House — Mladecko

Complete steel structure of walls and pitched roof made of LGSF profiles, custom manufactured and assembled.

Vřesina — crane placing a gable truss on the roof Vřesina — family house with completed steel roof frame Vřesina — detail of steel roof structure made of LGSF trusses

Family House — Vřesina

Installation of prefabricated pitched trusses by crane — fast and precise assembly of the entire roof structure.

Výletní — installation of steel roof structure Excursion — LGSF trusses for a large-span building

Large-span House — Výletní

Steel roof structure of an extensive family house — dry assembly in any weather.

Explore Various Roof Types in 3D

Interactive models of completed structures — click and rotate.

For Companies and Partners

Are you a construction company or roof supplier?

We offer a partnership program with technical support and fast deliveries for contractors, building material suppliers, and designers.

  • Partnership Program and Wholesale Terms
  • Technical Support and Fast Quotations
  • Regular Deliveries and Predictable Deadlines

Become a Partner

Contact us — we will prepare cooperation terms tailored to your order volume.

I Want to Become a Partner
Get a Roof Design

Upload your project — we will prepare a truss design

  1. 1
    Project TypeFamily house, developer, renovation…
  2. 2
    DocumentationPDF, DWG, floor plan photos, statics or just dimensions
  3. 3
    ContactWe will prepare a price offer within 2 working days
Price Offer within 2 Working Days Non-binding and Free of Charge

Inquiry / Request for Design

Fill in the basic information and upload your documentation — we will handle the rest with you.

By submitting, you agree to the processing of personal data. We will prepare a price offer within 2 business days.

FAQ

Frequently Asked Questions

How quickly will I receive the price offer?
After submitting the inquiry, we will prepare a price offer within 2 business days. Upon approval of the documentation, we will carry out the within 1–2 weeks.
Do I need structural analysis?
Structural design is included in the delivery — each type of truss is assessed according to Eurocodes (EN 1993-1-3 and EN 1990).
Are you managing the installation?
We supply the load-bearing steel roof structure — from individual trusses to the entire roof frame. Installation and subsequent roof layers are handled by the customer; we are happy to recommend trusted installation companies we cooperate with.
Do you deliver throughout the Czech Republic? How is transportation handled?
We deliver beams to construction sites throughout the Czech Republic. Specific transportation conditions will be specified in the proposal according to location and volume.
What roofing materials can be used?
The structure is prepared for common types of roofing. Selection and installation of the roofing is the customer's responsibility — we design the structure to be compatible with the chosen assembly.
Do you handle atypical roofs?
Yes. Each truss is custom designed and manufactured according to project documentation, including atypical shapes and spans.
What are the trusses made of?
Thin-walled C profiles (designation 89S-41-115) made of S350GD steel with Z275 surface treatment according to ČSN EN 10346. Fire reaction class A1 (non-combustible), no shrinkage or rot.

Upload your project and get a roof design

Precise design, structural analysis, and price — we will prepare a price offer within 2 business days.

Start roof design →
Custom roof trusses — design, structural analysis, delivery Get design →