Optimal aluminum doors
Are you interested?
Optimal doors are a premium aluminium solution for entrances where stability, safety and longevity are key. Robust construction with a depth of 77/86 mm allows the use of fillings up to 70 mm, which ensures excellent thermal and acoustic parameters and meets the requirements of energy-intensive houses.
The high rigidity of the profiles allows the production of large-format and security doors up to class RC3. Optimal supports hidden hinges, modern multi-point fittings and automatic self-locking locks, so that the entrance looks clean, elegant and provides a high level of comfort during everyday use. It is a solution for homes and projects where quality, design and performance are expected without compromise.
Frame depth 77 mm
Wing depth 77 mm
Glazing thickness fix/sash: 8.5 — 61 mm
Maximum wing dimension W. up to 1400 mm, v. up to 3000 mm
Maximum wing weight 200 kg
Air permeability class 4, EN 12207
Waterproof 1350 Pa, EN 12208
Wind load class C5/B5, EN 12210
Thermal insulation of UD frame from 0.79 W/ (m2K)
Burglary resistance up to RC4
Acoustics up to 42 dB
Shades of gray
Wooden decking
Colours ARTEVO
colours
Aluminum
Product inquiry
Non-binding request within 5 minutes
Enter the basic parameters and get an approximate calculation. Quickly, clearly and without commitment.
Ozveme se do 24 hodin
Bez závazku
Osobní přístup
Frequently Asked Questions
SULKO offre:
- wide range of RAL colours for aluminium
- decor film for plastic windows (wood, modern shades of gray, anthracite)
- different types of glazing (safety, insulating, noise-proof)
- handles, handrails, window sills, nets, shading technology
We will recommend solutions according to the type of construction and architectural style.
Stačí nás kontaktovat — technické oddělení vám poskytne:
- doporučení typu profilu
- informace o statice
- vhodnost pro pasivní a nízkoenergetické domy
- detaily k montážním postupům
- možnosti atypů
SULKO products are offered in several material solutions:
Plastic (PVC)
- high thermal insulation
- simple maintenance
- excellent performance/price ratio
- long service life without the need for coatings
Aluminum (ALU)
- maximum strength and stability
- possibility of large glazed areas
- premium look
- minimal maintenance
Composite (ARTEVO)
- appearance of aluminum at a more affordable price
- superior strength and rigidity
- High-end insulation
- maintenance-free material of the next generation
Each material has its advantages and we will be happy to recommend a solution suitable for a specific project.
Yes, a non-binding quote is standard. After filling in the form, the dealer will contact you, discuss the specification with you, recommend a suitable solution and prepare an accurate calculation — including the approximate price of the assembly.
The process is simple and fully framed by care:
- Submit a request or call.
- You will be contacted by an expert technician or trader.
- We will conduct a survey and recommend the appropriate solution.
- We will prepare a quotation with exact parameters.
- After approval, we will start production in Zabra.
- We schedule the assembly with our certified team.
From the first consultation to installation, you always have One contact person.
You can verify the correct operation by simply:
- the window goes smoothly open and close
- when closed, the sash presses evenly
- you do not feel drafts
- glass does not corrode from the inside with proper ventilation
- downforce can be adjusted at any time
Part of our services is the possibility to order professional tightness check Even after years of operation.
Do you have other questions?
Feel free to contact us for more information.
Visit our showrooms
Get to know our products live and get advice from experienced specialists. In SULKO showrooms you can try different types of windows, doors and accessories and get recommendations for your project.