Product Details
The realization of archetectonic ideas offers planning freedom. Being a sturdy and reliable material, steel retains its performance characteristics for decades and meets its energy-saving requirements.
Materials / surface
Hot-dip galvanized steel strip, suitable for powder coating or stove enamelling
Window types and opening types
Parallel window - manual and motorized
Features
Concealed fittings
Attached electric drive
Special technical features
Sash weights up to 300 kg
Max. Wing mass (wxh) 4000 mm x 4000 mm
Grid area up to max. 4m 2
Glass thickness from 28 to 58 mm
Mechanical fixation of the glass on the casement - no gluing necessary
In the motorized variant no locking motors are necessary - only chain drive
Version as structural glazing (SG) version or with glazing bead
Installation of double and triple insulating glass
Test Certificate
CE marking according to product standard EN 14351-1
- Heat transfer coefficient from Uf> 1.8 W / m 2 K
- Watertightness class 9A
- Air permeability up to class 4
- Resistance to wind load up to class B / C 4
TRAV in early 2015
49 Google Reviews
An amazing service from Stronghold! The product was outstanding and I am so pleased with the end result...
I do not normally write reviews, however I felt in this instance I had to. I would like to say how happy I am with my new security door and the service I was given from start to finish.
We ordered a new front door with Stronghold, then a full set of windows for our townhouse shortly after...
They say you get what you pay for & this company is a perfect example of exactly that!...
Excellent service. Justas and his installation team were great.
After a violent break-in we decided to strengthen our front door, after getting quotes from Banham...
If you are looking for high quality, you reached the right place!...
Exellent customer service from the moment of asking for a quote up to the end of the job...
The guys did a fantastic job with our new door to our flat! I would highly recommend...
I would highly recommend Stronghold doors if your looking for a top quality secure door.
Ken thank you for leaving a review for us. From first conversation with a client to door installation...
Great service, and awesome product.
I had two Stronghold doors fitted yesterday and I am very happy with the excellent quality...
I contacted Stronghold after having problems with another door company who had taken a long time to respond and progress...
Superb product and superb service. The team at Stronghold are truly committed...
Strong hold security are very professional from the first free visit they attended my property...
What a fantastic, professional company. Very pleased with their work and how helpful they were...
I researched over a dozen suppliers before settling on Stronghold Security Doors....
If you want a Professional Efficient Team who know what they are doing from the beginning...
An excellent service from start to finish with Justas and his guys...
These guys are very helpful, prompt, professional and good value....
Fast ! The new front door took 4 weeks made to my exact specifications...
Responsive and very professional....
Koralis and his team were extremely helpful from start to finish!...
Excellent service from start to finish from these guys. Karolis was very helpful in finding...
Really great service, very competitive and efficient...
Fitted a new door, few issues but hopefully all sorted...
Fast and efficient service! We had an emergency and Stronghold responded...
The entire process was very professional indeed. From measuring up, to quotation...
Great service, great product and by far the best price on the market from these guys...
After a couple of delays the door was very well installed, happy with the door and installation...
Good, professional and good price...
I recently ordered a steel-reinforced security entrance door from Stronghold Security Doors which was fitted a few weeks ago. The team did a really fantastic job at installing the door....