NAVIUMVENTANAS
ESENUA
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Steel security doors

Security, insulation and design at your front door. Over 70 models for houses and flats.

78 models

Doors for houses · Proof series

Exterior doors designed for houses: they withstand humidity, sudden temperature changes and knocks, with high thermal and sound insulation.

Standard sizes 850×2040 · 880×2040 · 950×2040 mm

Series features
Thermal insulationU = 1,18 W/m²K
Sound insulation39 dB
Manufacturer warranty8 years
Outer sheet0.8 mm galvanised steel with UV-resistant PVC
Frame1.5–1.8 mm cold-rolled steel
CoreMineral wool and extruded polystyrene
ThresholdStainless steel
Popular Straj Allians Allians Popular Straj Eclipse Double Eclipse Double Popular Straj Vienna Vienna Popular Straj Infinity double Infinity double Popular Straj Calypso Calypso Straj Alba Alba Straj Palmyra Palmyra Straj Bianca Bianca Straj Paradise Paradise Straj Modena Modena Straj Bastion Bastion Straj Interval Interval Straj Blade Blade Straj Dallas Dallas Straj S Loft S Loft Straj Primo Primo Straj Invisible Invisible Straj Strada Strada Straj Siena Siena Straj Bristol Bristol Straj Velar Velar Straj Party BS Party BS Straj Valetta Valetta Straj Slim S Slim S Straj Rio S Rio S Straj Synergy Synergy Straj Domino Domino Straj Aurum Aurum Straj Vega Maxi Vega Maxi Straj Vavilon Vavilon Straj Estra double Estra double Straj Rio S Loft + Side Light Rio S Loft + Side Light Straj Rio double Rio double Straj S Loft / Rio x 2 S Loft / Rio x 2 Straj Crystal Crystal Straj Bristol + Side Light Bristol + Side Light

How they look in your home

This is how Straj doors look at a house entrance and inside a flat.

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−5% off your security door

Answer 4 quick questions and get your discount code instantly.

Certified quality

The Straj door factory is certified by TÜV Rheinland to ISO 9001:2015: manufacturing, sale and installation of steel security doors, with warranty and post-warranty service. Tap to see the certificate.

  • ISO 9001:2015
  • TÜV Rheinland
  • DAkkS
ISO 9001:2015 certificate · Straj

Full catalogue

All models, finishes and sizes in PDF.

House doors catalogue (PDF) Flat doors catalogue (PDF)

Reviews

What our clients say

A highly recommended company, attentive at every step. The windows are good quality and better priced than elsewhere. The fitters are very professional.
Andrés Alcaide
My problem was the constant noise outside my window: a bar and a railway line with electric and freight trains. After replacing the windows, the difference is incredible. It is much more comfortable now, no noise. I'm very happy!
Katerina Smitnova
Very good service by phone and WhatsApp from the start, and despite a complicated quote and measurements, everything turned out perfectly. Very experienced installers who don't waste time: they get on with the job and solve any issues very quickly. A very reliable company.
Francisco Ruiz
Very good quality windows and excellent service from the sales rep, always on top of everything. The installation went very well, and they came back to fix some finishing details without any problem. I appreciate how well and how quickly they responded to my needs. I will work with them again next time.
Claudia Ríos
Very professional and great work. You can also contact them with any question and they reply straight away and sort everything out. 100% recommended!
Almu Hernandez

Free quote

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Controller: Navium Ventanas. Purpose: replying to your request and preparing your quote. Rights: access, rectification, erasure and others, as set out in the privacy policy.