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Steel Style

SlimLine 38

SlimLine 38 offers a timeless "steel look" that is both slender yet sturdy, maximising natural sunlight with slim sightlines — fabricated and installed in-house.

SlimLine 38 steel-look aluminium entrance door
Specification

SlimLine 38 door at a glance

1.0
W/M²K · Ud VALUE
45dB
SOUND REDUCTION
3000mm
MAX VENT HEIGHT
PAS 24
SECURITY RATING
Key features

Steel-look design, premium performance

01

Slender steel-look design

Ultra-slim sightlines from 72.5mm create authentic steel-frame aesthetics — ideal for new-builds and renovations where the original steel-frame character matters.

02

Outstanding thermal performance

Ud values of 1.0 W/m²K with frame U-values of 1.8 W/m²K. Compatible with double and triple glazing without compromising the slim profile.

03

Superior acoustic protection

Sound reduction up to 45dB — ideal for urban locations and properties near busy roads requiring enhanced privacy.

04

Enhanced security & safety

RC2 and PAS 31 certified burglar resistance with an EW 37 fire rating. Concealed hinges, multi-point locking and flush threshold options available.

Design options

Multiple design variants

Choose from Classic, Ferro and Ultraslim variants to match your architectural style and performance requirements.

0.97 Ud W/m²K

Classic

Elegant inclined surface design that softens the profile with gentle angles — refined aesthetics for traditional and contemporary settings.

  • Uf 1.6 W/m²K
  • 99mm frame depth
  • 91.5mm sightline
0.97 Ud W/m²K

Ferro

Sharp, straight lines with distinctive shadow gaps for authentic industrial aesthetics — ideal for loft conversions and warehouse renovations.

  • Uf 1.6 W/m²K
  • 99mm frame depth
  • 91.5mm sightline
1.0 Ud W/m²K

Ultraslim

The most refined option with unrivalled slimness — maximum glass area for light-filled, open spaces with minimal frame intrusion.

  • Uf 1.8 W/m²K
  • 99mm frame depth
  • 72.5mm sightline
Technical details

Precision engineering

Every specification refined to deliver optimal performance, versatility and architectural flexibility.

99mm
FRAME DEPTH
160kg
MAX VENT WEIGHT
Class 4
AIR TIGHTNESS · 600PA
8A
WATER TIGHTNESS · 450PA
Class C3
WIND LOAD · 1200PA
300kg
MAX GLASS WEIGHT
Certified performance

SlimLine 38 door — technical performance data

Independently tested and certified to exceed UK Building Regulations and industry standards.

Performance metricRating / valueStandard
Thermal insulation (Uf)1.8 W/m²KFrame U-value
Thermal insulation (Ud)1.0 W/m²KDoor U-value
Air tightnessClass 4 (600Pa)BS EN 12207
Water tightnessClass 8A (450Pa)BS EN 12208
Wind load resistanceClass C3 (1200Pa)BS EN 12210
Acoustic performanceRw(C;Ctr) 45(-1;-5) dBBS EN ISO 717-1
Opening & closingClass 6BS EN 13115
Max vent height3000mmMaximum height capability
Max vent width1400mmMaximum width capability
Max vent weight160kgLoad capacity
Max glass weight300kgGlazing capacity
Burglar resistanceRC2, PAS 31Enhanced security
Fire resistanceEW 37BS EN 1634
Min. frame-vent width (inward)72.5mmMinimal sightline
Min. frame-vent width (outward)86mmOutward-opening profile
Threshold height0mm (flush option)Accessibility compliant
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  • Traditional design
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  • Ud 0.8 W/m²K
  • RC2/RC3/PAS31 security
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Ready to explore SlimLine 38 for your home?

Speak to our team for a free, no-obligation quote — Romsey, Southampton, Winchester & across Hampshire.

Call 01794 721 100