U_W- value 1.1

WDS Door 76 threshold thermal insulation

WDS Door 76 — Impenetrable fortress with refined design. This is the most powerful and warmest entry system in WDS range. It's created for those unwilling to compromise between steel door security and PVC door thermal insulation.

Why it's the best choice for a private home (Chalet):

Wall-level energy efficiency: Thanks to 76 mm width and 5 chambers, the door has Ud = 1.1 W/m²K heat transfer coefficient. It's warmer than 90% of entry doors installed in Spain.
RC2/RC3 Security: Powerful closed reinforcement (2 mm) and compatibility with anti-burglar hardware (Winkhaus/Roto) allow the door to withstand forced entry attempts.
Design: Sash is designed for thick designer panels (up to 48 mm) that can imitate wood, concrete, or have stainless steel inserts.

An investment in your family's peace and your home's status.

Technical Specifications

Details

Flagship entry door. Maximum burglary and cold protection for country homes.

Energy rating

A+

Purpose

Premium cottage

Installation depth

76 mm

Profile chambers

5 chambers

Infill thickness

up to 48 mm

Threshold type

Termo-Umbral

Security

Class RC2 / RC3

Thermal protection

Uw ≤ 1.1 W/(m²·K)

Sound insulation

≈ 42 Rw(dB)

System Design Parameters:

Installation depth: 76 mm (increased base for maximum stability).
Profile construction: 5 chambers in frame and sash (optimized for thermal insulation).
Sealing system: Possibility of installing middle sealing circuit (MD), turning the door into a reliable barrier against drafts and moisture.
Reinforcement: Special closed steel frame of increased cross-section (2.0 mm thickness), ensuring structural stability even at extreme temperatures.
Threshold: Low aluminum threshold with thermal insert (thermal break), eliminating "cold bridge" and freezing in the lower part of the opening.
Static: Increased sash profile width allows manufacturing massive doors for high-traffic transit zones.

Glazing and Filling Options:

Maximum filling thickness: up to 48 mm.
Filling types: Extra-thick double-chamber energy-saving glass units, armored glass (triplex) or designer HPL panels with high thermal insulation values.

Maximum Sash Dimensions:

Maximum sash width: up to 1100 mm (single-leaf) / up to 1900 mm (double-leaf with mullion).
Maximum sash height: up to 2400 mm.
Sash weight: up to 140-160 kg (thanks to reinforced hinges and profile depth).

Certified Characteristics:

Thermal resistance coefficient (Ro): up to 0.95–1.0 m²°C/W (depends on filling and middle sealing presence).
Sound insulation (Rw): up to 40-42 dB.
Burglar resistance: Compatibility with RC2 class hardware and possibility of installing anti-burglar locks with 5 pressure points.
Air permeability: Class 4 (highest airtightness level).

Documentation

WDS 76 MD/AD Technical Catalog

PDF. 0.9Mb

WDS Full Technical Catalog

PDF. 6.3Mb

WDS Door 76

Flagship entry door. Maximum burglary and cold protection for country homes.

Average market price:

For a standard entrance door (900 × 2100 mm) with a mid-range filling panel.

Comfort Index

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Side by side

Head to Head: Closest Competitors

How WDS Door 76 stacks up against the closest matches from other brands.

Specification	WDS Door 76This profile	Kömmerling AluClip Puerta	Veka Softline 82 Door	Rehau Brillant-Design 70 Door
Brand	WDS	Kömmerling	VEKA	REHAU
Material	PVC	PVC	PVC	PVC
Profile depth	—	83.5 mm	82 mm	70mm
Chambers	5 chambers	5 chambers	7 chambers	5 chambers
Glass unit, max	up to 48 mm	up to 50 mm	Panel / up to 52mm	up to 42mm
Thermal (Uw)	1.1	≤ 1.1	1.1	1.2
Sound (Rw, dB)	≈ 42 Rw(dB)	≈ 44 Rw(dB)	≈ 44 Rw(dB)	≈ 42 Rw(dB)

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FAQs

Frequently Asked Questions about WDS Door 76

Is this door better than a metal (armored) one?

For thermal insulation — yes, many times better. Metal freezes, but 76 mm PVC doesn't. For security: with RC2 hardware, our door provides protection sufficient for private homes (where burglars more often go through windows than break main doors).

What's the maximum sash size?

Thanks to powerful reinforcement, we can manufacture single-sash doors up to 1150 x 2350 mm. For wider openings, we offer double-sash options or fixed side panels (fijos).

Can the door be made in color?

Yes, over 40 lamination colors are available. "Wood" textures or matte aluminum are especially popular, making the door indistinguishable from expensive wooden alternatives.

What hinges do you install?

We use only reinforced door hinges (Dr.Hahn or equivalents), each rated for up to 140 kg load. Usually 3 hinges are installed per sash for maximum reliability.