What U-value does the Prido steel door have?

The Prido steel door has a U-value of 1.98 W/(m²K), calculated in accordance with EN 10077-2. The door is approximately 40% better insulated than steel frame construction doors, thanks to 50 mm polyurethane insulation and the aluminium frame with a thermal break. The air permeability class is 4 in accordance with EN 12207.

What U-value does the Prido steel door have?2026-05-07T12:04:54+01:00

Which steel door offers the best insulation in its class?

The Prido steel door has a U-value of 1.98 W/(m²K) thanks to 50 mm polyurethane insulation and an aluminum frame with a thermal break. This is approximately 40% better than doors with traditional steel frame construction. With RC2-rated burglary protection, a 7-year warranty, and air tightness class 4, high performance is combined with a long [...]

Which steel door offers the best insulation in its class?2026-05-07T12:04:53+01:00

What burglary protection does a Prido steel door provide?

Prido steel doors are burglary-resistant classified as RC2 in accordance with EN 1627, with rear-edge protection as standard. The classification applies provided that the door is fitted with an ASSA D12 round cylinder. RC2 means protection against burglary attempts using simple tools and is the most common requirement for industrial and storage doors.

What burglary protection does a Prido steel door provide?2026-05-07T12:04:52+01:00

What is a framed steel door?

A framed steel door is an industrial exterior door consisting of a hot-dip galvanized steel sheet door leaf in an aluminum frame with a thermal break. The Prido steel door is based on the same sandwich construction as Sweden's best-selling folding door, offering a high-quality finish, low maintenance, and RC2-rated burglar protection.

What is a framed steel door?2026-05-07T11:44:47+01:00

What lock does the steel door have?

As standard, the Prido steel door features a Dorma 919-50 lock case and an adjustable Dorma 9009 strike plate. A Habo Atlanta handle and three ASSA 3220 type hinges are included. An electric strike plate Step 40 with an ASSA 222 lock is available as an option, as are other locks at an additional cost.

What lock does the steel door have?2026-05-07T11:44:43+01:00

How is a steel door mounted in a frame?

Prido steel doors feature 8 adjustable frame sleeves integrated into the aluminum frame and are supplied with self-drilling frame screws suitable for both steel and wood. The C-frame is designed for tunnel mounting within the opening. Installation is quick and simple, requiring no specialist expertise.

How is a steel door mounted in a frame?2026-05-07T11:44:43+01:00

What warranty do Prido steel doors come with?

Prido provides a 7-year warranty on its steel doors with frames. The insulated glass panes come with a 7-year warranty against condensation between the glass layers. The door is CE-marked in accordance with the Construction Products Regulation, EN14351-1.

What warranty do Prido steel doors come with?2026-05-07T11:44:40+01:00

What type of threshold does the Prido steel door have?

The Prido steel door features a heavy-duty threshold made of Magnelis-coated sheet steel. Magnelis is a zinc-magnesium-aluminum coating providing significantly better corrosion protection than standard hot-dip galvanization, which is essential as the threshold is exposed to precipitation, road salt, and wear.

What type of threshold does the Prido steel door have?2026-05-07T11:44:39+01:00

Can the steel door have windows?

Yes, Prido steel doors can be fitted with argon gas-filled D4-12 insulated glass units in six different standard sizes. The standard sill height is approximately 1,070 mm. The window frames are made of natural anodized aluminum profiles with thermal breaks.

Can the steel door have windows?2026-05-07T11:44:38+01:00

What colours is the Prido steel door available in?

The Prido steel door is available in 11 standard colours: silver (RAL 9006), forest green, grey white (RAL 7044), blue (RAL 5009), pencil grey (RAL 7024), white (RAL 9010), red (RAL 3009), anthracite grey (RAL 7016), graphite (RAL 9007), chocolate brown (RAL 8017) and black (RAL 9005). The doors are clad in hot-dip galvanised sheet [...]

What colours is the Prido steel door available in?2026-05-07T11:44:31+01:00
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