One of the questions we are asked most frequently is:

We’re excited to share more details about the installation process of a Triotherm insulated door upstand for a sliding door, recently used in our own retrofit project. Since most sliding doors come with a frame depth exceeding 125mm, you may need to extend the standard Triotherm+ profile by incorporating a structural insulation board upright or even by using two rows of Triotherm+ for optimal results.

Proper positioning of Triotherm Door Upstands is crucial to ensure optimal thermal performance while minimizing disruptions to subsequent trades. Ideally, the upstand should align closely with the top of the door or window frame. The exact placement within the door or window opening will depend on the specific wall construction. In general, the door upstand should be positioned to maintain continuity with the building’s insulation layer for optimal performance. Below, you'll find guidance tailored to the most common wall systems.

In response to frequent questions about the dimensions required for Triotherm door upstands, we have put together the following guidance.

Building materials inevitably have an environmental impact. The important question is therefore not whether a product is completely impact-free, but how well it balances durability, thermal performance, structural performance, resource efficiency and end-of-life options.

We frequently receive questions about the correct waterproofing approach for Triotherm door upstands.

Triotherm door upstands can be configured in a wide range of dimensions to suit different door frames, threshold details and floor build-ups.

Triotherm offers a versatile range of insulated door upstands designed to meet the specific requirements of various building projects. These upstands are essential for providing thermal insulation and structural support.

A door upstand is a vertical section which is is placed at the bottom of a door opening. Its primary function is to provide a structural support for the door without creating heat loss.

Where does Triotherm come from ?

The main advantage for a Triotherm insulated door upstand is, to achieve the optimal energy efficiency and thermal comfort in your building.