New: Terraconfort - Owens Corning FOAMGLAS and Triflex combine their expertise to offer a complete insulation and waterproofing solution for accessible terraces

By Primavera - PR Agency Published on Tuesday, November 18, 2025 at 12:23

Photo credits : FOAMGLAS

Summary for decision-makers

Terraconfort: a durable waterproofing solution for accessible terraces

Terraconfort, developed by Owens Corning FOAMGLAS and Triflex, is an innovative system combining cellular glass thermal insulation with an integrated slope and a liquid waterproofing membrane, allowing direct traffic. Suitable for new construction and renovations, it simplifies maintenance and reduces operating costs. Certified for its fire and wind resistance, Terraconfort guarantees durability, mechanical strength, and energy efficiency for the optimal protection and maintenance of pedestrian-accessible terraces.

Summary

Terraconfort: a sustainable solution that simplifies access to and maintenance of accessible terraces
Terraconfort: multiple advantages
A certified and proven solution

Enjoy your reading!

Terraces accessible to pedestrians are subject to recurring constraints: risks of infiltration, water stagnation, complexity of maintenance and upkeep operations… While waterproofing and optimal rainwater drainage are major issues, insulation also plays an essential role in the overall performance and durability of the structure.

Terraconfort: a sustainable solution that simplifies access to and maintenance of accessible terraces

To address these challenges, Owens Corning FOAMGLAS and Triflex have combined their expertise to develop a comprehensive and sustainable solution: Terraconfort. This innovative concept combines FOAMGLAS® thermal insulation with an integrated slope and a Triflex liquid waterproofing system, applied cold and directly walkable.

Suitable for new construction and renovation projects, Terraconfort provides an optimal response to the expectations of project owners, architects and design offices in terms of reliability, performance over time and ease of maintenance.

Regular use of pedestrian-accessible terraces can cause various problems, with direct consequences for building owners and managers. Premature aging, faulty waterproofing, or a lack of maintenance can lead to significant and costly repairs.

The result of a collaboration between Owens Corning FOAMGLAS and Triflex, Terraconfort is an innovative and reliable technical solution designed to improve the durability and performance of accessible terraces.

The system leverages the expertise of two industry leaders to offer a comprehensive and sustainable solution:

FOAMGLAS® T3+ cellular glass thermal insulation, with integrated slope in the insulation layer (1,5%*),
A Triflex liquid sealing system (LSS) High-performance BTS-P,
A cold application, directly circulable.

Terraconfort guarantees simplified maintenance and contributes to reducing long-term operating costs.

Terraconfort: multiple advantages

The Terraconfort system is suitable for both new constructions and renovation projects carried out on load-bearing masonry elements.

Composed of FOAMGLAS® T3+ panels, the FOAMGLAS® TAPERED sloped insulation systemApplied cold, this product addresses two essential aspects of a construction or renovation project for an accessible terrace: thermal insulation and water drainage towards the rainwater outlets. The integrated slope within the insulation layer (1,5%*) ensures optimal rainwater runoff. Its high compressive strength also prevents any deformation.

The Triflex reinforced liquid waterproofing system (LWS), applied cold, is directly accessible after installation and easily repaired if necessary. Available in a wide range of finishes and RAL colors, it adapts to all aesthetic requirements. Cleaning and maintenance are simple.
Other slope percentages are available upon request.

A certified and proven solution

In addition to an ETN validated by a Control Office, Terraconfort has undergone wind and fire resistance tests, carried out by the Scientific and Technical Center for Building (CSTB). The system has excellent resistance to fire propagation, certified B ROOF (t3), as well as wind resistance validated up to 6,000 kPa (CSTB report no. RA24-0215).

A closer look at the Terraconfort system

Load-bearing element in masonry
Cold impregnation coating (EIF)
Vapor
FOAMGLAS® TAPERED T3+ 1,5% slope, bonded with Millennium One Step Foamable Adhesive®
Wood-cement panel, bonded to the insulation with Millennium One Step Foamable Adhesive®
Triflex Cryl Primer 276
Sealing the joints between the panels with Triflex Cryl Spachtel
Installation of Triflex ProTerra reinforced waterproofing with Triflex Reinforcement Veil
Wear layer: Triflex ProFloor
Application of the topcoat: Triflex Cryl Finish 205

Properties of FOAMGLAS® insulation

FOAMGLAS® TAPERED system, cold applied
High compressive strength: withstands up to 1600 kPa without deformation
Non-combustible (M0)
Waterproof and steamproof
Sustainable energy efficiency, guaranteeing the maintenance of thermal performance over time
Resistance to acids and chemicals
Protection against pests and radon

Properties of the Triflex BTS-P system

Liquid sealing system, applied cold
Suitable for renovation
Directly walkable, without the need for paving slabs on pedestals.
Fast drying, allowing for reduced closure time of treated areas
Dynamic and static crack bridging
Resistance to UV rays, roots, rhizomes, and hail
Easy maintenance: repairable and simple to clean system
No recovery delays, offering simplified project phasing
Renewal possible without removal

Frequently Asked Questions

What is the Terraconfort system?

Terraconfort is a sustainable accessible terrace solution, combining FOAMGLAS® thermal insulation with integrated slope and a Triflex liquid waterproofing system that can be walked on directly, suitable for new construction and renovation projects.

What are the main advantages of the Terraconfort system?

Terraconfort offers excellent mechanical resistance, durable waterproofing, simplified maintenance and good management of rainwater runoff thanks to the slope integrated into the insulation.

Is the Terraconfort system certified?

Yes, it has an ETN validated by a Control and Certification Bureau for fire resistance (B ROOF t3) and wind resistance up to 6,000 kPa according to the CSTB.