Profiled Roof Overlay System

When to specify...

An overlay solution for an existing profiled sheet metal roof where the building requires thermal upgrade without incurring the high cost of re-cladding. Designed for refurbishment projects.  The system with Thermofol PVC membrane achieved European Class Broof(t4) for fire performance.

NBS and BIM specificationsSystem summariesSystem summaries

1 Single ply membrane Thermofol or Thermoplan Thermofol
PVC single ply waterproofing membrane used to seal the insulation.

FPO single ply waterproofing membrane used to seal the insulation.
2 GV120 when Thermofol PVC membrane is specified Glass separation fleece used only when Thermofol PVC membrane is specified.
Profiled EPS insulation Expanded polystyrene insulation cut and shaped to match the profile of the sheet metal roof.
4 Existing Profile Existing Profiled Metal Roof

Key features

•  Overlay system for upgrading thermal properties of an existing profiled sheet
   metal roof

•  Lightweight system utilising single ply membrane to seal the roof
•  The system will bring the construction up to current building
   regulation requirements

•  Bespoke measuring and sample fitting service


•  Cost effective compared to replacement cladding
•  Different thicknesses delivery to U-value required by the project
•  Lightweight solution without need for additional structural support
•  No interruption to the building
•  Single source supply of all components

Approvals, certification and guarantee

•  Comprehensive range of guarantees for this system
•  Single ply membranes hold BBA certification, Thermofol PVC 06/4354 and
   Thermoplan FPO 04/4120
•  System with Thermofol PVC membrane tested to TS 1187 and ENV 1187 2002 (T4) Fire Test achieving classification BROOF(t4). Fire rating explained ► 

Environmental credentials

•  System contains post-consumer recycled content
•  Bauder insulation is CFC and HCFC free with zero ODP
•  Global Warming Potential (GWP) < 5 Kg CO2 Eq./Kg
•  BRE Green Guide Generic A+ Rating for insulation

Installation and maintenance

The quality and experience of the installing operative is paramount to ensuring a successful project. Bauder Approved Contractors are the only people fully trained and certified to install our products. They provide the necessary experience that our exceptional guarantee demands.

Go to approved contractor information ►
Go to maintenance advice ►

Worthy of note

The Bauder single ply membranes used to waterproof the system hold BBA Certification.

Thermofol BBA ►
Thermoplan BBA ►

Technical downloads

System summary ►
System maintenance advice ►