illbruck ME007 Fire Rated Membrane


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  • Suitable For: The FR Window & Door Sealing Membrane + (ME007) is a Class B fire-rated, UV-resistant and high-strength polyester membrane designed for airtight and watertight sealing of construction joints around windows, doors, and sheathing boards
  • Area of use: Windows and doors
  • Application Method: Application Overview: The FR Window & Door Sealing Membrane + (ME007) must be applied in line with illbruck’s best practice, specification guidelines, and method statements. For detailed, step-by-step application guidance, refer to the document: “Application of illbruck Membranes Using Paste Adhesive”, available on the Tremco CPG UK website.
  • Type: Membrane
  • Colour: black
  • Brand: illbruck
  • Manufactuer: illbruck
Features & Benefits

 

  • Class B-s2, d0 when bonded with FR Membrane Adhesive (SP025)
  • Permanently UV resistant
  • Easy to apply, fold, and manipulate
  • Water resistant to EN 1928 at a 2 kPa head of water for 24 hours
  • Airtight and can achieve Passiv Haus standards.
  • High range of in-service temperature resistance
  • Environmentally friendly EC1+
  • Non branded, plain black finish – suitable for visible applications
  • High strength

Fire Rated Window & Door Sealing Membrane + (ME007)

Fire-Rated, UV-Resistant, Airtight & Watertight Sealing Solution for Windows and Doors

Product Overview:
The FR Window & Door Sealing Membrane + (ME007) is a Class B fire-rated, UV-resistant and high-strength polyester membrane designed for airtight and watertight sealing of construction joints around windows, doors, and sheathing boards. Ideal for use in fire-safe façade systems, it delivers long-term protection while allowing breathability to manage condensation and trapped moisture.

Key Features:

  • Fire-Rated for High-Risk Buildings:
    Meets fire safety requirements under Approved Document B for “relevant and higher risk” buildings. Delivers Class B fire performance when installed over Class A2-s1, d0 substrates (EN 13501-1 compliant).

  • Superior Weather Protection:
    Achieves Class W1 water resistance under EN 13859-2. Remains watertight for over 24 hours when tested to EN 1928 with 2 kPa water pressure.

  • UV Resistant & Durable:
    Constructed from UV-stable polyester for long-lasting performance in exposed external conditions.

  • Airtight & Breathable:
    Creates an airtight seal while allowing internal moisture to escape, helping prevent mold and damage.

  • Versatile Installation:
    Suitable for sealing horizontal and vertical joints between sheathing boards and structural openings in façade systems. Available in 50 m rolls with slit widths ranging from 60 mm to 400 mm.

Recommended Application:
Use with illbruck FR Membrane Adhesive (SP025) for optimal bonding to frames and substrates. Can be combined with illbruck FR Breather Membrane to form a continuous, fire-rated weather barrier around the entire building envelope.

Installation Note:
Always install with the smooth, coated side facing outward toward the external environment.

Ideal For:

  • High-rise and high-risk building façades

  • Window and door perimeter sealing

  • Linear joints in external sheathing

  • Airtight and watertight building envelopes

 

For all other Illbruck products on our website, please click here. For application guns for this item, please click here.

For anything more you may need on Illbruck products, please visit their website here.

Sealing Around Windows and Doors

  • Apply the membrane to all four sides of the glazed frame in this order:

    • Start with the sill

    • Then the jambs (vertical sides)

    • Finish with the head (top)

  • Ensure membrane overlaps are at least 100 mm, positioned downwards to prevent water ingress and maintain weather tightness

How to Install FR Window & Door Sealing Membrane + (ME007)

Fire-Rated, Airtight and UV-Resistant Membrane Installation Guide

Application Overview:
The FR Window & Door Sealing Membrane + (ME007) must be applied in line with illbruck’s best practice, specification guidelines, and method statements. For detailed, step-by-step application guidance, refer to the document:
“Application of illbruck Membranes Using Paste Adhesive”, available on the Tremco CPG UK website.

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Elementlength
up to
1,5 m
up to
2,5 m
up to
3,5 m
up to
4,5 m
up to
2,5 m
up to
3,5 m
up to
4,5 m
Type of window frame material Minimum witdth of joints
for a butled mounting b in mm
Minimum witdth of joints
for a inner mounting b in mm
Hard PVC (white) 10 15 20 25 10 10 15
Hard PVC and PMMA (dark)
(colour extruded)
15 20 25 30 10 15 20
Hard PUR integral foam 10 10 15 20 10 10 15
Wood-aluminium-window 10 10 15 20 10 10 15
Aluminium-plastic sandwich
frame (bright)
10 10 15 20 10 10 15
Aluminium-plastic sandwich
frame (dark)
10 15 20 25 10 10 15
Wooden window frame 10 10 10 10 10 10 10

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