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DAFA TriFlex Airtight Grommet 115 | Passive House Cable & Pipe Sealing

by DAFA
Original price £7.58 - Original price £7.58
Original price
£7.58
£7.58 - £7.58
Current price £7.58

DAFA TriFlex Airtight Grommet 115 | Passive House Cable & Pipe Sealing

Product Overview

The DAFA TriFlex Airtight Grommet 115 is the tradesman’s favourite for airtight sealing of cable and pipe penetrations. Ideal for energy-efficient construction and passive houses, this grommet ensures the building envelope remains intact and compliant with UK building regulations for energy performance.

Features

  • Universal: Fits multiple cable and pipe diameters.
  • Airtight: Stops air leaks, reduces heat loss, improves energy efficiency.
  • Pre-termination: Fits before cables or pipes are terminated, ideal for new build projects.
  • Durable: Made from rubber to withstand moisture, UV, and temperature variations.
  • Compliance: Meets UK airtightness regulations for sustainable and energy-efficient buildings.

Uses

  • New build residential and commercial projects.
  • Retrofit projects requiring airtight sealing for unconnected cable and pipe installations.
  • Passive house and energy efficiency projects.
  • Application on walls, roofs, and floors for airtight performance.

Size and Specifications

Size: 115mm Ø

Pre-Punched Marking Diameter Fits Cable/Pipe Sizes
Ø3 mm Ø7 mm to Ø10 mm cables
Ø7 mm Ø10 mm to Ø22 mm cables
Ø18 mm Ø22 mm to Ø35 mm flex pipes


Save Energy

Proper sealing during installation is key to an airtight layer and no air leaks. The DAFA TriFlex Airtight Grommet 115 performs well on various substrates, including concrete, timber, and membranes, offering excellent adhesion and moisture resistance. This solution enhances insulation, reduces heating costs, and ensures long-term sustainability for your project.

Installation

Ensure the surface is dry and stable before mounting the wind barrier and grommet. Mount the grommet directly onto exterior surfaces or other substrates like concrete or membranes for a secure and airtight finish. The self-adhesive design makes installation tool-free and suitable for professional and DIY use.

Buy DAFA TriFlex Airtight Grommet 115

Get the most out of your energy-efficient building with DAFA TriFlex Airtight Grommet 115. Add to cart now to start sealing your building envelope today. Delivery within 10-12 days from our factory in Denmark.

© 2025 Cable Glands UK. All rights reserved.

Sizing - 115mm Ø 

Pre-Punched Marking Diameter Fits Cable/Pipe Sizes
1 Ø3 mm Fits Ø7 mm to Ø10 mm cables
2 Ø7 mm Fits Ø10 mm to Ø22 mm cables
3 Ø18 mm Fits Ø22 mm to Ø35 mm cables/flex pipes


Enhance Your Energy Savings

By ensuring truly airtight cable sealing during the initial installation, the DAFA Universal Cable Grommet 115mm not only meets regulatory requirements but also boosts the energy performance of the entire building. Professionals across the UK choose DAFA for reliable, proven results that contribute to a reduced carbon footprint and a healthier indoor environment.

 

Technical Specifications – Adhesive

Property Value
Thickness Paper + adhesive: 320 μ
Flat Weight Adhesive: 250 g/m² (approx.)
Peel Value AFERA 5001: 35 N/25 mm (approx.)
Temperature Resistance -30°C to +100°C
Liner Siliconized 90 g/m²
Adhesive Approved for bonding of vapour barrier foil per DS/EN 13984; Acrylic
Installation Surfaces must be dry, dust-free & oil-free. Recommended installation temperature from +5°C

Technical Specifications – EPDM Membrane

Property Value
Hardness EPDM membrane: 67' Shore A
Tensile Strength EN 12311-2: 9.4 MPa
Tearing Strength EN 12310-2: 55 KN/m
Elongation Upon Failure Unhardened: 430%
Temperature Resistance -40°C to +100°C
Sd Value EN 1931: 60 m (Z-value = 303)

Installation Guidance

Mounting: Before fitting the DAFA Universal Cable Grommet 115, ensure a stable base is in place to mount the wind barrier and grommet securely. This surface may be formwork or 15 mm plywood. The conduit should be firmly attached to the structure.

Installation: Affix the grommet directly onto the wind barrier. Its self-adhesive design removes the need for additional sealants, glue, caulking, or tape. This straightforward process simplifies installation, ensuring a fast and effective airtight seal.

Order Your DAFA Universal Cable Grommet 115 Today

Take the first step towards superior airtight construction. Order the DAFA Universal Cable Grommet 115 now to ensure compliant, energy-efficient installations from the outset and enhance the long-term performance of your building.

Installation Video

Datasheet

Documentation & Support

For full technical details, please download the DAFA Universal Cable Grommet 115 datasheet below:

Download Datasheet

Delivery / Leadtime

Delivery is around 10 to 12 days from ordering, delivered direct from our factory in Denmark