Screeding Membrane – High-Density – Indoor & Outdoor Applications

Product Overview

Our high-density single wound screeding membrane is a polyethylene barrier sheet designed to provide excellent separation and moisture control beneath sand/cement or flowing screeds. Its consistent thickness and flexible composition support clean laying across prepared substrates, reducing drag and preventing moisture migration into adjoining materials. This membrane helps maintain a stable interface between the screed layer and underlying insulation or concrete, ensuring predictable drying and surface integrity. Its tear-resistant structure allows reliable unfolding and positioning during installation, even over irregular substrates. Supplied in a 300mu (1200G) thickness on a 2m × 50m roll, it provides 100m² of membrane coverage.

Features & Benefits

• Moisture control: Resists moisture transfer between substrates and screeded layers.
• Separation barrier: Prevents bonding between screed and insulation or structural slabs where a slip layer is required.
• Durable sheeting: Resists tearing during handling, unfolding, and placement.
• Clean installation: Single wound roll format supports efficient unrolling across large areas.
• Versatile use: Suitable for domestic and light-commercial screeded floors.

Applications

• Floating screeds: Ideal beneath sand/cement or flowing screeds over rigid insulation.
• Bonded or unbonded screeds: Functions as a separation layer to reduce adhesion or moisture interaction.
• Domestic and commercial floors: Fits a wide range of screeded floor constructions.
• Refurbishment projects: Suitable where substrate isolation or moisture moderation is required.

Installation Guidance

• Substrate preparation: Ensure the base surface is clean and free from sharp debris that may puncture the membrane.
• Unrolling method: Roll out carefully over insulation or concrete, maintaining flat contact without creasing.
• Jointing: Overlap edges by the required distance and seal using approved membrane tape.
• Perimeter detailing: Turn up edges at walls to the required height to maintain continuity of the barrier.
• Important note: Avoid puncture damage and ensure continuity across the entire floor area.

• Material: Polyethylene suitable for use as a screeding separation membrane.

FAQs

• Q: Can this membrane be used for both domestic and commercial applications?
  A: Yes, it is suitable for a wide range of screeded floor constructions.
• Q: How should the membrane be stored?
  A: Store in a dry place, protected from sunlight and extreme conditions.
• Q: What precautions should be taken during installation?
  A: Ensure the substrate is clean and free from sharp objects that could puncture the membrane.