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Builders Film, is a durable, flexible black plastic material commonly used in the construction and building industries. It is typically made from polyethylene, a type of plastic that provides a high degree of strength, moisture resistance, and durability, meeting all regulatory requirements.

Available by the metre or a 2m x 50m roll

Uses of Builders Film

Damp Proofing

• Builders film is often used as a damp proof membrane (DPM) in construction projects. It acts as a barrier to prevent moisture from rising through floors, walls, or other surfaces. This helps to protect buildings from issues like dampness, mold, and wood rot. Examples:

1. Under concrete slabs: Builders film is placed under concrete floors to prevent moisture from seeping up from the ground.
2. Wall protection: It is applied to walls during construction to prevent water ingress from the external environment.

Weatherproofing and Temporary Enclosures

• Builders film can be used to create temporary weatherproof enclosures around construction sites, especially in areas where the weather conditions can affect work progress. It provides a temporary, waterproof barrier to protect workers and materials from rain, wind, or snow. Examples:

1. Temporary coverings: Builders film is used to protect building materials and unfinished structures during construction from harsh weather.
2. Wind and rain barriers: It is often draped over scaffolding or frames to create a barrier that protects workers and materials from the elements.

Greenhouse or Horticultural Uses 

• In agriculture and gardening, builders film is sometimes used to create a greenhouse or grow tunnel. Its ability to retain heat and moisture while still allowing sunlight to pass through makes it ideal for creating controlled environments for plant growth. Examples:

1. Greenhouse covering: Builders film is often used as a cost-effective material for covering garden greenhouses or growing tunnels.
2. Plant protection: It helps protect plants from frost, heavy rains, and pests, providing an optimal growing environment.

How to Use Builders Film

Clean and Level the Surface

Ensure that the surface where the builders film will be applied is clean and free from sharp objects that could puncture the film. For use under concrete, the ground should be leveled and compacted.

Measure the Area

Measure the area where you need to apply the builders film, whether under concrete slabs, in walls, or on the ground. Cut the builders film to the required size, ensuring it overlaps with adjacent areas if needed (e.g., 90mm-120mm  for underfloor use).

Lay the Film

Lay the builders film across the designated surface. For moisture and vapor barriers, ensure the shiny side faces down, and the film is spread smoothly with no wrinkles or gaps.

Overlap Edges

When applying the film across large areas (e.g., floors, walls), overlap the edges of the film by several inches to ensure a continuous barrier. Tape the seams with specialized adhesive tape to prevent moisture from seeping through.

Secure the Film

If necessary, secure the edges of the film by tacking it down with stakes or weight, particularly in outdoor or landscaping applications.

Cover with Other Materials

Once the builders film is in place, you can proceed with the construction or landscaping process (e.g., laying the concrete slab, installing flooring, or applying mulch). The film will remain as a protective barrier underneath.

Benefits of Builders Film

Waterproof and Moisture Resistant -  Provides an effective barrier against moisture, making it ideal for damp proofing, vapor barriers, and weatherproofing.

Durable and Protective - Helps protect surfaces from damage during construction, renovation, or transportation of materials.

Versatile - Can be used in a variety of applications, including flooring protection, dust control, greenhouse covers, and temporary enclosures.

Easy to Handle - Lightweight and easy to cut to size, making it simple to apply to different surfaces or areas.

Cost-Effective - An affordable solution for a wide range of construction and building needs.

This text is designed to provide basic information, ideas and tips to support your project, it is not professional advice.