Arbo Easy Stick GS EPDM Membrane 1.3mm Thick

Supplied in 20 meter reels, 1 meter wide (that can be slit to size) and can be used for many construction applications including sealing window and door frames, cavity walls and roof gutters. The material is naturally UV-resistant, permanently flexible and resistant to extreme temperature variations. Due to the fiberglass reinforcement layer, the product is made even stronger and can handle movements in the building, with an expected lifespan of 50 years under normal conditions (EN 13967 / EN 13984).

• 1.4kg/m2 in weight
• Storage: ambient +5 degrees to +35 degrees C, dry
• Surface prep: must be clean & free of grease & oil

Typical Applications

• Roofing and façade expansion joints – provides a flexible, durable weather seal
• Window and door perimeter sealing – protects against water and air ingress
• Cladding and curtain wall systems – acts as an air and vapour barrier
• Service penetrations – seals around pipes, ducts, and conduits through walls or roofs
• Roof details – suitable for gutters, parapets, abutments, and edge flashings

Not suitable for: pond liners, flooring, or general-purpose sheeting.

Features & Benefits

• Self-adhesive backing – quick, clean installation without separate adhesive
• Fibreglass reinforced – accommodates building movement and adds strength
• Durable & UV-resistant – designed for long-term weatherproofing
• Flexible application – suitable for roofs, façades, gutters, windows & door frames
• Long lifespan – expected service life of 50+ years
• Clean handling – split release liner for easy peel & apply

Why Choose Arbo® Easy Stick Over Other Options?

• Instant, Clean Application
  No messy sealants — just peel, stick, and press for a professional finish.

• Superior Adhesion
  High-tack butyl compound bonds quickly to most building materials, including metal, timber, masonry, and plastics.

• Weatherproof & Flexible
  Resistant to UV, rain, and temperature changes, maintaining a watertight seal for years.

• Time-Saving
  No curing or drying period required — you can move straight to the next stage of your job.

• Cost-Effective
  Reduces labour time and waste compared with liquid sealants.

• Long-Lasting Performance
  Designed for permanent sealing of laps, joints, glazing bars, and other critical areas.

Arbo® Easy Stick gives you the speed of a tape with the sealing power of a mastic, making it ideal for roofing, cladding, glazing, and general construction work.

Now available with split liner for easy application. The split is positioned 30mm from the edge of the roll. 

Specification Sheet: Download K-Flex ST Spec Sheet (PDF)