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Sikaplan® U-15

1.5 mm thick polymeric PVC membrane for mechanically-fastened and ballasted roof waterproofing

Sikaplan® U-15 (thickness 1.5 mm) is a multi-layer synthetic waterproofing membrane designed for roofing applications. Manufactured from polyvinyl chloride (PVC), it incorporates an internal polyester reinforcement and an unwoven glass inlay, in compliance with EN 13956 standards. The product is hot air weldable, formulated for UV exposure and independently assessed for external fire performance. Can be applied in all climatic zones.

  • Dimensionally stable membrane reduces wrinkling and increases ease of application
  • Increased resistance to damage through wind uplift
  • Highly flexible membrane allows for easy application
  • Hot-air welding application avoids fire risk
  • Increased resistance to root penetration  
  • IMPORTANT Requires named reference to an established recycling programme for post-consumer PVC that is easily accessible for > 65 % of customers and that feeds post-consumer recycling material to production of new products. Delete if no such recycling programme is available.Recyclable through [named] recycling program
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Anwendung

Sikaplan® U-15 is used as a waterproofing membrane in the following roofing applications:
  • Mechanically-fastened roofing systems
  • Ballasted roofing systems

Vorteile

  • Dimensionally stable membrane reduces wrinkling and increases ease of application
  • Increased resistance to damage through wind uplift
  • Highly flexible membrane allows for easy application
  • Hot-air welding application avoids fire risk
  • Increased resistance to root penetration  
  • IMPORTANT Requires named reference to an established recycling programme for post-consumer PVC that is easily accessible for > 65 % of customers and that feeds post-consumer recycling material to production of new products. Delete if no such recycling programme is available.Recyclable through [named] recycling program

Verpackung

Roll width

0.77 m, 1.00 m, 1.54 m, 2.00 m

Roll length

20 m

Roll weight

28 kg, 36 kg, 55 kg, 72 kg

Refer to the current price list for available packaging variations.

Farbe

Top layer colour

light grey (~RAL 7047)

Bottom layer colour

dark grey

Produktdetails

Nachhaltigkeit / Zertifizierungen / Zulassungen

UMWELTINFORMATIONEN

  • LEED v2009 MRc 4 Sikaplan® U

  • Contributes towards satisfying Materials and Resources (MR) Credit: Building product disclosure and optimization — Environmental Product Declarations under LEED® v4 — 1 point

  • Contributes towards satisfying Materials and Resources (MR) Credit: Building Product Disclosure and Optimization — Sourcing of Raw Materials under LEED® v4 — 1 point

  • Specific Environmental Product Declaration (EPD) in accordance with EN 15804. EPD independently verified by Institut für Bauen und Umwelt e.V. (IBU)

PRÜFZEUGNISSE

  • CE marking and declaration of performance based on EN 13956:2012 Flexible sheets for waterproofing — Plastic and rubber sheets for roof waterproofing — Definitions and characteristics
Produktinformation

Chemische Basis

Polyvinyl chloride (PVC-p)

Lagerfähigkeit

5 years from date of production

Lagerbedingungen

The Product must be stored in original unopened and undamaged sealed packaging in dry conditions and temperatures between -5 °C and +40 °C. Store in a horizontal position. Do not stack pallets of the rolls on top of each other, or under pallets of any other materials during transport or storage. Always refer to the packaging.

Produktdeklaration

EN 13956 - Polymeric sheets for roof waterproofing

Sichtbare Mängel

Pass

(EN 1850-2)

Länge

20 m (+1m / -0m)

(EN 1848-2)

Breite

2 m (+0.02 m / -0.01 m)

(EN 1848-1)

Effektive Dicke

1.5 mm (+0.15 mm / -0.08 mm)

(EN 1849-2)

Geradheit

≤ 30 mm

(EN 1848-2)

Planlage

≤ 10 mm

(EN 1848-2)

Max. Betriebsdruck

1.8 kg/ m² (+0.18 kg/m² / - 0.09 kg/ m²)

(EN 1849-2)
Systeminformation

Verträglichkeit

Membrane must be separated from any incompatible substrates / materials by an effective separation layer to prevent accelerated ageing. Not compatible in direct contact with bitumen, tar, fat, oil, solvent containing materials and plastic / thermoplastic materials, e.g. expanded polystyrene (EPS), extruded polystyrene (XPS), polyurethane (PUR), polyisocyanurate (PIR) or phenolic foam (PF). These materials could adversely affect the product properties.

Technische Informationen

Widerstand gegen stoßartige Belastung

Method A, Hard support

≥ 600 mm

Method B, Soft support

≥ 800 mm

Widerstand gegen Hagelschlag

Hard support

≥ 25 m/s

Soft support

≥ 30 m/s

Widerstand gegen statische Belastung

Hard support

≥ 20 kg

Soft support

≥ 20 kg

Widerstandsfähigkeit gegen das Durchdringen von Wurzeln

Pass

(EN 13948)

Dimensionsstabilität

Longitudinal (MD), aged 6 hours at +80 °C

≤ |0.5| %

Transversal (CMD), aged 6 hours at +80 °C

≤ |0.5| %

Weiterreißwiderstand (Nagelschaft)

Longitudinal (MD)

≥ 250 N

Transversal (CMD)

≥ 250 N

Schälwiderstand der Fügenaht

≥ 300 N/50 mm

(EN 12316-2)

Failure mode C, no failure of the joint

Scherwiderstand der Fügenaht

≥ 600 N/50 mm

(EN 12317-2)

Verhalten beim Falzen bei tiefen Temperaturen

≤ -25 °C

(EN 495-5)

Brandverhalten

B Roof T1, roof angle < 20°

Pass

Brandverhalten

Class E

(EN 13501-1)

Chemische Beständigkeit

Resistant to specific chemicals.

Contact Sika Technical Services for additional information.

(EN 1847)

UV-Einwirkung

> 5000 hours UV exposure

Grade 0

Dampfdiffusionswiderstand

Resistance factor, Method A, tested at +23 °C and 75 % r.h.

μ = 20 000

Wasserdichtheit

Method B: at 10 kPa

Pass

Anwendung

Informationen zur Anwendung

Lufttemperatur

Maximum

+60°C

Minimum

-15°C

Untergrundtemperatur

Maximum

+60°C

Minimum

-25°C
Anwendungsschritte

AUSRÜSTUNG

HOT-WELDING OVERLAP SEAMS

  • Electric hot-air welding equipment such as hand-held, manual hot-air welding equipment and pressure rollers.

  • Automatic hot-air welding machines with controlled hot-air temperature capability of a minimum +600 °C.

Recommended equipment:

Manual

Leister Triac

Automatic

Varimat

UNTERGRUNDVORBEREITUNG

The substrate surface must be smooth and uniform.

The supporting layer must be compatible with the membrane, resistant to solvents and dry.

  1. Remove any sharp protrusions or burrs from the substrate.
  2. If contaminants such as grease or dust are present, clean the supporting layer.
 

VERARBEITUNG

IMPORTANT

Strictly follow installation procedures

Strictly follow installation procedures as defined in Method Statements, application manuals and working instructions which must always be adjusted to the actual site conditions.

IMPORTANT

Application by trained personnel

The application of this Product must only be carried out by an applicator that is trained or approved by Sika. The applicator must also be experienced in this type of application.

FIXING METHOD - GENERAL

The waterproofing membrane is installed by loose laying – without stretching the membrane or installing under tension – with mechanical fastening in the seam overlaps or independently of overlaps. Overlap seams are hot-air welded using specialised hot-air equipment.

FIXING METHOD - SPOT FASTENING (SARNAFAST®)

  1. Install the Product at right angles to the deck direction. Unroll the waterproofing membrane, overlapping it by 120 mm.
  2. Fix the waterproofing membrane using Sarnafast® fasteners, barbed washers and tubes along the marked line, 35 mm from the edge of the membrane. The spacing of the fasteners must be in accordance with the project specific Sika calculations.
  3. At upstands and at all penetrations, secure the Product with a Sarnabar®.
  4. Use the 4 mm diameter S-Welding cord PVC to protect the roof covering against tearing and peeling off by wind uplift.

FIXING METHOD - FIELD FASTENING

  1. Install the membrane at right angles to the deck direction. Unroll the waterproofing membrane, overlapping it by 80 mm..
  2. Fix the membrane by induction-welding Sarnadisc hot melt coated washers and Sarnafast® fasteners along the marked line, 35 mm from the edge of the membrane. The spacing of the fasteners must be in accordance with the project specific Sika calculations.
  3. At upstands and at all penetrations, secure the Product with a Sarnabar®.
  4. Use the 4 mm diameter S-Welding cord PVC to protect the roof covering against tearing and peeling off by wind uplift.

FIXING METHOD - BALLASTED SYSTEM

  1. Unroll the waterproofing membrane, overlapping it by 80 mm.
  2. Immediately weld the overlap seams.
  3. Cover with the appropriate roof material according to the roof design and the local wind loading conditions.
  4. Mechanically fix around the roof perimeter with Sarnabar® including S-Welding cord PVC to keep the membrane in place.

HOT-WELDING OVERLAP SEAMS

Overlap seams must be welded by electric hot-welding equipment. Prior to welding, welding parameters including temperature, machine speed, air flow, pressure, and machine settings must be evaluated, adapted and checked on site according to the type of equipment and the climatic conditions. The effective width of overlaps welded by hot air must be a minimum of 20 mm.

TESTING OVERLAP SEAMS

  1. Mechanically test seams with a rounded-edge screwdriver to ensure the integrity and completion of the weld.
  2. Rectify any imperfections using hot-air welding.

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