Product Data Sheet Show all documents

Sikaplan® WT 1200-20 C

FPO MECHANICALLY FIXED MEMBRANE FOR BASEMENT AND TUNNEL WATERPROOFING

Sikaplan® WT 1200-20 C is a polyolefin (FPO-PE), mechanically fixed, heat weldable, flexible sheet waterproofing membrane with a glass fibre reinforcing inlay. Thickness 2,0 mm.

  • Flexible in cold temperatures
  • Reinforced and dimensional stable during installation
  • Resistant against ageing
  • Resistant to permanent water temperature up to + 40°C
  • Suitable for contact with acidic soft water and alkaline environments
  • Resistant to root penetration and microbiological degradation
  • Optimised workability, heat weldable
  • Hand welding without extrusion seams
  • Can be installed on damp and wet substrates
  • Temporary UV stable for installation
  • Bitumen resistant
 
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Product Data Sheet Show all documents

Usage

Sikaplan® WT 1200-20 C may only be used by experienced professionals.
  • Waterproofing of basements and cut-and-cover structures against groundwater

Advantages

  • Flexible in cold temperatures
  • Reinforced and dimensional stable during installation
  • Resistant against ageing
  • Resistant to permanent water temperature up to + 40°C
  • Suitable for contact with acidic soft water and alkaline environments
  • Resistant to root penetration and microbiological degradation
  • Optimised workability, heat weldable
  • Hand welding without extrusion seams
  • Can be installed on damp and wet substrates
  • Temporary UV stable for installation
  • Bitumen resistant
 

Packaging

Roll size

Length:

15,00 m or as required

Width:

2,00 m

Weight:~61,2 kg

Refer to current price list for packaging variations

Colour

Surface:

Top:smooth

Colour:

top: green

underside: black

Product Details

Sustainability / Certifications / Approvals

APPROVALS / STANDARDS

  • CE Marking and Declaration of Performance to EN 13491:2004/A1:2006 - Geosynthetic barriers — Characteristics required for use as a fluid barrier in the construction of tunnels and underground structures
  • CE Marking and Declaration of Performance to EN 13361 - Geosynthetic barriers - For use in the construction of reservoirs and dams
  • CE Marking and Declaration of Performance to EN 13362 - Geosynthetic barriers - Characteristics required for use in the construction of canals
  • CE Marking and Declaration of Performance to EN 13967 - Flexible sheets for waterproofing - Damp proofing and basement tanking
Product Information

Product Declaration

EN 13967 - Flexible sheets for waterproofing.   

EN 13491 - Geosynthetic barriers for tunnels and associated underground structures

Chemical Base

Polyolefin (FPO-PE) with glass fibre fleece inlay

Shelf Life

5 years from date of production

Storage Conditions

Product must be stored in original unopened and undamaged sealed packaging in dry conditions and temperatures between + 5 °C and + 35 °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 packaging.

Visible Defects

EN 13967: mandatory only for European countries

(1213-CPR-016)

Effective Thickness

2.00 (- 5/+ 10 %) mm

(EN 1849-2)

Straightness

≤ 50 mm/ 10 m

(EN 1848-2)

Mass per Unit Area

2.04 (- 5/+ 10 %) kg/m2

(EN 1849-2)
System information

System Structure

Ancillary Products:

  • Sikaplan® WT Disc
  • Sikaplan® WT Fixation Plate PE
  • Sikaplan® W Felt PP
  • Sikaplan® W Tundrain
  • Sikaplan® WT Protection Sheets
  • Sika®Waterbar WT for waterproofing of concrete joints and compartments
  • Sikaplan® WT Tape 200, bonded with Sikadur -31( type specific to environment)
  • Sarnafil® T Clean, cleaner for soiled membrane surfaces
  • Sarnafil® T Prep for seam preparation, prior to heat welding
Technical Information

Tensile Strength

≥ 10 N/mm2 (machine direction)

≥ 8.5 N/mm2 (cross direction)

≥ 10 N/mm2  ± 2.0 (machine direction)

≥ 9 N/mm2   ± 2.0 (cross direction)

Elongation

≥ 450 % (machine/ cross direction)

≥ 450 % (machine/ cross direction)

Burst Strength

≥ 50 % (D= 1,0 m)

(EN 14151)

Resistance to Static Puncture

≥ 2.2 (±0.40) kN

(EN ISO 12236)

Resistance to Impact

Watertight at ≥ 700 mm drop height (500 g falling weight)

(EN 12691)

Resistance to Static Load

≥ 20 kg (Method B, 24h/ 20 kg)

(EN 12730)

Permeability to Liquid Water

< 10-7m3 x m-2 x d-1

[EN 14150]

Water Tightness

Pass (Method B, 24h/ 60 kPa)

(EN 1928 B)

Foldability at Low Temperature

No cracks at - 50 °C(EN 495-5)

Tear Strength

≥ 65 kN/m (Method B, V= 50 mm/min)(ISO 34)

Resistance to tear (nail shank)

≥ 650 N(EN 12310-1)

Joint Shear Resistance

≥ 800 N/ 50 mm(EN 12317-2)

Dimensional Change after Heat

< 2.0 % (machine/ cross)

(+ 80 °C/ 6h)

(EN 1107-2)

Coefficient of Thermal Expansion

120 x 10-6 (± 50 x 10-6) 1/K(ASTM D 696-91)

Resistance to Oxidation

Change of tensile strength:

≤ 20 %

Change in elongation:

≤ 20 %

Chemical Resistance

Change in elongation:

(hydrolysis under acid conditions):

≤10 %

Change in elongation:

(synthetic leachate water):

≤10 %

Change in elongation:

≤10 %

Durability of Water Thightness against Ageing

Pass (12 weeks)(EN 1296)(EN 1928)
Pass (Method B, 24h/ 60 kPa)

Durability of Water Tightness against Chemicals

Pass (28d/+ 23 °C)(EN 1847)(EN 1928)
Pass (Method B, 24h/ 60 kPa)

Microbiological Resistance

Change of tensile strength:

≤10 %

Change in elongation

≤10 %

Accelerated Ageing in Alkaline Environment Tensile Strength

Pass (Appendix C, 24 weeks/+ 90 °C)

(EN 12311-2)

Resistance to Environmental Stress Cracking

≥ 200h(EN 14576)(ASTM D 5397-99)

Resistance to Weathering

Remaining tensile strength and elongation:

≥ 75 % (350 MJ/m2)

Resistance to Root Penetration

Pass

(CEN/TS 14416)

Reaction to Fire

Class E(EN ISO 11925-2)

Exposure to Bitumen

Pass (Method A, 28d/+ 70 °C)

(EN 1928)(EN 1548)

Service Temperature

- 10 °C min./+ 40 °C max.

Ambient Maximum Temperature of Liquids

+ 40 °C

Application

Application Information

Ambient Air Temperature

+ 5 °C min./+ 45 °C max.
Application steps

EQUIPMENT

Hot welding overlap seams

Electric hot air welding equipment, such as hand held manual hot air welding equipment and pressure rollers or automatic hot air welding machines with controlled hot air temperature capability of a minimum +600 °C.

Recommended type of equipment:

  • Manual: Leister Triac PID
  • Automatic : Leister Twinny S
  • Semi-automatic: Leister Triac Drive

Or other suitable equivalent electric hot air welding equipment.

SUBSTRATE QUALITY

Refer to Sika Method Statement: Sikaplan® WT sheet membrane system for waterproofing of tunnels

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