Product Data Sheet Safety Data Sheet Show all documents
Sikadur-Combiflex® SG-20 M

Sikadur-Combiflex® SG-20 M

High performance movement joint and crack sealing tape with red masking tape

Sikadur-Combiflex® SG-20 M is a flexible waterproofing tape based on modified flexible Polyolefin (FPO) with advanced adhesion properties. It has red masking tape on one side for easier application over expansion joints. Thickness 2,0 mm.
The product is part of the Sikadur Combiflex® SG System.

  • Advanced adhesion, no activation on site required
  • Highly flexible - high crack and joint bridging ability
  • Good chemical resistance
  • Good resistance to ageing
  • Resistant to UV exposure
  • Resistant to root penetration
  • Performs well within a wide range of temperatures
  • Plasticiser-free
  • Hot air weldable
  • Can be used in contact with potable/drinking water
Product Data Sheet Safety Data Sheet Show all documents

Usage

Sealing all types of joints and cracks in many different structures and applications including:
  • Tunnels and culverts
  • Hydroelectric power plants
  • Sewage treatment plants
  • Basements
  • Water retaining structures
  • Drinking water reservoirs
Sealing of:
  • Movement joints
  • Construction joints
  • Pipe penetrations
  • Cracks
  • Building components where differential settlement is expected
 

Advantages

  • Advanced adhesion, no activation on site required
  • Highly flexible - high crack and joint bridging ability
  • Good chemical resistance
  • Good resistance to ageing
  • Resistant to UV exposure
  • Resistant to root penetration
  • Performs well within a wide range of temperatures
  • Plasticiser-free
  • Hot air weldable
  • Can be used in contact with potable/drinking water

Packaging

1 roll of 25 m length

Refer to current price list for packaging variations

Colour

Flexible light grey membrane

Product Details

Sustainability / Certifications / Approvals

APPROVALS / CERTIFICATES

  • Root Resistance CEN/TS 14416, Sikadur Combiflex® SG, SKZ, Test report No. 89643/09
  • Water Regulations up to +50 °C BS6920-1:2000, Sikadur Combiflex® SG, WRAS, Approval No. 1708503
  • CE Marking and Declaration of Performance to EN 13967 - Flexible sheets for waterproofing – Damp proofing and basement tanking
  • Artificial Weathering Sikadur-Combiflex® SG, Report No.MT Nr. 09/0177
Product Information

Composition

Modified flexible Polyolefin (FPO)

Effective thickness

2,0 mm (-5 % / +10 %)   

(EN 1849-2)

Mass per unit area

2095 g/m2  (-5 % / +10 %)

(EN 1849-2)

Width

15, 20, 25, 30 cm

Length

25 m roll

Shelf life

12 months from date of production

Storage conditions

The product must be stored in original, unopened and undamaged packaging in dry conditions at temperatures between +5 °C and +30 °C. Opened and unprotected rolls must be used within 2 months. Always refer to packaging.
System information

System structure

The following system products must be selected from the following depending on design:

Tape

  • Sikadur-Combiflex® SG-10 / -20 type P or M

Adhesive

  • Sikadur-Combiflex® CF Adhesive Normal or Rapid
  • Sikadur®-31 CF or DW
Technical Information

Shore D Hardness

~35

(DIN 53505)

Resistance to impact

≥ 1500 mm (Method B)

(EN 12691)

Resistance to root penetration

Pass

(CEN/TS 14416)

Resistance to static loading

≥ 15 kg (Method C)(EN 12730)

Tensile strength

≥ 16 N/mm2 (Method A)

(EN 12311-2)

Elongation

≥ 750 %

(EN 12311-2)

Maximum permissible permanent elongation

<25 % of non-adhered tape width.

Note: For higher joint movement, loop tape into the gap of the joint.

Resistance to tear

MD / CMD ≥ 570 N

(EN12310-1)

Joint shear resistance

≥ 500 N/50 mm

(EN 12317-2)

Watertightness

Pass (Method B, 24 hours / 60 kPa)

(EN 1928)

Chemical resistance

Tested according to EN 1847. Contact Sika Technical Services for additional information.

Durability of watertightness against ageing

            

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

(EN 1298)

Durability of watertightness against chemicals

Pass ((Ca(OH)2, 28 days / +23°C)

(EN 1847)
Pass (Method B, 24 hours / 60 kPa)(EN 1928)

Reaction to fire

Class E

(EN ISO 11925-2)

Service temperature

-10 °C min. / +40 °C max.

Application

Application Information

Ambient air temperature

Refer to the System Data Sheet: Sikadur Combiflex® SG System

Substrate temperature

Refer to the System Data Sheet: Sikadur Combiflex® SG System

 

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