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

Sikadur-Combiflex® SG-20 M

2-mm-thick, high-performance joint and crack sealing tape with masking tape

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

  • Advanced adhesion, no activation on site required
  • Very good crack-bridging ability
  • Good resistance to specific chemicals
  • Good resistance to ageing
  • Very good resistance to permanent UV exposure
  • Good resistance to root penetration
  • Wide service temperature range
  • Free from plasticisers
  • Hot-air weldable
  • Approved for contact with drinking water
 
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Product Data Sheet Show all documents

Usage

Sikadur-Combiflex® SG-20 M is used for sealing expansion joints. Sikadur-Combiflex® SG-20 M is used for the following areas:
  • Tunnels
  • Culverts
  • Hydroelectric power plants
  • Sewage treatment plants
  • Basements
  • Below ground structures
  • Water-retaining structures
  • Drinking water reservoirs

Advantages

  • Advanced adhesion, no activation on site required
  • Very good crack-bridging ability
  • Good resistance to specific chemicals
  • Good resistance to ageing
  • Very good resistance to permanent UV exposure
  • Good resistance to root penetration
  • Wide service temperature range
  • Free from plasticisers
  • Hot-air weldable
  • Approved for contact with drinking water
 

Packaging

1 roll of 25 m length

Refer to the current price list for available packaging variations.

Colour

Light grey

Product Details

Sustainability / Certifications / Approvals

ENVIRONMENTAL INFORMATION

  • Contributes towards satisfying Materials and Resources (MR) Credit: Building Product Disclosure and Optimization — Material Ingredients under LEED® v4

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

APPROVALS / STANDARDS

  • Water Regulations, Sikadur Combiflex® SG Jointing System, using Sikadur 31DW Rapid, No. DWI 56.4.1124

  • Drinking water AS/NZS 4020, Sikadur Combiflex® SG , ams Laboratories, Test report No. 1116525

  • Artificial Weathering DIN EN ISO 4892-2 / 4892-3 , Sikadur-Combiflex® SG, Report No.MT Nr. 09/0177

  • CE marking and declaration of performance based on EN 13967:2012 Flexible sheets for waterproofing — Plastic and rubber damp proof sheets including plastic and rubber basement tanking sheet — Definitions and characteristics

 
Product Information

Chemical Base

Modified flexible polyolefin (FPO)

Shelf Life

12 months from date of production

Storage Conditions

The Product must be stored in original, unopened and undamaged sealed packaging in dry conditions at temperatures between +5 °C and +30 °C. Always refer to the packaging.

Opened rolls must be used within 2 months.

Length

25 m

Width

15 cm, 20 cm, 25 cm, 30 cm

Thickness

2.00 mm (-0.10 mm / +0.20 mm)

Mass per unit area

2.10 kg/m2 (-0.10 kg/m2 / +0.21 kg/m2)

(EN 1849-2)
System information

System Structure

Tape

Sikadur-Combiflex® SG-20 M

Adhesive

Sikadur-Combiflex® CF Adhesive Normal

Sikadur-Combiflex® CF Adhesive Rapid

Sikadur®-31 DW

Sikadur®-31 DW Rapid
Technical Information

Shore D Hardness

35

(DIN 53505)

Resistance to Impact

Method B, Soft support

≥ 1500 mm

Resistance to Static Load

Hard support

≥ 15 kg

Resistance to Root Penetration

Pass

(CEN/TS 14416)

Tensile Strength

Longitudinal (MD)

≥ 16 N/mm²

Transversal (CMD)

≥ 16 N/mm²

Resistance to Tearing (nail shank)

Longitudinal (MD)

≥ 570 N

Transversal (CMD)

≥ 570 N

Joint Shear Resistance

≥ 500 N/50 mm

(EN 12317-2)

Service Temperature

Maximum

+40 °C

Minimum

-30 °C

Water Tightness

Method B: 24 hours at 2 kPa

Pass

Chemical Resistance

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

Durability of Water Tightness against Chemicals

Calcium hydroxide, aged 28 days at +23 °C, tested 24 hours at 60 kPA

Pass

Durability of Water Tightness against Ageing

Aged 12 weeks at +70 °C, tested 24 hours at 60 kPa

Pass

Reaction to Fire

Class E

(EN 13501-1)

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
Application steps

APPLICATION

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.

Reference must be made to the following document: Sikadur-Combiflex® SG System - Method statement

 

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