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Sikaplan® TB-18

Polymeric membrane for ballasted roof waterproofing

Sikaplan® TB-18 (thickness 1.8 mm) is a multi-layer, synthetic roof waterproofing sheet based on premium-quality flexible polyolefins (FPO), containing stabilizers, with inlay of glass non-woven according to EN 13956.
Sikaplan® TB-18 is a hot air weldable, UV-resistant roof membrane. Suitable for use in hot and tropical climatic conditions.

  • Resistant to permanent UV irradiation
  • High dimensional stability due to glass fleece inlay
  • Resistant against impact load and hail
  • Resistant to all common environmental influences
  • Resistant to mechanical influences
  • Resistant to micro-organisms
  • Resistant to root penetration
  • Compatible to old bitumen
  • Hot air welding without use of open flames
  • Recyclable
Sikaplan® TB-18
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Usage

Roof waterproofing membrane for roofs with ballast (e.g. gravel, concrete slabs, green roof) and / or exposed flat roofs:
  • Loosely laid and Ballasted roofs
  • Green roofs
  • Utility roofs
  • Inverted roofs

Roof waterproofing membrane for exposed roof junction zones:
  • Roof waterproofing for junctions and flashings, e.g. wall and parapet junctions, roof lights, etc., which are permanently exposed in installations of Sikaplan® TB-18 roof waterproofing systems with ballast.
  • Roof waterproofing for junctions and flashings in installations of Sikaplan® TM exposed roof waterproofing systems.
 

Advantages

  • Resistant to permanent UV irradiation
  • High dimensional stability due to glass fleece inlay
  • Resistant against impact load and hail
  • Resistant to all common environmental influences
  • Resistant to mechanical influences
  • Resistant to micro-organisms
  • Resistant to root penetration
  • Compatible to old bitumen
  • Hot air welding without use of open flames
  • Recyclable

Packaging

Sikaplan® TB-18 standard rolls are wrapped individually in a yellow PE-foil.

Packing unit:

see price list

Roll length:

15.00 m

Roll width:

2.00 m

Roll weight:55.20 kg

Colour

Surface:

matt

Colours:

Top surface:

white

Bottom surface:black

Product Details

Sustainability / Certifications / Approvals

APPROVALS / CERTIFICATES

Sikaplan® TB-18 is designed and manufactured to meet most international recognised standards.

  • Polymeric sheets for roof waterproofing according to EN 13956, certified by notified body 1213-CPD-4855 and provided with the CE marking
  • Reaction to fire according to EN 13501-1
  • Root penetration resistance tested according to FLL-Test Procedure
  • Official Quality Approvals and Agreement Certificates
  • Monitoring and assessment by approved laboratories
Product Information

Shelf life

Product does not expire if correctly stored.

Storage conditions

Rolls must be stored in a horizontal position on pallet and protected from direct sunlight, rain and snow. Do not stack pallets of rolls during transport or storage.

Product Declaration

EN 13956

Visible Defects

Pass

EN 1850-2

Length

15 m (-0 % / +5 %)

(EN 1848-2)

Width

2 m (-0.5 % / +1 %)

(EN 1848-2)

Effective Thickness

1.8 mm (-5 % / +10 %)

(EN 1849-2)

Straightness

≤ 30 mm

(EN 1848-2)

Flatness

≤ 10 mm

(EN 1848-2)

Mass per unit area

1.8 kg/m² (-5 % / +10 %)

(EN 1849-2)
System information

System Structure

Wide range of accessories is available e.g. prefabricated parts, roof drains, scuppers, protection sheets and separation layers.
  

The following accessories shall be used:

  • Sarnafil® T 66-15 D Sheet for detailing
  • Sikaplan® T Metal Sheet
  • Sarnabar
  • Sarnafil® T Welding Cord
  • Sarnafil® T Prep
  • Sarnacol® T-660
  • Sarnafil® T Clean

Compatibility

Sikaplan® TB-18may be installed on all thermal insulations and levelling layers suitable for roofing. No additional separation layer is required.
Sikaplan® TB-18 is suitable for installation directly on top of existing, carefully cleaned, level bituminous roofing, e.g. re-roofing over old flat roofs.
Colour changes in membrane surface may occur in case of direct contact with bitumen.
In case of existing roof build-up needs to be removed, Sikaplan® TB-18 can be adhered directly on to the bituminous vapour control layer for partitioning and protection of the day work.
Technical Information

Resistance to Impact

hard substrate

≥ 800 mm

soft substrate

≥ 1000 mm

Resistance to Static Load

soft substrate

≥ 20 kg

rigid substrate

≥ 20 kg

Resistance to Root Penetration

Pass

(EN 13948)

Tensile Strength

longitudinal (md)1)

≥ 6 N/mm2

transversal (cmd)2)

≥ 6 N/mm2

1)md = machine direction
2)cmd = cross machine direction

Elongation

longitudinal (md)1)

≥ 500 %

transversal (cmd)2)

≥ 500 %

1)md = machine direction
2)cmd = cross machine direction

Dimensional Stability

longitudinal (md)1)

≤ |0.3| %

transversal (cmd)2)

≤ |0.2| %

1)md = machine direction
2)cmd = cross machine direction

Joint Shear Resistance

≥ 400 N/50 mm

(EN 12317-2)

Foldability at Low Temperature

≤ -40 °C

(EN 495-5)

Reaction to Fire

Class E

(EN ISO 11925-2, classification to EN 13501-1)

Effect of Liquid Chemicals, Including Water

On request

(EN 1847)

Exposure to Bitumen

Pass3)

(EN 1548)

3) Sikaplan® TB is compatible to old bitumen

Resistance to UV Exposure

Pass (> 5 000 h  / grade 0)

(EN 1297)

Watertightness

Pass

(EN 1928)

Application

Application Information

Ambient Air Temperature

-20 °C min. / +60 °C max.

Substrate Temperature

-30 °C min. / +60 °C max.
Application steps

SUBSTRATE QUALITY

The substrate surface must be uniform, smooth and free of any sharp protrusions or burrs, etc.
The supporting layer must be compatible to the membrane, solvent resistant, clean, dry and free of grease and dust. Metal sheets must be degreased with Sikaplan® Cleaner before adhesive is applied.

APPLICATION

Installation works must be carried out only by Sika instructed contractors for roofing. Installation of some ancillary products, e.g. contact adhesives / cleaners is limited to temperatures above +5 °C. Please observe information given by Product Data Sheets.
 

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