Product Data Sheet Show all documents

SikaRoof® Anchor Washer 140

A manufactured preformed stainless steel fastening plate 

SikaRoof® Anchor Washer 140 is a manufactured preformed stainless steel fastening plate providing a secure connection directly to the roof substructure/roof deck.  

  • Ease of installation
  • Made of stainless steel
  • M12 threaded bolt for secure fastening to the SikaRoof® Anchor 250 FPO/PVC
  • Usable for steel fastener and tube fastener system
  • Removes the wind load off the membrane and on to the structural deck
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Product Data Sheet Show all documents

Usage

SikaRoof® Anchor Washer 140 may only be used by experienced professionals.
  • Fastener plate in combination with the SikaRoof Anchor 250 FPO/PVC for fixing roof mounted products to exposed Sarnafil® FPO/PVC and Sikaplan® FPO/PVC roofing membranes.

Advantages

  • Ease of installation
  • Made of stainless steel
  • M12 threaded bolt for secure fastening to the SikaRoof® Anchor 250 FPO/PVC
  • Usable for steel fastener and tube fastener system
  • Removes the wind load off the membrane and on to the structural deck

Packaging

10 pcs. packed in a cardboard box

Colour

Stainless Steel

Product Details

Product Information

Chemical Base

Stainless steel (1.4301)

Shelf Life

5 Years from date of production if stored properly in original unopened, sealed and undamaged packaging in cool and dry conditions.

Storage Conditions

SikaRoof® Anchor Washer 140 must be stored in original unopened, sealed and undamaged packaging in cool and dry conditions.

Dimensions

Octagon

140 ± 1 (mm)

Diameter

Perforation

4 x Ø 7.2 (mm)

4 x Ø 15.35 (mm)

Height

Total Height

26 ± 1 (mm)
System information

System Structure

Fixing substrate: Concrete, metal decking, plywood/OSB

The following products are system relevant and needs to be ordered separately:

  • SikaRoof Anchor 250 FPO/PVC CR
  • Sarnafast Fastener SBF-6.0 x L
  • Sarnafast Tube SBT-20 x L

Compatibility

Compatible with all types of exposed Sarnafil® FPO and Sikaplan® FPO membranes.
Technical Information

Pull-Out Resistance

Fixed with 4 fasteners

Max. 1600 N

Fixed with 2 fasteners

Max. 800 N (diagonally arranged)

The value applies for metal, wood and concrete substrate.

Design Considerations

  • Thermal Insulation

The compression strength must be sufficient enough to bear the additional weight on long term.
Sika recommends ≥ 120 kPa

  • Vertical weight load

Max. 40 kg (according to substrate)

  • Horizontal shear force

Max. 100 kg (fixed with 4 fasteners and max. roof slope of 10°)

Application

Application Information

Ambient Air Temperature

-40ºC to +50ºC

Permanent ambient temperature during use is limited to +50ºC
Application steps

SUBSTRATE QUALITY

Max. roof slope: 10º; others on request.

APPLICATION

Sufficient roof drainage characteristics after installing SikaRoof® Anchor Washer 140 and SikaRoof® Anchor 250 FPO/PVC CR needs to be ensured.

Place the SikaRoof® Anchor Washer 140 onto the FPO or PVC roof waterproofing membrane. Fix it to the roof substructure with the appropriate fastener. Screw on the SikaRoof® Anchor 250 FPO/PVC onto the M12 threaded bolt with 50 Nm fastening torque.

Installation of some ancillary products, e.g. cleaners is limited to temperatures above +5 °C. Please observe information given by Product Data Sheets.

Special measures may be compulsory for installation below +5 °C ambient temperature due to safety requirements in accordance with national regulations

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