Product Data Sheet Show all documents

SikaRoof® Anchor 250 FPO CR

Prefabricated universal FPO roof connection point

SikaRoof® Anchor 250 FPO CR is a manufactured, preformed accessory that provides a secure, watertight connection between the roof substructure or roof deck and the waterproofing membrane.  

  • Provides a secure watertight anchor to the roof deck
  • The stainless steel insert nut is equipped with an M12 internal thread on both sides
  • Hot air weldable without use of open flames
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Product Data Sheet Show all documents

Usage

SikaRoof® Anchor 250 FPO CR is used as a:
  • Universal connection point for fixing roof-mounted products to exposed Sika® FPO roofing membranes
Please note:
  • The Product may only be used by experienced professionals.

Advantages

  • Provides a secure watertight anchor to the roof deck
  • The stainless steel insert nut is equipped with an M12 internal thread on both sides
  • Hot air weldable without use of open flames

Packaging

10 pieces packed in a cardboard box

Refer to the current price list for available packaging variations.

Colour

Surface

Stainless steel

Colour

Biege, RAL 7040, RAL 9016

Product Details

Product Information

Chemical Base

Flexible polyolefins (FPO) compound and machined Stainless Steel Grade 1.4401

Shelf Life

5 years 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 packaging.

Diameter

(250 ± 3) mm

Height

(42 ± 1) mm
System information

System Structure

THERMAL INSULATION

The compressive strength must be sufficient to carry the additional long-term load of the connection point.

MEMBRANE

All types of exposed Sarnafil® FPO and Sikaplan® FPO membranes.

FASTENERS

SikaRoof® Anchor Washer 140

Sarnafast® fastener with a minimum diameter of 6.0 mm.

Application

Application Information

Ambient Air Temperature

Maximum

+50 °C

Minimum

-40 °C

Substrate Temperature

Maximum

+50 °C

Minimum

-40 °C
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.

IMPORTANT

Application by trained personnel

The application of this Product must only be carried out by an applicator that is trained or approved by Sika. The applicator must also be experienced in this type of application.

 

IMPORTANT

Roof slope greater than 10°

For projects with roof slopes above 10°, a suitably qualified structural engineer must determine the maximum admissible load.

When used in conjunction with SikaRoof® Anchor Washer 140 the following design parameters apply:

Number of fastenersAdmissible design load for the resistance of wind uplift

4

1600 N

2

Arranged diagonally on the Product washer plate

800 N

Preconditions

The M12 threaded steel section is made of stainless steel, (to prevent the risk of bimetallic corrosion).

Preliminary pull-out tests confirm the suitability of the fastener installation.

  1. Clean the Sarnafil® FPO or Sikaplan® FPO membrane around installation area.
  2. Fix the washer to the substrate with appropriate fasteners.

  3. Weld the edge of the FPO base plate to the waterproofing membrane.

    Note: Use electric hot-air welding equipment such as manual hot-air welding guns (Leister) and pressure rollers in accordance with the relevant Sika application manual.

Application below +5 °C

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

Note: Installation of ancillary products such as contact adhesives or cleaners is limited to temperatures above +5 °C. Refer to the corresponding Product Data Sheets.

 

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