Skip to main content Skip to search Skip to main navigation

Sika Sikaflex PRO 1 FC PU sealant building construction 300 ml

Description

Colour uni white. The Sikaflex PRO 1 FC is a permanently elastic polyurethane sealant for building construction, especially for joint sealing according to DIN 18540-F. The 1-component, ready-to-use sealant cross-links by reaction with atmospheric moisture to form a permanently elastic seal and is characterised by short stringing and good smoothability.

Your benefits

  • Permanently elastic polyurethane sealing compound for building construction
  • For joints according to DIN 18540-F
  • 1-component and ready to use
  • Short thread break and good smoothability
  • Cross-links through atmospheric moisture

Areas of application

  • Joints in building construction according to DIN 18540
  • Connection joints on windows and doors
  • Elastic movement joints
  • Indoors and outdoors

Technical details and application

The joint flanks must be clean, sound and free of grease, dust and separating substances; use the appropriate Sika primer depending on the substrate. Form the joints with suitable backing material and inject the sealant without bubbles, then smooth it. Observe the manufacturer's information on joint dimensions, primer and curing.

Technical data

Area of use: Exterior, Interior
Base: Solvent-free
Content: 300 ml
Material: Polyurethane (PU)
Pack size: 300 ml cartridge
Version
Colour: plain white
Technical data
Product group: PU sealant
Standards
Approval: DIN 18540
Use
Merchandise group: Sealants

Manufacturer information

Manufacturer information pursuant to Art. 19 EU GPSR

Postal address Sika Deutschland CH AG & Co KG
Kornwestheimer Straße 103-107
70439 Stuttgart
Germany

Electronic address info@de.sika.com

All products by Sika

Information as of: 2026-09-18

Reviews

0 of 0 reviews

Average rating of 0 out of 5 stars

All reviews come from buyers. Reviews can only be submitted via the personal, signed link we send to the order's e-mail address after delivery; the link is bound to the order and the purchased item, there is no form without a purchase. We check every review before publication and publish positive and negative reviews alike. Reviews from our former shop baustoffhandel-nrw.de were migrated; there, too, only customers who had bought the item could review it.


For your project

These products go with it

Project: Expansion and connection joints on the façade

Clean the joint flanks mechanically, prime porous flanks and insert a closed-cell backing cord so that the joint becomes about twice as wide as deep. Then apply the permanently elastic sealant, smooth it and pull off the masking tape immediately.

  1. Prepare the surface

  2. Tools & accessories

  3. Finish & care

7 items selected