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Soudal Primer 150 bonding agent for porous substrates 500 ml

Description

Soudal Primer 150 is a thin-bodied adhesion promoter based on synthetic resin for porous substrates. It primes joint flanks before sealing with silicone, MS polymer or SMX sealants and improves adhesion, especially where the joint is exposed to increased water loads.

✅ Your benefits

  • 💧 Thin-bodied, easy to apply with a brush
  • 🔗 Improves the adhesion of silicone, MS polymer and SMX sealants
  • 🌧️ Specially suited to joints exposed to increased water loads
  • ⏱️ Quick-drying – ready for use after approx. 60 minutes
  • 🎨 Transparent, no visible residues

🏗️ Areas of application

  • 🧱 Priming porous substrates before sealing
  • 📐 Joint flanks of expansion and connection joints
  • 🌊 Joints under permanent moisture exposure, e.g. in sanitary areas

Technical properties

Base synthetic resins in solvent, thin-bodied, transparent, density approx. 0.93 g/ml. Application temperature +5 °C to +25 °C. Drying after approx. 60 minutes; apply sealant after 60 minutes at the earliest and 240 minutes at the latest. Coverage approx. 5 m² per litre.

Areas of application & processing

Suitable for new construction, renovation, and sanitary and façade construction. Prepare the substrate free of grease, clean, dry and dust-free, apply the primer evenly with a brush, twice if necessary. Clean tools straight afterwards with Surface Cleaner. Store cool (+5 °C to +25 °C) and dry, close opened containers tightly.

Technical data

Area of use: Exterior, Interior
Base: Solvent-based
Colour: transparent
Content: 500 ml
Pack size: 500 ml
Version: low viscosity
Technical data
Product group: Primer & bonding primer
Use
Field of use: Outdoors, indoors
Merchandise group: Tools, painting supplies & protective equipment
Application
Yield: 5 m²
Application temperature: +5 °C to +25 °C

Data sheets

Data sheets and documents

All documents come unchanged from the manufacturer.

Manufacturer information

Manufacturer information pursuant to Art. 19 EU GPSR

Postal address Soudal N.V.
Everdongenlaan 18-20
2300 Turnhout
Belgium

Electronic address verkauf@soudal.com

All products by Soudal

Information as of: 2026-09-17

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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. Apply

  3. Tools & accessories

  4. Finish & care

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