Soudal LM Silirub Silicone Sealant Low Modulous -300ml

£4.00 Incl. VAT

Soudal Silirub LM is a high-performance, low modulus, neutral cure silicone sealant designed for sealing expansion joints, façades, and glazing applications. It delivers long-lasting flexibility and excellent adhesion to a wide range of non-porous materials including PVC, glass, aluminium, and treated timber—without the need for primer. Ideal for both internal and external use, it is UV-resistant, weatherproof, and colourfast, making it perfect for construction joints with high movement. Available in a range of colours to suit various building finishes.

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Soudal Silirub LM – Low Modulus Neutral Cure Silicone Sealant (300ml)

Soudal Silirub LM is a professional-grade, low modulus, neutral curing silicone sealant, specially designed for high-movement joints in both internal and external applications. It forms a flexible, elastic joint after curing, making it ideal for expansion joints, building joints, and glazing work.

This versatile sealant offers outstanding adhesion to a wide range of non-porous materials, including PVC, treated timber, glass, and metal, without the need for primer. It’s UV-resistant, colourfast, and remains permanently elastic, even under temperature extremes.

Suitable for professional construction, window fitting, and façade sealing projects, Silirub LM is available in a range of colours to match common construction materials.

Key Features:

  • Available in a variety of colours
  • Low modulus, highly elastic once cured
  • Excellent UV and weather resistance
  • Primerless adhesion on most non-porous substrates
  • Easy to apply with smooth finish
  • Skin formation time: approx. 10 mins at 23°C / 50% RH
  • Curing rate: approx. 2mm/24h at 23°C / 50% RH
  • Temperature resistance: -60°C to +120°C

Standards & Certifications:

  • Conforms to ISO 11600 F 12.5E
  • Meets EN 15651-1:2012 Type F and EN 15651-2:2012 Type G

Pack Size:

300ml cartridge

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Excellent service! Job done!

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Renata Ilska
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John Stirling
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Only required a small amount of timber but company was very helpful and provided a first class service with good advice given.

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Great prices - way cheaper than local, great quality - imported from Latvia and fast delivery.

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Excellent service! Very happy with the quality of the wood, the price was very reasonable and competitive too. The wood was delivered bang on time. The driver also helped me lift the timber sleepers I had ordered into my back garden. Will buy again.

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David Whyte
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Super service and Armando is very good at giving advice on the right wood to buy! Absolutely reccomended and will come back to buy more wood!

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Fiona Austin
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Excellent customer service from start to finish, we had delivery and installation of our shed within 4 days of ordering. We are so pleased with it, great quality. Will 100% be recommending to friends and family! Thanks again 😊

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