Selleys Pro Trade Joint Sealant LM

Features

  • High flexibility (±25% joint movement)
  • Excellent resistance to weathering and ageing
  • Non‑slumping, cures bubble‑free
  • No shrinkage during curing
  • Good adhesion on many building materials

Important Information

  • Suitable for both interior & exterior applications, vertical & horizontal joints
  • Paintable after cure with water‑based paints (oil‑based requires priming)
  • Available in White, Grey, Black; cartridge and sausage formats
  • Surfaces must be clean, dry, free of grease/oil and loose material

 

 

Black
Grey
White
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  • Technical Details
  • Limitations
  • Directions For Use
Technology

Polyurethane

Colours

White

Grey

Black

Density

1.20 ±0.03 g/mL

Application Temp

5‑40°C

Tack‑Free Time

20‑70 minutes (23°C / 50% RH)

Cure Rate

≥2.5mm / 24h

Sag

0mm (EN ISO 7390)

Tensile Strength

~1.5‑2.0 N/mm²

Elongation at Break

≥600%

Shore A Hardness

~35‑40

Service Temperature

–40°C to +90°C

  • Not for continuous submersion or below‑water‑line use
  • Won’t adhere to polyethylene or polypropylene without testing
  • Do not apply on frozen or wet surfaces
  • Oil‑based paints require priming, especially if applied more than 5 days later.
  1. Clean and dry surfaces; remove oil, grease, dust.
  2. Insert backing rod if required; mask edges for neat finish.
  3. Cut nozzle, load cartridge/sausage into gun.
  4. Extrude sealant evenly into joint, ensuring full side contact; avoid air entrapment.
  5. Tool off for smooth finish.
  6. Paint with water‑based paints once cured; for oil‑based, use primer first.
  7. Clean uncured sealant with mineral turps; remove cured sealant mechanically.

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