Selleys 630 Sealant Grey 300ml Selleys — Hillcock Industrial Skip to content
Selleys 630 Sealant Grey 300ml

Selleys 630 Sealant Grey 300ml

by Selleys
SKU I-151420
MFR 103352

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Selleys 630 is a premium low modulus, multipurpose elastic joint sealant powered by advanced hybrid technology, suitable for a variety of sealing applications. Offering excellent resistance against UV and weathering, a high joint movement capability of +/-35%, 630 can withstand both indoor and outdoor applications. It offers very broad and primerless adhesion to most building materials*. It is also a low voc** product, free from harmful chemicals like solvents and isocyanates. Once cured it forms a strong, elastic waterproof^ seal that is paintable with water-based paints.
**Meets GBCA limits for general purpose and architectural sealants.
*Not suitable for PE,PP,PTFE
^Not for permanent water immersion.

Key Features
  • +/- 35% Joint Movement
  • Adhesion to wet surfaces^
  • UV & weather resistant
  • Paintable
Where can this product be used?
  • Construction joint sealant applications
  • Perimeter seals around doors, windows and facades
  • General purpose interior joint sealant applications
  • Suitable for humid conditions
  • Sealing of fillet joints (wall & floor movement junctions)
  • Precast wall panel joints
  • Expansion joints
  • Control joints
  • Connection joints
  • Window/door frame perimeter sealing
  • Sealing of wall panel systems
    Note: It is not suitable for structural glazing.
What materials is this product suitable for?
  • Anodised aluminium
  • Precast concrete panels
  • Block work & Bricks
  • Plasterboard & Blue Board
  • Concrete
  • Masonry
  • Porcelain
  • Stainless steel
  • Glass
  • Wood
  • Ceramics
  • PVC
  • Perspex
  • Marble
  • Fibre cement board
  • Zinc alum
  • Copper
  • and most other building materials.
    *Not suitable for PE, PP, PTFE.
How to Use
  • Ensure all surfaces are clean and dry, free of wax, grease, dust and any other foreign materials. Metal substrates should be degreased first.
  • Cut nozzle at a sharp angle slightly wider than the desired bead or joint width. If being installed as a joint sealant, always use a suitable backing rod to ensure the correct depth is achieved.
  • Extrude sealant with a gun and tool with a round spatula within 10 minutes to spread the sealant against the joint surfaces.
  • Uncured sealant can be removed with mineral turps.
    • Handy tips
    • Can be applied to clean, wet non-porous surfaces e.g. metals, glass, glazed tiles not wet porous surfaces e.g. concrete, timber. Remove as much water as possible, preferably with acetone. Keep nozzle close to surface so sealant contacts surface immediately. Flatten immediately into joints.
    • Adhesion improves on drying.
    • Skins in 20 minutes, maximum toughness achieved over several days.
    • Paintable with water-based paints after product skins. Pre-test paint over a small section of sealant before completing job. Some paints may require sealant to be lightly sanded before painting.
    • Sandable when fully cured.
    • Store in cool dry conditions, below 30C
    Clean Up
    • Uncured product may be removed with mineral turps.