COSHH-17 Silicone Sealant (Polydimethylsiloxane / Acetoxy Cure)
File Reference : COSHH Assessment Silicone Sealant
Date File Updated 01-04-26
File Format MS Word
No. of files 1
Category COSHH Assessments
Tags: ISO 45001
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This example COSHH risk assessment has been prepared using the
F-HS5 COSHH Assessment form template which has been designed to record and manage the risks associated with substances hazardous to health and includes:

  • Substance details
  • Physical description
  • Health effects and first aid
  • Workplace exposure limits (WELs)
  • CLP hazard classification — visual hazard icons
  • Risk rating
  • Control measures
  • PPE required — visual PPE icons
  • Environmental considerations

The file is supplied in fully editable MS Word format and can be easily customised and saved to Google Docs format if required. The document uses pre-defined style formatting throughout with styles to match the risk-ratings. All text is in Calibri font for improved readability.
The following document labelling is included in the footer:

  • Form number and title
  • Information-classification
  • Version
  • Page number / total pages
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COSHH Assessment — Silicone Sealant (Polydimethylsiloxane / Acetoxy Cure)

This pre-completed COSHH assessment covers acetoxy-cure silicone sealant based on polydimethylsiloxane (PDMS) — used for sealing, bonding and weatherproofing in construction, plumbing and general building maintenance.

What Does This COSHH Assessment Cover?

The assessment is fully completed and ready to use, covering all sections required for a complete hazardous substance risk assessment:

  • Substance identification — trade name, chemical name (polydimethylsiloxane / acetoxy-cure silicone), SDS reference and physical state
  • Health effects and first aid — inhalation, ingestion, skin contact and eye contact, with specific first aid for each route
  • Acetic acid release during cure — acetoxy-cure sealant releases acetic acid vapour during application and curing; use in well-ventilated areas; avoid eye and respiratory exposure
  • Workplace exposure limits — acetic acid TWA and STEL, from workplace exposure limits guidance
  • CLP hazard classification — Irritant and Environmental pictograms
  • PPE requirements — including eye protection and gloves during application
  • Emergency procedures — spillage response and fire precautions

Who Is This COSHH Assessment For?

This assessment is suitable for any workplace where silicone sealant is used, including:

  • Construction and building contractors
  • Plumbing and heating engineers
  • Glazing and fenestration installers
  • Facilities management and maintenance teams

COSHH Compliance

This document provides ready-to-use evidence of COSHH compliance and supports occupational health and safety management. The assessment is based on the F-HS5 COSHH Assessment template, is fully editable in Microsoft Word, and can be customised with your company details, site-specific information and review dates.

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