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DOWSIL 375 Construction & Glass Embedding Silicone Sealant
Description

DOWSIL™ 375 Construction and Glass Embedding has been specifically developed to securely mount and support flat and curved monolithic or laminated glass panels in the U-shaped profiles, in interior and exterior embedding applications. It is a pourable, self-levelling, two-part polyurethane, designed for use as a supporting material for glass panels that are only retained at the base.

Designed for installation of frameless glass balustrades for pure glass aesthetics and invisible bonding. Enables balustrade designs with fixation of glass panes at their base, resulting in a clean, modern appearance.

  • Part A Polyol - 16kg
  • Part B Hardener - 3kg
Key Features
  • Pure glass aesthetics with invisible fixing
  • Excellent flowability for efficient application
  • Lightweight container sizes for easy handling
  • Efficient and fast application for enhanced productivity
  • Very rigid to minimise panel deflection
  • Long pot life
  • Very fast cure, at room temperature
Scope of Use
  • Embedding of glass panels in U-profiles for glass balustrades
  • Suitable for indoor and outdoor applications
Limitations on Use
  • Must be used in accordance with technical literature and maintenance guidelines
  • For more information on compatibility with other products and specialist advice, please contact Glasscorp Architectural directly
  • Customers should independently determine the suitability of this product for their specific purpose prior to use
Statement of Building Code Compliance

DOWSIL™ sealants may contribute to compliance with the following code clauses when correctly applied.

  • B2 (Durability), B2.3.1(a). The durability of silicone is well established in NZ based on in-service use.
  • C2 – C6 (Protection from Fire), applicable performance criteria. Performance based on fire testing.
  • E2 (External Moisture) & E3 (Internal Moisture), applicable performance criteria. Silicone when applied seals joints and allowed to cure will resist water penetration.
  • F2 (Hazardous Building Materials), F2.3.1. Silicone is not considered hazardous, and does not emit harmful gases. 
In-Service History

DOWSIL™ Sealants have been used extensively worldwide and in New Zealand for decades as a trusted product.

Other Performance Attributes

Warranty & Maintenance

  • 15 year manufacturer warranty and 5 year installer/applicator warranty for DOWSIL™ sealants
  • Follow DOW Silicone Sealant Maintenance Guidelines
Documents
BPIR Product Statement: DOWSIL Silicone Sealants

v.1.0

Technical Manual: Construction and Glass Embedding

2024

Material Safety Datasheet: DOWSIL 375 — Base

2025

Material Safety Datasheet: DOWSIL 375 — Catalyst

2024

Technical Datasheet: DOWSIL 375

2022

Glasscorp on Masterspec
Masterspec Work Section: DOW Sealants

Glasscorp Architectural are glass and sealant specialists supporting architects in their design of cutting-edge, high-performance buildings.

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