Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Dow DOWSIL Silicone Transition Strip Sealant

Dow DOWSIL Silicone Transition Strip Sealant is a high-performance, neutral-cure silicone sealant engineered for seamless transitions between dissimilar building materials. It offers excellent adhesion to glass, metal, concrete, and coated substrates without priming, plus superior UV resistance, flexibility, and weatherproofing—ideal for façade joints, curtain walls, and architectural detailing.
  • dow dowsil silicone transition strip sealant_511a97b0
  • dow dowsil silicone transition strip sealant_511a97b0

Features Of Dow DOWSIL Silicone Transition Strip Sealant

  1. High-performance, one-component, acetoxy-cure silicone sealant designed for seamless transition joints between dissimilar substrates.

  2. Excellent adhesion to glass, aluminum, anodized metal, painted surfaces, and most common construction materials without primer.

  3. Wide service temperature range from –40 °C to +150 °C with outstanding UV, ozone, and weather resistance.

  4. Low modulus formulation provides superior flexibility and long-term movement capability (±25% joint movement).

  5. Non-staining, low-VOC formula compliant with global indoor air quality standards including GREENGUARD Gold certification.

Typical Applications Of Dow DOWSIL Silicone Transition Strip Sealant

  1. Sealing expansion and control joints in façade systems where curtain wall meets precast concrete or metal cladding.

  2. Transition sealing at roof-to-wall interfaces in commercial low-slope and parapet applications.

  3. Perimeter sealing of insulated metal panels (IMPs) and composite wall assemblies.

  4. Joint sealing in architectural glazing systems requiring aesthetic continuity across material boundaries.

  5. Interior and exterior transitions in healthcare and education facilities demanding durable, cleanable, and non-yellowing performance.

Specifications Of Dow DOWSIL Silicone Transition Strip Sealant

Chemical TypeAcetoxy-cure silicone elastomer
Product FormExtrudable paste in sausage pack or cartridge
AppearanceSmooth, homogeneous paste; available in clear, white, and custom colors
Primary ApplicationsArchitectural transition joints, façade interfaces, and building envelope detailing
Key FeaturesPrimerless adhesion, high elasticity, UV stability, low modulus
BenefitsReduced labor cost, long-term durability, minimal maintenance, aesthetic consistency
Curing MechanismMoisture-cured at ambient conditions
Shelf Life12 months unopened at ≤25 °C in original sealed packaging


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