Dowsil 795 Silicone Building Sealant

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Price Per Unit: $18.73

Price Per Box: $16.86

A one-component, neutral-curing, medium-modulus silicone sealant intended for weatherseal and structural applications with excellent adhesion to a wide range of materials, including glass, metal and aluminium.
Vendor: Dowsil
Availability: In Stock

Physical Properties

Composition: One-part, neutral cure, rtv silicone sealant
Tack free time: 3 hours
Curing time at 25°c (77°f) and 50% rh: 7-14 days
Full adhesion: 14-21 days
Flow, sag or slump: 0.1 inches (2.54mm)
Working time: 20-30 minutes
Voc content: 30 g/l
Durometer hardness, shore a: 35
Peel strength: 32 lb/in (5.7 kg/cm)
Tension adhesion strength at 25% extension: 45 psi (0.310 mpa)
Tension adhesion strength at 50% extension: 60 psi (0.414 mpa)
Joint movement capability: ±50%
Staining: None
Tension adhesion strength at 25% extension (after quv weatherometer): 35 psi (0.241 mpa)
Tension adhesion strength at 50% extension (after quv weatherometer): 50 psi (0.345 mpa)
Approvals/specifications: Federal specification tt-s 001 543a (com-nbs) class a, federal specification tt-s-00230c (com-nbs) class a, astm specification c 920 type s, grade ns, class 50, use nt, g, a and o, astm specification c 1184, canadian specification can2-19.13- m82
Usable life and storage: 12 months at or below 27°c (80°f)
Packaging information: 10.3 fl oz. (305 ml) cartridges, 20 fl oz. (590 ml) sausages, 2 and 4.5 gal (7.5 and 17 l) bulk containers

Shipping & Delivery

$15.95 shipping on all orders nationwide for most products

Dowsil 795 Silicone Building Sealant

Vendor: Dowsil

Dowsil 795 Silicone Building Sealant


Vendor: Dowsil

Dowsil 795 Silicone Building Sealant

Size: 591ml
Color: Back
Package Type: Single Buy

Dowsil™ 795 Silicone Building Sealant

Dowsil™ 795 is a versatile, one-part, neutral-cure silicone sealant designed for a wide range of construction applications. This high-performance sealant excels in both structural glazing and weather sealing, offering exceptional durability and resistance to harsh environmental conditions.

Key Features

  • Neutral cure for low odour and easy application
  • Excellent weatherability, resisting UV, rain, snow, and temperature extremes
  • High joint movement capability of ±50%
  • Strong adhesion to a wide variety of construction materials
  • Available in 15 standard colours with custom colour options
  • Meets global standards (Americas, Asia, and Europe)

Standards and Certifications

  • Federal Specification TT-S 001 543A (COM-NBS) Class A
  • Federal Specification TT-S-00230C (COM-NBS) Class A
  • ASTM Specification C 920 Type S, Grade NS, Class 50, Use NT, G, A and O
  • ASTM Specification C 1184
  • Canadian Specification CAN2-19.13-M82


  • Structural and non-structural glazing
  • Structural attachment of panel systems
  • Panel stiffener applications
  • Weather sealing for glass, aluminium, steel, painted metal, EIFS, granite, stone, concrete, brick, and plastics


  • Provides a long-lasting, flexible, and weathertight seal
  • Maintains structural integrity in demanding applications
  • Resists cracking, shrinking, and discoloration due to weather exposure
  • Excellent adhesion without the need for priming on most substrates
  • Easy application with all-temperature gunnability
  • Low-odour cure byproduct


  • Not recommended for below-grade applications or surfaces constantly immersed in water.
  • Avoid using on surfaces exceeding 50°C (122°F) during installation or materials that bleed oils or plasticizers.
  • Not for use in totally confined spaces or on frost-laden/wet surfaces.
  • Paints may not adhere well to the cured sealant.
  • Not suitable for food contact or medical/pharmaceutical applications.

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