Dow -DOWSIL™ Firestop 700 Sealant

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A fire rated one-part, neutral curing silicone sealant that offers excellent unprimed adhesion to a range of common construction substrates including steel, masonry and brick.

Uses:
  • Linear expansion joints in fire-rated walls

Category: elastomeric sealants | expansion joint sealants | fire stopping...

MasterFormat: Penetration Firestopping | Joint Firestopping | Joint Protection...



Dow
Corporate Center
PO Box 994
Midland, MI 48686
Tel: (586) 496-4000

https://www.dow.com/en-us.html

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Overview


DOWSIL™ Firestop 700 Sealant

A fire rated one-part, neutral curing silicone sealant that offers excellent unprimed adhesion to a range of common construction substrates including steel, masonry and brick.

Uses:
  • Linear expansion joints in fire-rated walls
  • Smaller penetration seals where pipes or cables penetrate fire rated structures
Benefits:
  • Up to four-hour fire rating
  • Neutral curing with joint movement capability of ±50%
  • Excellent weathering characteristics, including resistance to ozone, UV radiation and temperature extremes
  • Long service life
  • Ready to apply
  • Conforms to ISO 11600-F&G25LM
  • CE marked as a fire-resistant sealant according to EAD 350141-00-1106
  • Tested and classified according to EN 1366-4 and 13501-2 (joint design details on request)

Fire-rated sealants

How can we limit the spread of fire when it comes to building design? Including passive fire-protection in the building design helps contain fire and smoke, allowing more time for building occupants to escape. This is why building materials we select are so vital: the materials’ behavior in resisting fire is a key factor in determining how much time will be available to exit a building. Dow High Performance Building offers a range of DOWSIL™ brand solutions for vertical and horizontal applications as well as cable penetrations, fenestrations and building element connections, including DOWSIL™ FIRESTOP 700 Silicone Sealant.

A distinct advantage

Sealants can play a key role in the system design and help limit the spread of fire and smoke. Silicone technologies are non-flame propagating, do not produce flaming droplets and have a limited non-toxic smoke development. These material properties can be especially beneficial in fire-rated systems and designs and are found in DOWSIL™ FIRESTOP 700 Silicone Sealant, which is suitable for horizontal and vertical linear joints and penetration seals in walls. This product has a fire rating of up to four hours and benefits from the renowned characteristics of silicone sealants such as movement capability, adhesion profile, UV and temperature stability and durability.


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Specifications

Typical Properties

Adhesion to

Anodized Aluminum, Brickwork, Fluorocarbon Coated Aluminum, GRP/GRC, Heat Strengthened Glass, Light-Weight Stone Panels, Low E Coated Glass, Natural Stone, Polyester Powder Coated Aluminum/Steel, Wood

Color

Black, Grey, White

Cure Type

Neutral Cure

Flow/Sag (Slump)

Max 1 mm

Movement Capability

-/+ 50 %

Number of Parts

One

Resistance Type

Ozone Resistance, Thermal Resistance, UV Resistance, Water Resistance

Shelf Life

365 Days

Tack-Free Time-50% RH

90 Minutes

Temperature Range

5 to 40 °C

Type

Sealant

Working Time

15 Minutes