DDSEAL Rigid Duct Intumescent Sealant – available in 310ml size

DDSEAL sealant is a waterborne one-part fire resistant and acoustic rated joint sealant which provides a firm, yet flexible seal to joints in a wide variety of fire-rated structures where fire resistance up to 4 hours
is required. Its special intumescent properties cause the sealant to swell up and char in the presence of heat, preventing the spread of smoke and fire through the joint.

Sealing joints, voids and irregular holes where fire resistance up to four9 hours is required
Ideal for sealing joints, voids and irregular holes in fire walls, partitions, door architraves, service penetrations, floors and other structures
For bedding of hinges and locks in fire doors
For perimeter sealing of internal, fire rated screens, partitions, service penetrations and door or window frames
To maintain integrity when sealing around pipes, services and cable
Sealing fire rated ductwork

Key Features

• Good adhesion to timber, plasterboard, masonry, blockwork, plaster, concreteb and many other common building surfaces.
• Up to four hours fire resistance.
• Over-paintable with solvent and water based paints.
• Suitable for horizontal and vertical joints without compromising fire rating performance.
• For use in joints up to 50mm.
• Water based, solvent and halogen free, water clean up.
• Reduces sound transmission in joints.
• Formulated using a special acrylic emulsion to provide a firm seal whilst retaining a degree of flexibility.
• Joint movement capability of ±12.5%.
• Will not support combustion.
• Colour: white.