Boss Sealants

BOSS® 322 100% Silicone Sealant is a paste-like, one-component material which cures to a tough, rubbery solid when exposed to moisture in the air. Since it will not flow under its own weight, this sealant can be applied overhead or on sidewall joints and surfaces without sagging, slumping or running off. It will adhere to clean metal, glass, most types of wood, ceramic, natural and synthetic fibre, as well as painted plastic surfaces.

• Sealing in HVAC systems and cold storage containers.
• Sealing trailers, truck cabs.

Available in 300 gms standard caulking cartridge.

BOSS®122 Silicone Sealant is a one-part, acetoxy-cure sealant that is designed for general sealing applications in construction, engineering and automotive segments. It is suitable for use on a variety of common materials such as clean metal, glass, different types of wood, ceramic and plastic surfaces.

• General construction sealing applications.
• Ideally suited for sealing glass windows, shopfront, aluminium joints and showcases.
• General sealing in engineering and automotive industries.

Avaiable in 260 ml & 280 ml standard caulking cartridge.

BOSS® 389+ Weather proofing Silicone Sealant is a construction-grade sealant that provides unmatched adhesion, weather resistance and can be used on a wide variety of materials. It is a one-part, neutral-curing, low-odour sealant.

• Long open time.
• Permanently elastic after curing.
• Weatherproof and waterproof.
• Neutral cure-suitable for use on masonry substrates.
• Non-corrosive.

• Weatherproofing and water proofing applications.
• Sealing of uPVC and aluminium windows.
• General purpose glazing.
• Sealing and bonding glass, glazed surfaces, concrete, galvanized steel, ACP, anodized aluminium, cement, wood, ceramics. painted surface and many plastics.

Available in 290 ml cartridge. Available in 600 ml sausage for specific colours.

BOSS®395AF is a single-component, neutral antifungal silicone sealant which vulcanizes on exposure to moisture in the air at room temperature, to produce a flexible elastomeric sealant. It is easy to apply and offers excellent adhesion to a variety of non-porous substrates such as glass, glazed ceramic tiles and aluminium. It is resistant to ozone, ultraviolet radiation and temperature extremes.

• Contains fungicide.
• Resistant to water, mould, mildew.
• Easy to apply.

• Sealing around washbasins, bathtubs, shower cubicles.
• Sealing all joints in and around sanitary fittings.
• Sealing around kitchen sinks and counters.
• For sealing around doors and windows.
• Sealing joints between wall and floor tiles.

Available in standard 300ml caulking cartridge.

BOSS® 388 Neutral Weatherproofing Silicone is a one-part, neutral-cure, low-odour, construction-grade sealant that offers excellent adhesion, weatherability and compatibility with a wide variety of materials.

• Low odour
• Non-corrosive to metal
• Weatherproof, waterproof
• Excellent primerless adhesion

Sealing and bonding ACP, glass, glazed surfaces, galvanized steel, anodized aluminium, concrete, cement, wood, ceramics and painted surfaces

Available in 280 ml cartridge.

BOSS® 395 Neutral Non-Corrosive Industrial Silicone is a high-performance, one-component sealant formulated for industrial and electrical applications. It remains permanently flexible and exhibits excellent adhesion to a wide variety of substrates.

• Non-Corrosive
• Neutral cure, low odour
• VOC Compliant
• Permanently flexible
• Excellent adhesion to vinyl, wood, steel, aluminium, glass and plastic

• Gasketing application in gear box, engine and other industrial applications, as it has a good resistance to gasoline, engine oil, gear oil & water
• Sealing electrical equipment
• Bonding appliance parts

• FDA CFR 21- 177.2600

Available in 280 ml standard caulking cartridge.

BOSS® 333 is a ready-to-use, multi-purpose, polyurethane foam that expands to three times its original volume when in contact with air. The product also has excellent insulating properties and superb adhesion to virtually all building materials.

• Installation of doors and windows
• Filling of cavities, partition walls, ceiling and floor joints
• Sealing of all openings in roof constructions
• All foam applications in static joints

Available in 750 ml aerosol can.

BOSS® 334 Window & Door Minimal-Expanding Gun Foam is a one-component, ready-to-use polyurethane foam, formulated to seal the gaps around windows and door frames, and other rough openings. It expands in contact with air to generate an effective seal and is proven not to distort or bow window and door frames.

• Installing of doors and windows
• Filling of cavities
• Sealing of all openings in roof constructions
• Improving thermal insulation in cooling systems

Available in 750 ml aerosol can.

BOSS® 813+ Fire Retardant foam is a one-component, self-expanding, ready to use PU-foam, which contains HCFC-free and CFC-free propellants which are not harmful for the ozone layer. The product has fire-retardant characteristics, according to the European standard EN 1366-4.

• High filling capacity- expandable by 35 ltr
• High thermal and acoustic insulation
• Excellent bonding strength

• Installation of fireproof doors and windows
• Sealing of fire-retardant joints
• Sealing gaps in electric installations

• Tested according to standard EN 1366-4 for fire-resistant jointing
• Classification report according to EN 13501-2 by Warrington Exava (report nr.19660A)

Available in 750 ml aerosol can.

BOSS® PU 50 is a fast-curing, one-component, moisture-curing polyurethane adhesive sealant, that turns into a flexible and durable elastomeric seam and has a very good adhesion to most industrial materials.

• Medium open-time
• High viscosity
• Applicable in warm and humid climate
• Permanently elastic after curing
• Good weatherability and UV resistance
• Watertight

• Supple bonding and sealing in vibrating joints in automotive industry bus body, caravans & containers
• Adheres without primer to the most common substrates, such as glass, anodized aluminium, lacquered metal, wood, FRP and concrete

Available in standard 600 ml sausage.

BOSS® PU 25 is a one-component, moisture-curing, polyurethane sealant. It cures into a flexible, durable, and weather-resistant elastomeric sealant that has very good adhesion to most construction and industrial materials.

• Medium open time
• High viscosity
• Applicable in warm and humid climate
• Permanently elastic after curing
• Good weather and UV resistance

• Supple bonding and sealing in vibrating automotive industry – bus body, caravans & containers
• Bonding of panel, ACP, roofing sheet etc
• As seam sealer with traditional weld or spot weld

Available in standard 600 ml sausage.

BOSS® PU LM is a polyurethane adhesive sealant that is fast-curing, one-component and moisture-curing. Once set, it turns into a flexible, durable and resistant elastomeric seal and has a very good adhesion to most industrial materials.

• Easy to apply
• Permanently elastic after curing
• Very good adhesion on many materials
• Excellent resistance to UV radiation
• Excellent resistance to many chemicals

• All usual building joints with high movement
• Connection joints between window frames, door frames and walls
• Joints with large movement

Available in standard 600 ml sausage.

BOSS® 236 is a high-quality, neutral, elastic, one-component adhesive sealant based on Hybrid technology with a very high initial tack.

• Fast curing
• Good extrudability
• No odour
• Good weatherability and UV resistance
• High initial tack, reducing the need for initial support
• High shear strength after full cure (no primer)
• Stays elastic after curing

• Elastic bonding of panels, profiles and other pieces on most common substrates (wood, MDF, chipboard, etc)
• Elastic structural bonding in automobile and container industry

Available in standard 600 ml sausage.

BOSS® 238 is a high-quality, elastic, adhesive sealant for bonding and sealing, based on Hybrid technology. It has a good adhesion on plastics: polystyrene, potycarbonate, PVC, ABS, polyamide, fiberglass reinforced epoxy and polyester.

• Paintable
• No bubble formation in sealant
• Good weatherability and UV resistance
• High elasticity

• HPL Cladding
• Structural bonding in vibrating constructions
• Bus, train and trucks: side-glass bonding, Volvo extrusion
• Roof panel bonding

Available in standard 600 ml sausage.

BOSS® GP silicone sealant is a one-part, acetoxy cure, adhesive sealant that is suitable for general sealing and bonding applications. This product will adhere to clean metal, glass, many types of wood, silicone resins, vulcanized silicone rubber, ceramics, and plastic surfaces. The product also cures at room temperature in the presence of atmospheric moisture to form a permanently flexible silicone rubber.

• Cured sealant stays rubbery without tearing, cracking, or drying out.
• Ease of use, one-part sealant, no mixing required.
• Excellent primer-less adhesion to most non-porous materials.
• Good weather resistance.
• Wide temperature applicability.

• Elastic joints in cold store and container applications.
• Sealing around metal, glass, UPVC, most types of woods, and ceramics.
• Sealing glass, glass windows, shopfront, aluminium joints, showcases, bus-body building, and automobiles.
• Sealing in air-conditioning systems.

Available in standard 280 ml caulking cartridges.