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SIKAFLEX

Sikaflex Caulk

Sikaflex caulks are the industry leaders in structural sealants because of their high quality and professional grade performance. Sikaflex 1A, 15LM, 1CSL, 2C SL, 11FC, and others are formulated for excellence in specific applications. This page is a product guide to help you determine which variety of Sikaflex you require for your project. If you already know what you are looking for, click through to our webstore.

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Superior adhesion: Sikaflex sealants will bond to more surfaces, particularly porous substrates such as concrete and masonry, without the use of primer. It is an accepted fact that Sikaflex polyurethanes have superior wetting action in achieving a bond to various substrates under jobsite conditions.
Dirt resistance: Because of their exclusive chemical design, Sikaflex sealants exhibit far less dust and dirt pick-up during cure and over the lifetime of the building.
Substrate staining: Sikaflex sealants possess an extremely stable consistency and will not stain or discolor virtually on any common substrate.
Paintability: Sikaflex sealants can be treated with most coatings and paints without the risk of delamination.
Water immersion: Many Sikaflex sealants can be placed in totally immersed environments without being affected by the action of the water.

Sikaflex Caulk

Sikaflex 1A is the most versatile sealant in the Sikaflex line, suitable for small joints and fillets, vertical and horizontal joints, and even submerged underwater conditions. Sikaflex 15LM is ideal for moving joints in vertical applications because of its high adhesion and low modulus elasticity. Sikaflex 1CSL is used primarily to seal horizontal expansion joints in concrete and cement slabs, due to its self leveling pourability, high adhesion, and high durability. Sikaflex 2C SL is a multi purpose self leveling sealant often used for horizontal joints. Sikaflex 2C NS is used for moving vertical and horizontal joints in submerged underwater conditions, with a chemical cure that allows it to be used for joints exceeding 1/2" when necessary. Lastly, Sikaflex 11FC is an elastic adhesive and joint sealer used for air ducts, holding tanks, cover plates, and more. Check out our product guide below for more details.

Sikaflex 1A

Sikaflex 1A

Sikaflex 1a is a premium-grade, high-performance, moisture-cured, 1-component, polyurethane-based, non-sag elastomeric sealant. Meets Federal specification TT-S-00230C, Type II, Class A. Meets ASTM C-920, Type S, Grade NS, Class 35, use T, NT, O, M, G, I; Canadian standard CAN/CGSB 19.13-M87.

Uses:
• Designed for all types of joints where maximum depth of sealant will not exceed 1/2 in.
• Excellent for small joints and fillets, windows, door frames, reglets, flashing, common roofing detail applictions, and many construction adhesive applications.
n • Suitable for vertical and horizontal joints; readily placeable at 40°F.
• Has many applications as an elastic adhesive between materials with dissimilar coefficients of expansion.
• Submerged conditions, such as canal and reservoir joints.

Advantages:
• Eliminates time, effort, and equipment for mixing, filling cartridges, pre-heating or thawing, and cleaning of equipment.
• Fast tack-free and final cure times.
• High elasticity - cures to a tough, durable, flexible consistency with exceptional cut and tear -resistance.
• Stress relaxation.
• Excellent adhesion - bonds to most construction materials without a primer.
• Excellent resistance to aging, weathering.
• Can be applied to green concrete 24 hours after pour.
• Can be applied to damp concrete 1 hour after getting wet.
• Odorless, non-staining.
• Jet fuel resistant.
• Certified to the NSF/ANSI Standard 61 for potable water.
• Paintable with water-, oil- and rubber-based paints.
• Capable of ±35% joint movement.

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Sikaflex 15LM

Sikaflex 15LM

Sikaflex 15LM is a low-modulus, high-performance, 1-component, polyurethane-based, non-sag elastomeric sealant. Meets Federal Specification TT-S-00230C, Type II, Class A; ASTM C-920, Type S, Grade NS, Class 100/50, use T, NT, G, M; Federal Specification for silicones - TT-S-001543 A, Type non-sag. Tested in accordance with ASTM C-1382 for use in EIFS Systems.

Uses:
• Excellent for moving joints in vertical applications.
• Suitable for use between similar as well as dissimilar materials.
• Typical applications include joints in concrete panel and wall systems, around window and door frames, reglets, flashing, common roofing detail applications, etc.
• Exceptional sealant choice for high-rise and facade applications where high movement capability is required.
• 2- and 3-hour UL Fire Rated Joint System Nos. FF-S-0007, FF-S-0037, FW-S-0015, FW-S-0018, HW-S0076, HW-S-0095, WW-S-0011 and WW-S-0060.
• An effective sealant for use in Exterior Insulation Finish Systems (EIFS).

Advantages:
• Low modulus of elasticity.
• Eliminates time, effort, waste, and equipment clean-up.
• Cures to a durable, flexible consistency.
• Exceptional cut and tear resistance.
• Stress relaxation.
• Excellent adhesion.
• Bonds to most construction materials without a primer.
• Paintable with water, oil, and rubber based paints.
• Excellent resistance to aging, weathering.
• Jet fuel resistant.
• Non-leaching.
• Capable of +100% / -50% joint movement

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SikaFlex 1CSL

Sikaflex 1CSL

Sikaflex 1CSL is a single component, self-leveling, premium-grade polyurethane sealant with an accelerated curing capacity. Meets Federal Specification TT-S-00230C, Type 1, Class A. Meets ASTM C-920, Type S, Grade P, Class 25, use T, NT, M, O, G, I.

Uses:
• Sikaflex 1CSL is used to seal horizontal expansion joints in concrete and cementitious slabs.
• Sidewalks, balconies, pavements, terraces, warehouses, factories, civil structures, plazas, pitch pans, and more.

Advantages:
• 1-component, no mixing
• Self leveling, pourable
• Accelerated curing
• Can be applied to green concrete 24 hours after pour
• Can be applied to damp concrete 1 hour after getting wet
• Extremely elastic
• High durability
• Excellent adhesion
• Jet fuel resistant

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Sikaflex 2C SL

Sikaflex 2C SL

Sikaflex 2C SL is a 2-component, premium-grade, polyurethane-based, elastomeric sealant. It is principally a chemical cure in a self-leveling consistency. Meets ASTM C-920, Type M, Grade P, Class 25, use T, NT, M, G, A, O, I and Federal Specification TT-S-00227E, Type I, Class A.

Uses:
• Intended for use in all properly designed working joints with a minimum depth of 1/4 inch.
• Ideal for horizontal applications.
• Placeable at temperatures as low as 40°F.
• Aheres to most substrates commonly found in construction.
• Submerged conditions, such as canal and reservoir joints.

Advantages:
• True self leveling properties.
• Capable of ±50% joint movement.
• Chemical cure allows the sealant to be placed in non-moving joints exceeding 1/2 in. in depth.
• High elasticity with a tough, durable, flexible consistency.
• Exceptional cut and tear resistance.
• Exceptional adhesion to most substrates without priming.
• Self-leveling consistency, easy to apply in horizontal joints.
• Paintable with water-, oil-, and rubber-base paints.
• Jet fuel resistant

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Sikaflex 2C NS

Sikaflex 2C NS

Sikaflex 2C NS is a 2-component, premium-grade, polyurethane-based, elastomeric sealant. It is principally a chemical cure in a non-sag consistency. Meets ASTM C-920, Type M, Grade NS, Class 25, use T, NT, M, G, A, O, I and Federal Specification TT-S-00227E, Type II, Class A. Tested in accordance with ASTM C-1382 for use in EIFS Systems.

Uses:
• Intended for use in all properly designed working joints with a minimum depth of ¼ inch.
• Ideal for vertical and horizontal applications.
• Placeable at temperatures as low as 40 °F.
• Adheres to most substrates commonly found in construction.
• An effective sealant for use in Exterior Insulation Finish Systems (EIFS).
• Submerged environments, such as canal and reservoir joints.

Advantages:
• Capable of +50 % joint movement.
• Chemical cure allows the sealant to be placed in joints exceeding ½ in. in depth.
• High elasticity with a tough, durable, flexible consistency.
• Exceptional cut and tear resistance.
• Exceptional adhesion to most substrates without priming.
• Non-sag even in wide joints.
• Certified to the NSF/ANSI Standard 61 for potable water.
• Paintable with water-, oil-, and rubber-base paints.
• Jet fuel resistant.
• Cold weather booster for initial tack.

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Sikaflex 11FC

Sikaflex 11FC

Sikaflex 11FC is a one-component, gun-grade, adhesive and sealing compound of permanent elasticity. This dual-purpose material is based on a special moisture-cured polyurethane with an accelerated curing time.

Uses:
An elastic adhesive for:
• Cover plates, gaskets and coverings.
• Acoustic ceiling tiles.
• Floor mouldings and door sills.
• Light weight construction materials.
• Wood or metal and door frames.
• Roof tiles.
As an elastic joint sealer for:
• Air ducts and high vacuum systems.
• Containers, tanks, and silos.
• Gaskets in openings in walls or floors for ducts, piling, etc.
• Reservoirs or water retaining structures.
• Aluminum fabrication.
• Bolted lap joints.

Advantages:
• Excellent adhesion on all cement-based materials, brick, ceramics, glass, metals, wood, epoxy, polyester and acrylic resin.
• Fast cure rate.
• Good weathering and water resistance.
• Non-corrosive.
• Can be painted over with water, oil, and rubber-based paints. (Preliminary tests recommended).
• High durability.

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