Sika Sikadur 33 2 Gallon Unit

Sikadur 33 is a 2-component, 100 % solids, moisture-tolerant, high-modulus, high-strength, structural, smooth-paste epoxy adhesive. Used to seal cracks and to secure injection ports in structural concrete and wood trusses prior to pressureinjection grouting.

New smooth-paste consistency for vertical, horizontal and overhead crack sealing.
Very rapid curing, even in thin film, for faster pressure-injection grouting.
Injection may proceed as soon as 1 hour after application.

$465.68

SKU

17829

Sika Sikadur 33 – High-Strength, Rapid-Curing Structural Epoxy Adhesive

Sika Sikadur 33 is a two-component, 100% solids, moisture-tolerant, high-modulus, high-strength, structural epoxy adhesive designed for vertical, horizontal, and overhead crack sealing. This smooth-paste epoxy rapidly cures, allowing injection work to proceed within an hour. It conforms to ASTM C-881 and AASHTO M-235 specifications and is ideal for bonding concrete, sealing cracks, and securing injection ports prior to pressure-injection grouting. With excellent adhesion, impact resistance, and fast-setting properties, Sikadur 33 is a reliable choice for structural repairs in demanding environments.

Key Features:

High-modulus, high-strength structural epoxy adhesive
Rapid curing, even in thin films, for faster repair applications
Moisture-tolerant during application and curing
Excellent adhesion to concrete, masonry, and wood
Injection-ready within an hour of application
Ideal for vertical and overhead crack sealing
Conforms to ASTM C-881, Types I and II, Grade 3, Class B/C
Non-sagging, smooth-paste consistency for easy application

Applications:

Sealing cracks and securing injection ports prior to grouting
Structural bonding of concrete, wood, and masonry
Vertical, horizontal, and overhead applications
Anchoring bolts, dowels, and rebar
Structural crack repair in bridges, parking decks, and buildings

Technical Specifications:

Property	Value
Packaging	2-gallon unit
Color	Concrete gray
Shelf Life	2 years in original, unopened containers
Compressive Strength (ASTM D-695)	9,400 psi (64.8 MPa) at 28 days
Tensile Strength (ASTM D-638)	3,300 psi (22.7 MPa) at 1 day
Modulus of Elasticity in Compression	9.6 x 10⁵ psi (6,600 MPa) at 28 days
Pot Life	Approximately 15 minutes
Cure Time (Tack-Free)	25–30 minutes at 73°F

Frequently Asked Questions:

How soon after application can injection grouting begin?
Injection grouting can proceed as soon as one hour after Sikadur 33 is applied.

Can this product be used in overhead applications?
Yes, Sikadur 33 is formulated as a smooth-paste consistency suitable for vertical, horizontal, and overhead crack sealing.

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