Mapei Eporip - 2 Part Adhesive Crack Repair and Cementitious Bonding

Mapei Eporip is a two component solvent-free epoxy adhesive for construction joints and for monolithic sealing of cracks in screeds.

Best Uses

Mapei Eporip is suitable for use for construction joints for the structural reinforcement of beams and pillars, decayed industrial flooring, rigid waterproof constructions joints, or for sealing cracks in cement screeds.

Eporip is a slightly thixotropic paste that can be applied to both horizontal and vertical surfaces for filling cracks in concrete, bonding steel to concrete, bonding precast concrete elements or for monolithic construction joints between fresh and hardened concrete.

Mapei Eporip polymerises without shrinkage and, after curing, is waterproof, possesses excellent dielectric properties and high mechanical characteristics in addition to its ability to bond concrete and steel.

• Suitable for application to horizontal and vertical surfaces
• Bonds steel to concrete
• Suitable for filling cracks in concrete
• Do not cast fresh concrete onto hardened Mapei Eporip
• Do not use Mapei Eporip on dusty, crumbling or loose surfaces

Application

Preparation of the substrate
Before the application of Eporip, the substrate must be perfectly clean, solid and strong. All loose and crumbling parts, dust, cement laitance and traces of form-release oils and paint must be eliminated by careful sandblasting or brushing. When applying the product to metal, remove any rust and grease residues beforehand, preferably by means of sandblasting to white metal.

Preparing the mix
The two Eporip components have to be mixed. Pour component B (white) into component A (grey) and mix with a trowel for small quantities or with a drill fitted with a low speed stirrer for large batches until the mix is perfectly smooth and even (the same grey all through). Do not use partial amounts to avoid the risk of accidental ratio errors that could prevent Eporip from curing.

Applying the mix
Eporip can be applied with a flat trowel or a brush on dry or slightly damp concrete. It is advisable to let the product penetrate well into particularly uneven and porous areas so as to ensure perfect adhesion to the whole surface being treated. The subsequent layer of fresh concrete must be placed within the open times according to the temperature indicated in the technical data table. When Eporip is used to seal cracks wider than 0.5 mm, simply placing is sufficient. In this case, it is recommended to spread sand over the Eporip surface in order to favour bonding of product that may be applied subsequently. If the cracks are narrower than 0.5 mm, they have to be widened and then dusted well before repair work with Eporip. Do not use Eporip when the outside temperature of the substrate is lower than +5°C.