Product Advantages
• Highly resistant to external weather conditions and negative adverse impacts.
• Fit for use in joints with flexibility by up to 25 %.
• Preferable especially on account of the minimum resistance it applies to the structure in the case of expansion joints.
• UV resistant.
• Free from affects caused by temperature changes and chemicals.
• Cured without bubbling.
• Maintains elasticity for a long period of time without any loss in volume.
• Allows for paint application thereon subsequently.
• A ready to use product which is applied easily and rapidly.
Usage Areas
- Megaİzo PU Mastik LM is used to fill the expansion joints of buildings and heavy structures for sealing and permanent elasticity purposes. It is used, particularly, for the joint spots of precast elements, roofs, rainwater gutters, the joint spots and seams of rainwater drainage pipes, antenna and chimney flashings to prevent leakage. It is suitable for use on horizontal and vertical surfaces of indoors and outdoors spaces.
Application Procedure
- Application Surfaces
Indoors and Outdoors Walls;
Cement based plaster
Concrete
Ceramic
Plaster
Natural rock
Marble
Wooden
Aluminum
Metal plate
Brick
Enameled surface
Indoors and Outdoors Floors;
Cement based trowel coating
Concrete
Ceramic
Plaster
Natural rock
Marble
Wooden
Aluminum
Metal plate
Brick
Enameled surfaceSurface Preparation :
Application surfaces should be sound, clean, dust-free, and free from molding oils and other foreign substances. Such layers that would reduce adherence as oil, grease, dirt, paint, cement foam and rust should be thoroughly cleaned prior to application.
The surfaces, on which Megaİzo PU Mastik LM is to be applied, should be cleansed of oil and dirt with water and solvent-based cleaning supplies. The surfaces should be sanded or sandpapered where considered necessary.
Megaİzo PU Mastik HM adheres excellent to many surface types even without the need for primer application. However; in the cases, where the surface cannot be cleaned from dust completely or is likely to be exposed to high mechanical impact, joint butts should be applied MegaFilm İzo PU or MegaFilm İzo Epo, the surface preparation primer.Application Methods :
• Sausage formed Megaİzo PU Mastik LM should be placed into a gun with a suitable headpiece, and the gun should be directed through a 45o angle.
• Megaİzo PU Mastik LM should be applied continuously at a slow rate, making sure the product fully contacts the joint butts and any air void is not allowed.
• Megaİzo PU Mastik LM should, once the surface is filled, be smoothed by applying slight pressure toward the edges of the joints, making sure any overflowing is prevented, and should so be ensured to adhere to the edges.Application Recommendations :
• Especially in the case of deep joints, the product should be applied with porous backing rod in order to control the thickness and prevent trilateral bonding.
• In the cases, where sharp edge lines or very clear joint edges are desired on the surfaces, on which Megaİzo PU Mastik LM is to be applied; masking tape should be used. The masking tape should be removed before the mastic is cured.
• In the cases where paint application is intended on Megaİzo PU Mastik LM, a compatibility test is recommended to be conducted in advance.
• Megaİzo PU Mastik LM should be consumed rapidly after the opening of the package as the curing of the product begins upon contact with air.
• The product should not be applied to such surfaces, which are exposed to risk of freezing within the next 24 hours, which are frozen or the frost of which is thawing.
• The product should not be applied in rainy weather conditions, and the application surface should be preserved from rain for a period of 24 hours.
• Refer to our technical support hotline for recommendation on different surface applications. (PHONE: 444 4 595)Surface and Ambient Temperature
The surface and ambient temperature should be between +5°C and +35°C whilst at application.
- Application Surfaces
