Morcem^® Pasta Juntas lista al uso

Composition

Product based on of inorganic mineral loads, calcium sulphate and additives

Features and applications

• Application with jointing tape for complete joint treatment (filling and finishing) in plasterboard systems. 
• Plastering over screw heads.
• Forms a smooth and flat surface.
• Drying period between 12 and 48 hours depending on the environmental conditions.
• Prepares the surface for decoration works
• Reparation of areas that may have sustained minor damaged during installation or to correct slight irregularities in the boards.
• Easy and comfortable to use
• Easily cleaned.
• Manual or mechanical application.
• Not suitable for tapeless joints treatments.

Features and applications

• Slightly mix MORCEM PASTA JUNTAS LISTA AL USO, prior to the use to to obtain a homogeneous consistency, either manually or mechanically. In the latter case, the stirring time should not exceed 30 sg.
• Fill the joints with the paste and apply the jointing tape.
• Flatten with a spatula and remove the excess. Remove any lumps, bulges or air pockets under the tape.
• Leave until it is completely dry. Apply successive layers of paste according to the required level of finish, complying with the drying period between layers.
• Apply 2 to 3 layers of paste on screw heads.
• Use edge protectors and joint tapes on corners.
• Each coat should be a slightly wider than the previous one.
• Apply the decoration layer after the treatment of the joints ensuring that the applied paste is completely dry, free of dust and clean.
• Water absorption of the boards and the paste must be regulated before the finish layer using a primer or plaster recommended by the manufacturer.

Substrates

• Laminated plasterboards.
• The supports should be resistant, stable, healthy and clean, free of dust, remnants of release agents, organic products, etc.

Cautions and recommendations

• Do not apply below 5ºC nor above 30ºC.
• It should not be applied in cases above 85 % of humidity.
• In case of high humidity levels, the use of dehumidifiers may be required.
• It is necessary to comply with the drying times between layers to avoid shrinkage and cracks.
• Longer mixture times can lead to loss of consistency and difficulty during application.
• Do not use tools with remnants from other mixtures.
• Do not mix with other products.
• Do not apply or mix the product when there is risk of frost.
• Icy temperatures or high relative humidity can reduce the adhesion of the paste.
• The area in which the product is going to be applied should be sufficiently ventilated, to avoid excess humidity.
• Not suitable for tapeless joint treatment.
• Do not mix with any other paste or products.

Packaging

5 and 20 kg containers
Shelf life: 1 year in sealed original packaging, sheltered from weather conditions and humidity.

Technical data

* Approximate consumption by m2 of finely adjusted edges, without taking into account peripheral joints or waste.

Note