Join paste fast and slow

Join paste fast and slow

Special paste for gypsum board unions

What is this product?


This paste is specially indicated for fixation and rejointment of gypsum board in interior walls.



White powder to mix with water.

Excellent workability for interiors.

High performance.

Suitable thicken for gypsum board rejointment.

Mechanic or manual application.

How to prepare?


1- Pour the water in a bowl and then, the product in an approximated proportion of 12 litres each 25 kgs.

2- Mix by hand or with a mixer machine (better slow, 500 rpm) until getting a creamy paste.

3- Let it repose 5 minutes for the additives to act correctly.

4- Mix energically until getting a proper density.


Notes: A shaking excess might cause an forging process acceleration.

Never use more water than recommended nor add more water after the paste settles.

How to use?


Is specially designed for gypsum board treatment, combinated with union tape.

Before sealing the joints, not completely jointed boards must be refilled.

The product application uses to be manual, introducing the product between the joints with a little spatula and placing a union tape afterwards.

The product gives the chance of mechanic work.

Once the joint is filled, cover and plaster the product area, let dry and cover the tape.

Cover the screws' heads.

Apply the tape by the ceiling.

Use armed tape or metallic angular profile for out vertical angles (corners).

Joint paste can be used to repair little damages made in the board placing, as well as maintenance works.

Where to use?


Gypsum board rejointment, combinated with union tape.

Specially suitable for all kind of gypsum board with or without insulators, with lowered edges and cardboarded faces.

Do not use: On wet or frosted surfaces.

Technical data: Join paste fast and slow




Mixing water

Cracks determination according to UNE-EN 13693

Adherence determination according to UNE-EN 13693

Forging time Join paste slow

Forging time Join paste fast

Temperature during application

Stockage (from manufacturation date, under cover, in adry place)



White powder

25 kgs bag

12 litres each 25 kgs

No cracks

0,31 N/mm2

When dry

2-3 hours

Min 5°C, max 32°C

12 months



Organic and unorganic additives
Plastifiers and impermeabilizers



Product components are not toxic.

It must be worked with gloves, avoid powder inhalation and contact with eyes and skin.

Keep away from children or animals.

First Aid


Skin: Wash with plenty of water

Eyes: Wash with plenty of water

Ingestion: Rinse with water and drink plenty of water

This technical data is written according to our knowledge and essays and doesn't assume any commitment. It's on customer's responsibility the admission and control in the distributor's warehouse or construction, as well as the election of the product to be used on each case. Manufacturer's responsibility is limited to manufacturation defects and for the value of the merchandise because it's out of his control the material election and the working conditions. Technical data for 2009.