Features of Makroflex FR77 polyurethane foam

Almost always, construction work is carried out using foam, because it is needed for high-quality sealing of various joints. Quite often it is necessary to use fire-fighting foam - in this case, you can pay attention to Makroflex products.

The brand began manufacturing this product 30 years ago. During this time he mastered the production of polyurethane foam, glue, cleaning fluids, tools and sealants of various types. Production takes place at factories in Finland and Estonia, and it is in demand throughout Europe, as it is famous for its excellent quality.

The brand cares about consumers, so it constantly develops new products using the latest technologies, trying to achieve uncomplicated use and improve their operational properties.

One of the great products is Makroflex FR77 fire resistant foam. It is available in 750 and 1000 ml bottles, is suitable for many types of work, provides heat and sound insulation, and also has a good level of adhesion to most materials.Since foam is a fire-resistant material, it is advisable to use it for sealing joints in structures where fire safety must be observed. It can be public places, residential apartment buildings and private houses, industrial premises.

This one-component professional foam is used with a pistol, which allows for more accurate dosage and control flow.

You should know that the filling of large voids should be carried out in several stages, since complete solidification occurs after about 24 hours, and primary processing can be carried out in 20-30 minutes. Moisture is required for curing. If the ambient humidity is less than 60%, then the surface should be moistened. When there is ice or frost on the surface, the work cannot be done.

Before applying the foam, the surface must be cleaned.

Before starting work, the cylinder is kept for 10-12 hours at a temperature of 18-20 degrees. Immediately before use, you need to shake it several times.An open bottle must be used within a month. It is unacceptable to heat the cylinder to +50 degrees and above - it is explosive.

When working with foam, you need to apply personal protective equipment to the skin and eyes.

The main characteristics are the following indicators:

• fire-resistant - withstands open flame for 4 hours;
• has the highest class of fire resistance - not only does not sustain combustion, but also retains its properties;
• perfectly performs the function of heat and sound insulation;
• adheres well to concrete, stone, metal, wood and other building materials with the exception of polyethylene, teflon, silicone;
• 750 ml bottle gives 45 liters of foam;
• used at temperatures from +5 to +30 degrees;
• frozen foam can withstand low temperatures (up to - 40 degrees);
• possesses water-repellent properties;
• resistant to mold;
• has a long lifespan if protected from UV light.

Foam can be stored for a year at a temperature range from +5 to +25 degrees.

Also, the foam is not suitable for use at low temperatures.

You will learn more about Makroflex foam by watching the following video.

Due to its properties, Makroflex FR77 is quite widely used. First of all, it is the provision of fire protection for doors, walls and windows of structures, which must be fire resistant.

Also with its help:

• channels for cables and pipes in the wall or ceiling are sealed;
• cracks and holes in the ventilation ducts are filled;
• various seams and cracks are sealed;
• the joints of the roof structures are sealed;
• soundproof screens are created;
• gaps near pipes are sealed;
• building parts are mounted;
• insulating materials are glued;
• fixed pipes for heating and sewage.

Consumers leave a lot of feedback on Makroflex FR77, which are mostly positive.Users say that, although the foam is professional, it is convenient to use even for an inexperienced person. The gun dispenses the foam output, but it must be periodically cleaned. Consumers say that the balloon gives the specified product yield.

It is also noted that the products meet all the declared characteristics. Foam was applied on surfaces made of different materials, and it fastened them perfectly.

Many people advise moisturizing the coated surfaces to improve the connection. Also, people are advised to immediately remove the drops of foam that have fallen on other places, otherwise then they will be almost impossible to clean. As a way out of the situation, it is recommended to cover these surfaces with polyethylene.

One of the recommendations is to use gloves and other means of protection when working.

Consumers like that foam is excellent for leveling seams and filling empty spaces, provides a high level of fire safety in rooms where children are often located.

People are happy that foam is durable and retains its properties well. However, they caution that products are subject to degradation from exposure to ultraviolet rays,therefore, it is desirable to cover it with any composition. It is also noted that it can not be applied at sub-zero temperatures.

Products are affordable and have a great price-performance ratio.