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The PR102 joint backer rod from illbruck is a professional sealing material made from polyethylene. It is used to backfill joints of all kinds. No matter whether it's construction expansion joints, connection joints or profiled glass seals, the PR102 can be used almost anywhere indoors and outdoors.
The surface structure of the joint backer rod is closed-cell, so that the round profile made from polyethylene foam corresponds to the DIN 18540 standard.
In addition, it is certified according to DIN 4102Part 1 and classified to B2. This means that it is normally flammable. Furthermore, it withstands temperatures from -40°C to +100°C. With a diameter of 20 mm, thePR102 is suitable for joints with a joint width of 12-15 mm and a joint depth of at least 30 mm.
A total of 150 m of the joint backer rod are rolled up in one piece on the roll.
The water-repellent joint backer rod can be used in joints quickly and easily.
The closed-cell joint backer rod limits the joint depth, which means that fewer sealants, such as silicone, have to be injected with a gun. In addition, the sealing compound adheres much better to the joint flanks in connection with a joint backer rod than without, since the interaction of the two sealing elements prevents 3-surface adhesion. It is important that the PR102 is not attached using a pointed object. This can damage the gas-tight skin and gas bubbles can form in the sealant.
A joint backer rod does the preparatory work, while the foam from a foam gun is responsible for the precision work and completes the seal. When buying a joint backer rod, you should always remember that additional foam and a foam gun are also required. It is also important to remember that foam guns require regular internal and external cleaning.
There are special cleaners for foam guns that effectively remove dirt and residue from them.
There are also special cleaners to remove fresh polyurethane foam.
At windows24.com, you will not only find sealing materials, but also the corresponding accessories at reasonable prices in order to efficiently mount them in your house.