![]() Use a spreader like a squeegee to carefully smooth out the filler. Apply a liberal amount of repair material to the damaged area so that you make the surface a little higher than surrounding bumper.Remove the masking tape and sand down the damage at the front to make the area a little low and create a rough surface for bonding.Smooth it out and allow the filler to harden for the time stated on the pack instructions before you start work on the front of the bumper. Apply a liberal layer of filler over the mesh to completely cover it.Attach the mesh over the damage to pin the two sides of the crack in place. Next, take the bonding mesh and cut it to size, leaving it to extend one inch past all sides of the damage.Bear in mind that plastic bumper filler usually starts drying quite quickly, so you will need to work fast here. Then apply a good layer of plastic filler material, spreading it out over and beyond the area needing the repair.Some kits contain a solution to help the filler bond to the plastic – apply this first and allow to dry. Now you’ll need to repair the back of cracked bumpers.If your bumper is cracked or split, line up the two sides so they sit level and hold in place on the front side with strong masking tape.Wipe away the dust with a slightly damp cloth. Then sand the area by hand with 80 grit sandpaper to remove raised or sharp edges and leave a somewhat rough finish – this will give the filler something to bond with. If any shards of plastic are sticking up, carefully remove them with a knife or blade. Allow to dry and wipe down with solvent wipes, which are usually included in the kit. ![]() Any dirt or grease will stop the filler bonding properly and ruin the appearance of the repair. Thoroughly clean the bumper inside and out.Make sure you work in a dry place like a garage and take your time with the process – it can be fiddly but rushing it will create a bad finish. However, any cracks or splits should be repaired from the front and back. If your plastic bumper has scuffs and scratch damage, the repair can be carried out just on the front side of the bumper. But if you want to double-check, the bumper should have a stamp on the inside telling you what type of plastic it’s made of – then you’ll need to speak to your local car parts shop to find out which product is best for you. ![]() Most bumper repair kits are suitable for most types of plastic bumpers. You should also choose a dedicated bumper repair kit which uses a filler that’s meant to be flexible and move with the plastic, preventing future cracks in the bumper.Īnd remember that the kits don’t contain paint and finishes – this needs to be bought separately. These are a good idea because they contain all the materials you need and will be compatible, rather than trying to purchase products separately. If you are thinking of trying to fix the damage yourself, there are a range of plastic bumper repair kits available. It involves sanding, sealing, sculpting and painting, so it’s not a job for DIY novices. But if your bumper is cracked or split, the repair process becomes more complicated as you need to seal the split. You may be able to repair plastic bumper scuffs and scrapes with a DIY kit at home. This means the damage is usually cheaper and easier to fix than it would be on metal and chrome bumpers. ![]() The good news is that most modern bumpers are plastic covers, with steel structures hidden further back. A slight wrong move during a manoeuvre or a simple reversing accident and you can end up with scuffs, scratches and even cracks. How to Use a Plastic Bumper Repair Kit to Fix Scuffs and CracksĬar bumpers are so prone to being damaged. ![]()
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