Smoothing bumpers/plastic

[P3T3_92]

just got maself a corsa b as my 2nd car, was lookin to smooth the front and rear bumpers, there the black ones for the time bein and wondered what product would be the best to do it with as i know they have to be able to flex and expand in the heat anyone got any ideas of which products are good or pictures of there cars that they used the product on?

[jordyp]

fibreglass and filler mate, takes a while but worth it in the end, i done my rear bumper with filler and it cracked a wee bit from where a hit it lol, but its been out in weather for about a month i know its stupid but i needed a bumper on it lol