He defies gravity and the elements to fix your leaky window frames. No sooner the call and he's there; well within a couple of weeks. Yes folks, with his trusty 'mastic gun' in hand the job's soon done and payment to our hero is made. Accompanied by the squealing of tyres, he's back in his Mastic-Mobile and gone. And as with any super hero, you didn't even have time to thank him; er, or check the standard of workmanship! ..."Mum the window still leaks!"