Refusal to accept return of defective product..

6 Months ago I bought a Techniblock product form Kalahari (now Takealot). The product was never used or opened and safely stored in a cupboard at room temperature. Two nights ago, I heard what sounded like a gas leak, coming from the cupboard where it was stored. The product had leaked out all over the inside of the cupboard.<br> <br> Since the product was in a pressurised container, and was at risk of potentially exploding, I covered it with a thick towel before removing it from the cupboard where it was stored. Once the product had finished venting, I checked to see when the expiry date was... SEPTEMBER 2016!<br> <br> The product was obviously defective, so I submitted it for return to Takealot, and was refused by Jason Petersen, apparently for the following reason:<br> <br> [\* We can't offer exchanges