The world�s first spider-proof shed! home & garden september 14, 2015 april 21, 2016. by stacey priestley. for the 25 per cent of brits too scared to venture into their sheds due to arachnophobia*, the launch of the world�s first spider-proof shed will be music to their ears.. The spider proof shed has been intelligently and carefully designed to repel spiders. unlike your standard garden shed, the whole space is air tight. as we all know, spiders like to crawl their way through the smallest cracks and holes so we�ve taken extreme care to cover any potential areas that spiders can come through and we've even. Now a company has promised to make garden sheds "spider-proof". tiger sheds says its model - at