Vangard Metal Shed Green. Our Metal garden storage boxes need to be strong & robust. The Vangard is just that Built from very thick, heavy gauge galvanised steel panels with a heavy duty integral metal floor & large double door access, the Vangard garden storage unit makes an ideal secure home for furniture, mowers & all garden tools. Fitted with a solid two point locking system & featuring a thumb turn lock with a padlock fitting Please note padlock is not Included, the Vangard garden shed is an extremely strong, secure & versatile storage unit ideal for everyday use. Download Instructions. Manufactured by Asgard.