Find two different types of Hot Work Floor Signs. The fold-up molded floor signs can be placed just where the warning will be seen - and when the hot work work is in progress. The anti-slip adhesive sign sticks permanently to concrete or to your flat floor - and is a great way to mark Hot Work Zones.
FloorBoss XL™ Floor Standing Sign : Danger - Hot Work in...
Part #: SF-0295 23.5" x 12.25" Plastic Folding Sign Verified Purchasehot work
they work for what I need them for.