What standard products do I need to felt my 4m x 5m garden building? To be able to answer your question we would need some more information. You can contact our technical team at: 01942 256864 or technical.uk@iko.com Could you tell please what primer is required to coat the OSB boards on a flat roof before I lay easy seal underlay. Thank you Is substantive adequate as alike covering or does an additional protect later need to be laid over the synthaprufe. I intend to use this product to deal my workshop floor
