Americana Decou-page Glue 8fl oz £7.50 Out of stock. 0 in your basket View Basket Checkout Decoupage gloss sealer/glue/finish. An all-in-one glue sealer and finish product. This Product dries fast and clear for a hard durable and non tacky finish. It seals paper to cardboard paper mache wood terra cotta canvas glass plaster foam and more.