ALCOLIN SLATE UNDERLAY is a reinforced bitumen membrane used for waterproofing underlay when installing slate roofs. It is constructed from distilled bitumen and plastomeric polymers (APP) having a woven and non-woven single strand composite polyester reinforcement, which provides the membrane with high mechanical characteristics and excellent dimensional stability.
20m x 450mm
An underlayment with a aluminium foil to protect against uv degredation and waterproofing underlayment on slate roofs.
It provides long lasting protection against water and dust ingression.