Duolay tape, 40mm wide, 50m roll. The double-sided tape used to seal ridge and hip roll to the tiles and to bed laps where the fixing guide calls for it. One roll does most domestic roofs.
 
Ordering and delivery. Envirotile comes out of your nearest Eurocell branch. Orders over £150 are delivered free to site; under £150 delivery is £10. Order the whole roof in one go and add 5–10% for cuts and wastage – it is the top-up order for a dozen tiles that costs you time.
 
Key Features
✔ 40mm x 50m
✔ Seals ridge roll and hip roll to the tiles
✔ One roll covers most domestic jobs