Offers protection from corrosion and moisture. Breathable, elastic, and sound-absorbing.
Delta®-Trela and Trela Plus consist of a 3-ply spun-bonded polypropylene breather underlay base sheet laminated to a dimple-textured random-fibre spacer mat to provide a permanent air gap under the cladding, preventing moisture accumulation. Delta®-Trela Plus includes an integrated self-adhesive edge.
H71/645 Sheet underlay
H72/110 Aluminium sheet fully supported roof covering
H72/2 Aluminium sheet fully supported roof covering
H73/645 Sheet underlay
H74/645 Sheet underlay
H75/645 Sheet underlay
Standard product features
Dimple height (approximately):
B2 rating to DIN 4102.