Tyvek® Metal/ Tyvek® Proclad
This underlay is a vapour open drainage membrane with integral adhesive lap allowing eventual condensation beneath Stainless Steel, Copper and Zinc roofs to drain away. It is designed for use beneath standing seam metal sheet roofs over timber boarding and even more important over softwood boarding.
Product Properties| Composition | Composite of High Density Polyethylene,Polypropylene nonwoven and open mesh spacer |
| Roll size | 1.1 m x 30 m |
| Roll weight | 11,5kg |
| Mass per unit area | 350 gr/m2 |
| UV exposure | 4 months |
| Product- / Functional layer thickness | 7,40 / 0,22 mm |
| Water vapour transmission (Sd) | 0.03 m |
| CE marking | yes |
Download the Literature:Download the Technical Data Sheet