That means the membrane is laminated to a face fabric (and to a backer if it’s a 3L construction). That face fabric is treated with an additional bit of waterproofing called Durable Water Repellent ...

The most tried-and-true waterproofing comes from the waterproof membrane in between two layers of fabric. Dwyer describes this method as a grilled cheese sandwich. Water will bead and roll off most ...

That means the membrane is laminated to a face fabric (and to a backer if it’s a 3L construction). That face fabric is treated with an additional bit of waterproofing called Durable Water ...