Clarity for your roof

Roofing terms, clearly explained

Understand common Dutch roofing terms such as afschot, opstand and dakbeschot when reviewing a roof proposal.

Roof fall (afschot) ↗

Roof fall is the slight slope that directs rainwater across a flat roof to an outlet.

An upstand is a raised vertical section around a roof edge or component to which the waterproof layer connects.

The roof deck is the continuous board or sheet substrate forming part of the roof structure.

A ridge tile is a shaped tile covering the highest junction between two sloping roof surfaces.

EPDM is a synthetic rubber used, among other applications, as a waterproof membrane on flat roofs.

Bitumen is a binder used in reinforced sheets for waterproof roof coverings.

The next step

Your roof, mapped

Schematic view. Actual roof construction requires an on-site assessment.