Roof trims designed to simplify and improve edge detail work on flat roofs. Once installed they will secure the membrane to the roof edge and improve the overall appearance of the roof.

Check kerbs form a neat up-stand on edges without gutters whilst drip edges encourage the drainage of water from the roof. Internal and external corner units are available.

Standard product features


Rigid polystyrene.

Unit length:

2.5 m.



  • Check kerb trim: designed to secure the edge of a Hertalan EPDM membrane and stop rainwater going over the edge of the roof. 100 mm high.
  • Drip edge trim: Designed to secure a Hertalan EPDM membrane over the edge of the roof, and allow rainwater to flow over the trim, into a gutter. 75 mm high.

NBS Specification

NBS Create logo
This product is associated with the following NBS Create clause:
45-75-35/330 Metal flashings

NBS Specification

NBS Buliding logo
This product is associated with the following NBS clauses:

Product specification

An important note about specifying



Carlisle Construction Materials Ltd-HERTALAN - RESITRIX


+44 (0)1623 627285

Product reference

Quicktrim perimeter trim


[Check kerb trim]
[Drip trim]



Manufacturer details

Lancaster House,
Concorde Way,
Millennium Business Park,
Nottinghamshire, NG19 7DW
Tel +44 (0)1623 627285
Fax +44 (0)1623 652741
NBS Plus