Perimeter Seals

Designed to fit into a recess in the frame, the perimeter seal provides protection against cold smoke ingress and its correct specification and installation is critical in providing the enhanced acoustic properties of the doorsets.

  • Located in head and jambs of single and double doors
  • Friction fit into 3mm recess
  • Min/Max gap size 3 – 4mm
  • Dual air pocket technology to increase acoustic performance
  • BS4 76 Pt31 and BS EN 1634-3 and UL 1 OC smoke seal compliant
  • Service life tested to 1 million cycles
  • Ultra soft blades to minimise opening/closing forces to optimise compliance with Approved Document M of The Building Regulations
  • Stock colours black, brown, white, grey
  • Seals are supplied loose for site fixing

lntumescent seal with twin blade perimeter seal


Architraves can be supplied in either softwood primed or MDF paper wrapped

* for site painting or factory finished hardwood to match the frame.

* Only available in sizes 45x15mm and 69x15mm.