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297_S, 303_S & 305_N Split Astragal

297_S, 303_S & 305_N Split Astragal | Image 1
MPN: 297_S, 303_S & 305_N
Finishes: A, BDG, C, D, G, PW, SN
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297_S, 303_S & 305_N Split Astragal | Image 2
297_S, 303_S & 305_N Split Astragal | Image 3
297_S, 303_S & 305_N Split Astragal

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  • Product Description
  • Installation and Technical Information

Astragal and meeting stile seals are used to seal the gap between a pair of doors.

Split Astragal seals are installed on the face of both door leaves.

297_S

  • When installing pairs of fire doors care must be taken to maintain the requirements of NFPA 80 (US)
  • Category J gaskets for use with listed steel frames and/or classified steel covered composite, hollow metal doors rated up to and including 3 hours; wood and plastic covered composite doors rated up to and including 1-1/2 hours; and wood core doors rated for 20 minutes (US)

303_S

  • When installing pairs of fire doors care must be taken to maintain the requirements of NFPA 80 (US)
  • Category J gaskets for use with listed steel frames and/or classified steel covered composite, hollow metal doors rated up to and including 3 hours; wood and plastic covered composite doors rated up to and including 1-1/2 hours; and wood core doors rated for 20 minutes (US)

305_N

  • When installing pairs of fire doors care must be taken to maintain the requirements of NFPA 80 (US)
  • Category J gaskets for use with listed steel frames and/or classified steel covered composite, hollow metal doors rated up to and including 3 hours; wood and plastic covered composite doors rated up to and including 1-1/2 hours; and wood core doors rated for 20 minutes (US)

297_S
AVAILABLE FINISHES: A, BDG, D, G, PW, SN

303_S
AVAILABLE FINISHES: A, BDG, C, D, G, PW, SN

305_N
AVAILABLE FINISHES: B, C, D, G

Finishes

A (Mill Finish Aluminium) BDG (Bright Dipped Gold) C (Clear Anodized) D (Dark Bronze Anodized) G (Gold Anodized) PW (Painted White Aluminium) SN (Satin Nickel Anodized)

UL

Pemko - Astragals & Meeting Stiles

An Astragal is used to seal the gap at the leading edge between a pair of door leaves. The pair can have 'plain' or 'rebated' meeting stiles - the design and suitability of the Astragal will vary accordingly between the two options.  Astragals on external pairs of outward opening doors are commonly overlapping Astragals which have a dual function of protecting against weather and providing security as a lock guard. On internal doors Astragals provide protection against smoke ingress aswell as providing additional security on locked doors.

Doors are typically the weakest link in any partition designed to have acoustic sealing properties. Astragals, perimeter gasketing, drop seals and door sweeps can all be used to prevent sound from leaking through cracks around the door perimeter.

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Relcross Ltd (Relcross Door Controls)
Hambleton Avenue
Devizes
Wiltshire
SN10 2RT

t: 01380 729 600

w: www.relcross.co.uk
e: sales@relcross.co.uk