FIREPLUG INTUMESCENT STRIP

FIREPLUG INTUMESCENT STRIP - FOR REBATING

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Reference

Fireplug Intumescent Strips are available white or brown, in standard 2100mm or 1050mm lengths and are supplied self adhesive.  Fireplug Intumescent Strips are also available in door sets.  Packed 5 x 1050mm for single doors and 10 x 1050mm for double doors.
 


FIREPLUG IFS104
FIREPLUG IF10
FIREPLUG IFS204
FIREPLUG IF204

Description

Fireplug IFS104, IF104, IFS204, IF204 are produced using Firefly 102 intumescent material and encased in a PVC sleeve, achieving a high degree of protection from mechanical and chemical damage.
Fireplug Profile ref IF - is in a cross section as shown above, rectangular, normal sizes 10mm wide x 4mm deep (ref: IF104) for 1/2 hour protection, 20mm wide x 4mm deep (ref: IF204) for 1 hour protection.
Fireplug Profile ref IFS - differs from Fireplug IF where smoke inhibition is required.  In this instance a 5mm long brush pile incorporating  a polypropylene blade is inserted along the entire length of the PVC profile.  Ref IFS104 for 1/2 hour protection and ref IFS204 for 1 hour protection.

Action

Under the action of heat, the PVC profile softens as the intumescent core expands sealing the gap between the door and the door frame, through which fire and toxic gas could pass.  The amount of pressure developed by the expanding intumescent is dependent on the gap  to be sealed.  The wider the gap the lower the pressure..  The temperature at which Fireplug Intumescent strip starts to activate is 120 - 160 oC. At this temperature no one would survive on the fireside of the door and in most cases the thermal shock would be fatal to anyone on the unexposed side opening the door.  However, despite the requisite that the pressure developed by the expanding intumescent is sufficient to keep the door closed it is possible to make the door open if required.

Performance

Fireplug IFS104 and IF104 has been tested by TRADA to British Standards BS476 Part 22, on April 20th 1993, test No. FR1687.  The test criteria attained in Fireplug Intumescent Strip being acceptable for use in many leading manufacturers doors for 30/30 half hour doors, likewise Fireplug IFS104 and IF104 has been tested for use on 60/60 one hour doors.

Application

Fireplug IFS104 and IF104 is fitted into a groove nominally 10mm wide x 4mm deep.  To aid fixing, although not essential, the strip can have a self adhesive backing, alternatives to this are gluing or securing with tacks.  IFS104 and IF104 are fixed similarly but the groove is nominally 20mm wide x  4mm deep. The groove can be routed into either the door or into the door frame.  The rout is along the head of the door and down the jamb.  Intumescent is not required along the bottom as in a fire situation a negative pressure results making the air flow in the opposite direction to the top.

Where the groove is masked by hinges, locks or other door ironmongery we recommend that FIreplug Intumescent Strip is used in conjunction with Fireplug Hinge and Lock Protection.  If a smoke seal is required then the Fireplug IFS Profile can be used.  The recommended gap around the door is 4mm, this enables ease of opening and closing against the brush stroke seal.  Various single and double door types are shown under their relevant intumescent strip requirements.
 
 

N.B.   i)  Never use brush seals in both sides of meeting stiles.
ii)  Always fit the IFS brush directly opposite the IF profile.

FIREPLUG INTUMESCENT STRIP - SURFACE MOUNTED

Reference

FIREPLUG FPSM
 
 

Fireplug surface mount intumescent strip is available in most colours, or with a real wood veneer.  All seals are self adhesive.  These seals can be ordered made up into complete door sets.  A single door set consists of 3 lengths FP202 and 2 lengths FP102.  Ref: single door set FPSD A double door set consists of 4 lengths FP202 and 4 lengths FP102.  Ref: double door set FPDD.

Description

The surface mounted intumescent fire and smoke seals are 25mm wide incorporating 20mm wide intumescent plus 5mm wide brush smoke seal, complete with polypropylene blade.  FP202 is nominally 2mm thick, FR102 is nominally 1mm thick.  FP102 is used for ease of fitting to the hinge jamb, where you would expect a smaller gap in comparison to closing jamb or head.  All seals come self adhesive as standard.

Action

Under the action of heat, the intumescent rapidly expands to seal around the door stopping the passage of fire and toxic gases.  The brush smoke is designed to inhibit the passage of cold smoke.

Performance

Fireplug FP202 and Fireplug FP102 have been tested by TRADA to British Standards BS476, Part 22, on April 20th 1993, test No. FR1687.

Application

Fireplug Surface Mounted Fire and Smoke Seal is supplied in door sets.  The thicker pieces, Fireplug FP202, are installed on the closing lock jamb and the head of the door.  The thin pieces, Fireplug FP102, are installed on the hinge jamb, the surface mount strip is placed over the metal of the hinge, this is to absorb the heat off the metal and to prolong the efficiency of the hinge.  A gap of 3 - 4mm is required to the head and closing jamb prior to application.  A single door set will fit any door up to 2100mm x 1050mm wide.  if necessary additional strips can be supplied using the refs: FP202 and FP102.
 
 

Figure 1 shows the make up of a door frame fitted with Fireplug FP202 and FP102.


Figure 2 shows FP202 fitted to closing jamb and head, the leading edge of the door may need adjusting.

Figure 3 shows FP102 fitted over the hinges of the hung jamb.

PLEASE NOTE that ironmongery should be protected using Fireplug Hinge Strip and Lock Protection (ref Fireplug CFPM).


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