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Forza - Defining Doors
Veneer Guide

FD30 Intumescent Seal Specification

Intumescent Seal Specification for FD30 Door Leaves Installed in Flush Timber Frames

Location   Size and Position
Stiles/jambs   20 x 4mm seal centrally fitted in the frame reveal or leaf edge (preferred)
Head

FCE30, FCM30,
FCH30, FCF30 and FCS30

1no 20 x 4mm seal fitted centrally in the frame reveal or leaf edge (preferred)
  FCT30 only 2no 15 x 4mm seals centrally fitted in one leaf edge

Flush meeting stiles

 

1no 20 x 4 mm seal centrally fitted in one leaf edge 

Rebated meeting stiles  

2no 10 x 4 mm seals; one fitted centrally in one rebate and the other fitted centrally in the other rebate, both can be fitted in either leaf edge

Flush overpanel junction  

1no 20 x 4 mm seal centrally fitted in top of leaf or bottom of overpanel

Rebated overpanel junction  

2no 10 x 4 mm seals; one fitted centrally in one rebate and the other fitted centrally in the other rebate, both can be fitted in either the top of the leaf or the bottom of the overpanel

Interface between overpanel and frame  

1no 20 x 4 mm seal centrally fitted in the frame reveal or overpanel edge (preferred)

  

Intumescent Seal Specification for FD30 Door Leaves Installed in Rebated Timber Frames

Location Size and Position
Stiles/jambs

1no 20 x 4 mm seal fitted centrally in the rebate in the frame reveal or the nib of the leaf edge (preferred)

Head

1no 20 x 4 mm seal fitted centrally in the rebate in the frame reveal or the nib of the leaf edge (preferred)

Flush meeting stiles

1no 20 x 4 mm seal fitted centrally in one leaf edge

Rebated meeting stiles

2no 10 x 4 mm seals; one fitted centrally in one rebate and the other fitted centrally in the other rebate, both can be fitted in either leaf edge 

Flush overpanel junction

1no 20 x 4 mm seal fitted centrally in top of leaf or bottom of overpanel

Rebated overpanel junction

2no 10 x 4 mm seals; one fitted centrally in one rebate and the other fitted centrally in the other rebate, both can be fitted in either the top of the leaf or the bottom of the overpanel

Interface between overpanel and frame

1no 20 x 4 mm seal fitted centrally in the rebate in the frame reveal or the nib of the leaf edge (preferred)

Intumescent Seal Specification for FD30 Door Leaves Installed in Steel Frames

Location Size and Position
Stiles/jambs

1no 20 x 6 mm seal fitted centrally in the leaf edge 

Head

1no 20 x 6 mm seal fitted centrally in the leaf edge 

Flush meeting stiles

1no 20 x 4 mm seal fitted centrally in one leaf edge

Rebated meeting stiles

2no 10 x 4 mm seals; one fitted centrally in one rebate and the other fitted centrally in the other rebate, both can be fitted in either leaf edge

Flush overpanel junction

1no 20 x 4 mm seal fitted centrally in top of leaf or bottom of overpanel 

Rebated overpanel junction

2no 10 x 4 mm seals; one fitted centrally in one rebate and the other fitted centrally in the other rebate, both can be fitted in either the top of the leaf or the bottom of the overpanel 

Interface between overpanel and frame

1no 20 x 6 mm seal fitted centrally in the overpanel edge 

Intumescent Seal Specification for FD30 Door Leaves Installed in Aluminium Frames

Location Size and Position
Stiles/jambs

1no 20 x 4 mm seal fitted centrally in the leaf edge 

Head

1no 20 x 4 mm seal fitted centrally in the leaf edge 

Enhanced head (FCH30 only)

1no 30 x 4 mm seal fitted centrally in one leaf edge

Flush meeting stiles

1no 20 x 4 mm seal fitted centrally in one leaf edge

Rebated meeting stiles

2no 10 x 4 mm seals; one fitted centrally in one rebate and the other fitted centrally in the other rebate, both can be fitted in either leaf edge

Flush overpanel junction

1no 20 x 4 mm seal fitted centrally in top of leaf or bottom of overpanel 

Rebated overpanel junction

2no 10 x 4 mm seals; one fitted centrally in one rebate and the other fitted centrally in the other rebate, both can be fitted in either the top of the leaf or the bottom of the overpanel 

Interface between overpanel and frame

1no 20 x 4 mm seal fitted centrally in the overpanel edge 

fis1.jpg GAI_thumb-56px.jpgACS Logos1.jpgribalogo_thumb_56px.jpgForza Doors specification summaries are available through the RIBA Product Selector and NBs Plus