NBS Specifications

The following are some examples of NBS Specifications.

Please feel free to copy and paste these and also to change details such as veneer/glass/hardwood types, etc.

Architects and other specifiers are welcome to contact us for our bespoke specification service.

L20 DOORS / SHUTTERS / HATCHES

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INTERNAL DOORS:
Internal FD60s Timber Flush Doors (veneered)
Internal FD30s Timber Flush Doors (veneered)
Internal Non Fire Rated Timber Flush Doors (veneered)
Internal FD60s Timber Flush Doors (for painted finish)
Internal FD30s Timber Flush Doors (for painted finish)
Internal Non Fire Rated Timber Flush Doors (for painted finish)
Internal FD60s Timber Panelled Doors (veneered)
Internal FD30s Timber Panelled Doors (veneered)
Internal Non Fire Rated Timber Panelled Doors (veneered)
Internal FD60s Timber Panelled Doors (for paint finish)
Internal FD30s Timber Panelled Doors (for paint finish)
Internal Non Fire Rated Timber Panelled Doors (for paint finish)
Internal FD60s Timber Flush Doors (Acoustic 35dB, veneered)
Internal FD30s Timber Flush Doors (Acoustic 35dB, veneered)
Internal Non Fire Rated Timber Flush (Acoustic 35dB, veneered)
Internal Laminated Glazed Doors FD60s
Internal Laminated Glazed Doors FD30s
Internal Laminated Glazed Doors Non Fire-rated
EXTERNAL DOORS:
External Timber Flush Doors
External Timber Solid Hardwood [Redwood] Doors

INTERNAL DOORS

INTERNAL FD60s TIMBER FLUSH DOORS (veneered):

• Drawing reference(s): –
• Door Sizes –
• Manufacturer and reference: Doors By Design Ltd, Tel. 0141 842 4350
• Core: Solid 3 layer particle board [Halspan]
• Facings: American White Oak veneer crown cut, book matched
• Lippings: Concealed 10mm American White Oak on all four edges
• Preservative treatment: Not required
• Moisture content on delivery: 9–13%
• Glazing details: Pilkington Pyroshield wired glass 6mm thick glazed with Sealmaster Thermaglaze 60 and American White Oak hockey-stick glazing beads
• Finish as delivered: Acid catalyst lacquer and waxless polish finish 30% sheen
• Other requirements: Intumescent smoke seals rebated into frames
• Door Frames: American White Oak, 32mm thick, 15mm planted stops, – see drawing for details and sizes.
• Finish: as door specification

INTERNAL FD30s TIMBER FLUSH DOORS (veneered):

• Drawing reference(s): –
• Door Sizes –
• Manufacturer and reference: Doors By Design Ltd, Tel. 0141 842 4350
• Core: Solid 3 layer particle board [Halspan]
• Facings: American White Oak veneer crown cut, book matched
• Lippings: Concealed 10mm American White Oak on all four edges
• Preservative treatment: Not required
• Moisture content on delivery: 9–13%
• Glazing details: Pilkington Pyroshield wired glass 6mm thick glazed with Lorient FF1 glazing system and American White Oak hockey-stick glazing beads
• Finish as delivered: Acid catalyst lacquer and waxless polish finish 30% sheen
• Other requirements: Intumescent smoke seals rebated into frames
• Door Frames: American White Oak, 32mm thick, 15mm planted stops, – see drawing for details and sizes.
• Finish: as door specification

INTERNAL NON FIRE RATED TIMBER FLUSH DOORS (veneered):

• Drawing reference(s): –
• Door Sizes –
• Manufacturer and reference: Doors By Design Ltd, Tel. 0141 842 4350
• Core: Solid 3 layer particle board
• Facings: American White Oak veneer crown cut, book matched
• Lippings: Concealed 10mm American White Oak on all four edges
• Preservative treatment: Not required
• Moisture content on delivery: 9–13%
• Glazing details: 6.4mm clear laminated glass glazed with Lorient FF1 glazing system and American White Oak hockey-stick glazing beads
• Finish as delivered: Acid catalyst lacquer and waxless polish finish 30% sheen
• Other requirements: –
• Door Frames: American White Oak, 32mm thick, 15mm planted stops, – see drawing for details and sizes.
• Finish: as door specification

INTERNAL FD60s TIMBER FLUSH DOORS (for painted finish):

• Drawing reference(s): –
• Door Sizes –
• Manufacturer and reference: Doors By Design Ltd, Tel. 0141 842 4350
• Core: Solid 3 layer particle board [Halspan]
• Facings: Durolin Foil
• Lippings: Concealed 10mm Ash hardwood on all four edges
• Preservative treatment: Not required
• Moisture content on delivery: 9–13%
• Glazing details: Pilkington Pyroshield-Safety wired glass 6mm thick glazed with Sealmaster Thermaglaze 60 and Ash hardwood hockey-stick glazing beads
• Finish as delivered: None [for site finish] or [factory finished 2 cts. coloured acid-catalyst lacquer]
• Other requirements: Intumescent smoke seals rebated into frames
• Door Frames: Meranti hardwood, 32mm thick, 15mm planted stops, – see drawing no for details and sizes.
• Finish: primed for site finishing

INTERNAL FD30s TIMBER FLUSH DOORS (for painted finish):

• Drawing reference(s): –
• Door Sizes –
• Manufacturer and reference: Doors By Design Ltd, Tel. 0141 842 4350
• Core: Solid 3 layer particle board [Halspan]
• Facings: Durolin Foil
• Lippings: Concealed 10mm Ash on all four edges
• Preservative treatment: Not required
• Moisture content on delivery: 9–13%
• Glazing details: Pilkington Pyroshield wired glass 6mm thick glazed with Lorient FF1 glazing system and Ash hardwood hockey-stick glazing beads
• Finish as delivered: None [for site finish] or [factory finished 2 cts. coloured acid-catalyst lacquer]
• Other requirements: Intumescent smoke seals rebated into frames
• Door Frames: European Redwood, 32mm thick, 15mm planted stops, – see drawing no for details and sizes.
• Finish: primed for site finishing

INTERNAL NON FIRE RATED TIMBER FLUSH DOORS (for painted finish):

• Drawing reference(s): –
• Door Sizes –
• Manufacturer and reference: Doors By Design Ltd, Tel. 0141 842 4350
• Core: Solid 3 layer particle board [Halspan]
• Facings: Durolin Foil
• Lippings: Concealed 10mm Ash hardwood on all four edges
• Preservative treatment: Not required
• Moisture content on delivery: 9–13%
• Glazing details: 6.4mm clear marinated glass glazed with Lorient FF1 glazing system and Ash hardwood hockey-stick glazing beads
• Finish as delivered: None [for site finish] or [factory finished 2 cts. coloured acid-catalyst lacquer]
• Other requirements: –
• Door Frames: European Redwood, 32mm thick, 15mm planted stops, – see drawing for details and sizes.
• Finish: primed for site finishing

INTERNAL FD60s TIMBER PANELLED DOORS (veneered):

• Drawing reference(s): –
• Door Sizes –
• Manufacturer and reference: Doors By Design Ltd, Tel. 0141 842 4350
• Core: Solid 3 layer particle board [Halspan]
• Facings: Quarter-Cut American White Oak veneer laid stile and rail fashion to stiles and rails with Crown-cut American White Oak to panels or [solid American White Oak raised panels]
• Panel Effect: Recessed panels with American White Oak Bolection Mouldings to detailed profile
• Lippings: Concealed 10mm American White Oak on all four edges
• Preservative treatment: Not required
• Moisture content on delivery: 9–13%
• Glazing details: Pilkington Pyroshield wired glass 6mm thick glazed with Sealmaster Thermaglaze 60 and American White Oak hockey-stick glazing beads
• Finish as delivered: Acid catalyst lacquer and waxless polish finish 30% sheen
• Other requirements: Intumescent smoke seals rebated into frames
• Door Frames: American White Oak, 32mm thick, 15mm planted stops, – see drawing for details and sizes.
• Finish: as door specification

INTERNAL FD30s TIMBER PANELLED DOORS (veneered):

• Drawing reference(s): –
• Door Sizes –
• Manufacturer and reference: Doors By Design Ltd, Tel. 0141 842 4350
• Core: Solid 3 layer particle board [Halspan]
• Facings: Quarter-Cut American White Oak veneer laid stile and rail fashion to stiles and rails with Crown-cut American White Oak to panels or [solid American White Oak raised panels]
• Panel Effect: Recessed panels with American White Oak Bolection Mouldings to detailed profile
• Lippings: Concealed 10mm American White Oak on all four edges
• Preservative treatment: Not required
• Moisture content on delivery: 9–13%
• Glazing details: Pilkington Pyroshield wired glass 6mm thick glazed with Lorient FF1 glazing system and American White Oak hockey-stick glazing beads
• Finish as delivered: Acid catalyst lacquer and waxless polish finish 30% sheen
• Other requirements: Intumescent smoke seals rebated into frames
• Door Frames: American White Oak, 32mm thick, 15mm planted stops, – see drawing for details and sizes.
• Finish: as door specification

INTERNAL NON FIRE RATED TIMBER PANELLED DOORS (veneered):

• Drawing reference(s): –
• Door Sizes –
• Manufacturer and reference: Doors By Design Ltd, Tel. 0141 842 4350
• Core: Solid 3 layer particle board [Halspan]
• Facings: Quarter-Cut American White Oak veneer laid stile and rail fashion to stiles and rails with Crown-cut American White Oak to panels or [solid American White Oak raised panels]
• Panel Effect: Recessed panels with American White Oak Bolection Mouldings to detailed profile
• Lippings: Concealed 10mm American White Oak on all four edges
• Preservative treatment: Not required
• Moisture content on delivery: 9–13%
• Glazing details: 6.4mm clear laminated glass glazed with Lorient FF1 glazing system and American White Oak hockey-stick glazing beads
• Finish as delivered: Acid catalyst lacquer and waxless polish finish 30% sheen
• Other requirements: –
• Door Frames: American White Oak, 32mm thick, 15mm planted stops, – see drawing for details and sizes.
• Finish: as door specification 

INTERNAL FD60s TIMBER PANELLED DOORS (for paint finish):

• Drawing reference(s): –
• Door Sizes –
• Manufacturer and reference: Doors By Design Ltd, Tel. 0141 842 4350
• Core: Solid 3 layer particle board [Halspan]
• Facings: Durolin Surface Foil
• Panel Effect: Recessed panels with Ash Bolection Mouldings to detailed profile. Flat MDF panel for painting or [solid MDF raised panels]
• Lippings: Concealed 10mm Ash hardwood on all four edges
• Preservative treatment: Not required
• Moisture content on delivery: 9–13%
• Glazing details: Pilkington Pyroshield-Safety wired glass 6mm thick glazed with Sealmaster Thermaglaze 60 and Ash hardwood hockey-stick glazing beads
• Finish as delivered: 2 coats coloured acid catalyst lacquer or [none – for site paint finish]
• Other requirements: Intumescent smoke seals rebated into frames
• Door Frames: Meranti hardwood, 32mm thick, 15mm planted stops, – see drawing for details and sizes.
• Finish: primed for site finishing

INTERNAL FD30s TIMBER PANELLED DOORS (for paint finish):

• Drawing reference(s): –
• Door Sizes –
• Manufacturer and reference: Doors By Design Ltd, Tel. 0141 842 4350
• Core: Solid 3 layer particle board [Halspan]
• Facings: Durolin Surface Foil
• Panel Effect: Recessed panels with Ash Bolection Mouldings to detailed profile. Flat MDF panel for painting or [solid MDF raised panels]
• Lippings: Concealed 10mm Ash hardwood on all four edges
• Preservative treatment: Not required
• Moisture content on delivery: 9–13%
• Glazing details: Pilkington Pyroshield wired glass 6mm thick glazed with Lorient FF1 glazing system and Ash hardwood hockey-stick glazing beads
• Finish as delivered: 2 coats coloured acid catalyst lacquer or [none – for site paint finish]
• Other requirements: Intumescent smoke seals rebated into frames
• Door Frames: European Redwood, 32mm thick, 15mm planted stops, – see drawing for details and sizes.
• Finish: as door specification

INTERNAL NON FIRE RATED TIMBER PANELLED DOORS (for paint finish):

• Drawing reference(s): –
• Door Sizes –
• Manufacturer and reference: Doors By Design Ltd, Tel. 0141 842 4350
• Core: Solid 3 layer particle board [Halspan]
• Facings: Durolin Surface Foil
• Panel Effect: Recessed panels with Redwood Bolection Mouldings to detailed profile. Flat MDF panel for painting or [solid MDF raised panels]
• Lippings: Concealed 10mm Ash hardwood on all four edges
• Preservative treatment: Not required
• Moisture content on delivery: 9–13%
• Glazing details: 6.4mm clear laminated glass glazed with Lorient FF1 glazing system and Ash hardwood hockey-stick glazing beads
• Finish as delivered: 2 coats coloured acid catalyst lacquer or [none – for site paint finish]
• Other requirements: –
• Door Frames: Redwood, 32mm thick, 15mm planted stops, – see drawing for details and sizes.
• Finish: primed for site finishing

INTERNAL FD60s TIMBER FLUSH DOORS (Acoustic 35dB, veneered):

• Drawing reference(s): –
• Door Sizes –
• Manufacturer and reference: Doors By Design Ltd, Tel. 0141 842 4350
• Core: Solid 3 layer particle board [Halspan]
• Facings: American White Oak veneer crown cut, book matched
• Lippings: Concealed 10mm American White Oak on all four edges
• Preservative treatment: Not required
• Moisture content on delivery: 9–13%
• Glazing details: Pilkington Pyroshield-Safety wired glass 6mm thick glazed with Sealmaster Thermaglaze 60 glazing system and American White Oak hockey-stick glazing beads
• Finish as delivered: Acid catalyst lacquer and waxless polish finish 30% sheen
• Other requirements: Intumescent smoke seals rebated into frames
• Acoustic Seals: Lorient IS1010 Batwing seals to stops; IS8010 Automatic Threshold Seal; IS1004TS combined intumescent/acoustic seal
• Door Frames: American White Oak, 32mm thick, 15mm planted stops, – see drawing for details and sizes.
• Finish: as door specification

INTERNAL FD30s TIMBER FLUSH DOORS (Acoustic 35dB, veneered):

• Drawing reference(s): –
• Door Sizes –
• Manufacturer and reference: Doors By Design Ltd, Tel. 0141 842 4350
• Core: Solid 3 layer particle board [Halspan]
• Facings: American White Oak veneer crown cut, book matched
• Lippings: Concealed 10mm American White Oak on all four edges
• Preservative treatment: Not required
• Moisture content on delivery: 9–13%
• Glazing details: Pilkington Pyroshield wired glass 6mm thick glazed with Lorient FF1 glazing system and American White Oak hockey-stick glazing beads
• Finish as delivered: Acid catalyst lacquer and waxless polish finish 30% sheen
• Other requirements: Intumescent smoke seals rebated frames
• Acoustic Seals: Lorient IS1010 Batwing seals to stops; IS8010 Automatic Threshold Seal; IS1004TS combined intumescent/acoustic seal
• Door Frames: American White Oak, 32mm thick, 15mm planted stops, – see drawing no for details and sizes.
• Finish: as door specification

INTERNAL NON FIRE RATED TIMBER FLUSH DOORS (Acoustic 35dB, veneered):

• Drawing reference(s): –
• Door Sizes –
• Manufacturer and reference: Doors By Design Ltd, Tel. 0141 842 4350
• Core: Solid 3 layer particle board [Halspan]
• Facings: American White Oak veneer crown cut, book matched
• Lippings: Concealed 10mm American White Oak on all four edges
• Preservative treatment: Not required
• Moisture content on delivery: 9–13%
• Glazing details: 6.4mm clear laminated glass glazed with Lorient FF1 glazing system and American White Oak hockey-stick glazing beads
• Finish as delivered: Acid catalyst lacquer and waxless polish finish 30% sheen
• Other requirements: Intumescent smoke seals rebated into frames
• Door Frames: American White Oak, 32mm thick, 15mm planted stops, – see drawing for details and sizes.
• Finish: as door specification 

INTERNAL LAMINATED GLAZED DOORS FD60s:

• Drawing reference(s): –
• Manufacturer and reference: Doors By Design Ltd, Tel. 0141 842 4350
• Core: Solid 3 layer particle board [Halspan]
• Facings: Formica laminate from the Formica Door Collection
• Lippings: Exposed 10mm Hardwood, to long edges, concealed to top & bottom
• Preservative treatment: Not required
• Moisture content on delivery: 9–13%
• Finish as delivered: Acid catalyst lacquer and waxless polish finish to lippings and beads
• Glazing details: 2no. glazed apertures, 6.5mm Schott Pyran glass glazed with Sealmaster Thermaglaze 60 and hardwood hockey-stick glazing beads
• Other requirements: Intumescent smoke seal rebated into frames
• Door Frames: Meranti Hardwood, 32mm thick, 15mm planted stops
• Frame Finish: primed for site finishing

INTERNAL LAMINATED GLAZED DOORS FD30s:

• Drawing reference(s): –
• Manufacturer and reference: Doors By Design Ltd, Tel. 0141 842 4350
• Core: Solid 3 layer particle board [Halspan]
• Facings: Formica laminate from the Formica Door Collection
• Lippings: Exposed 10mm Hardwood, to long edges, concealed to top & bottom
• Preservative treatment: Not required
• Moisture content on delivery: 9–13%
• Finish as delivered: Acid catalyst lacquer and waxless polish finish to lippings and beads
• Glazing details: 2no. glazed apertures, Pilkington Pyroguard C glass glazed with Lorient FF1 glazing system and hardwood hockey-stick glazing beads
• Other requirements: Intumescent smoke seal rebated into frames
• Door Frames: Redwood, 32mm thick, 15mm planted stops
• Frame Finish: primed for site finishing

INTERNAL LAMINATED FLUSH DOORS NON FIRE-RATED:

• Drawing reference(s): –
• Manufacturer and reference: Doors By Design Ltd, Tel. 0141 842 4350
• Core: Solid 3 layer particle board [Halspan]
• Facings: Formica laminate from the Formica Door Collection
• Lippings: Exposed 10mm Hardwood, to long edges, concealed to top & bottom
• Preservative treatment: Not required
• Moisture content on delivery: 9–13%
• Finish as delivered: Acid catalyst lacquer and waxless polish finish to lippings
• Glazing: Not required
• Other requirements: None
• Door Frames: Redwood, 32mm thick, 15mm planted stops
• Frame Finish: primed for site finishing

EXTERNAL DOORS

EXTERNAL TIMBER FLUSH DOORS:

• Drawing reference(s): –
• Door Sizes –
• Manufacturer and reference: Doors By Design Ltd, Tel. 0141 842 4350
• Core: Vertically laminated hardwood lamels with horizontal top and mid rails (Sentry or Flamebreak Core)
• Facings: Exterior grade hardwood plywood in thickness' of 3.6 or 5.5mm both faces
• Lippings: 10mm Meranti hardwood on all four edges [Exposed]
• Preservative treatment: required
• Moisture content on delivery: 13–19%
• Finish as delivered: primed for site finishing
• Glazing / Panel details: See drawings
• Frames: Meranti hardwood rebated stops – see drawings
• Other requirements: –

EXTERNAL TIMBER SOLID HARDWOOD [REDWOOD] DOORS:

• Drawing reference(s): –
• Door Sizes –
• Manufacturer and reference: Doors By Design Ltd, Tel. 0141 842 4350
• Materials: solid Idigbo hardwood or [Redwood]
• Mortice and tenon joints, Cascamite adhesive
• Preservative treatment: required
• Moisture content on delivery: 13–19%
• Finish as delivered: primer for site finishing or [2cts exterior lacquer]
• Glazing / Panel details: See drawings
• Frames: solid Idigbo hardwood or [Redwood] as above – see drawings for details
• Architraves: solid Idigbo hardwood or [Redwood] as above – see drawings for details
• Finish: as above
• Other requirements: –