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Collection: Door Thicknesses 44mm

Door Thicknesses 44mm helps you filter to sizes that fit first time. Browse modern, shaker, panelled, and glazed looks across materials from oak to durable laminates. Solid and semi solid cores improve feel and sound control, with fire rated options where specified. Standard sizing streamlines replacements, refurbishments, and whole home planning. We supply nationwide with clear lead times, and offer optional professional fitting for accuracy, warranty protection, and a clean finish. Use filters by style, material, size, and glazing to compare quickly and order with confidence.

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498 products

White door with three rectangular panels on a white background
New

PM Mendes

MAYFAIR WHITE CLEAR GLAZED 2P 1L FD30 PREFINISHED INTERNAL FIRE DOOR

Regular price £783.39
Sale price £783.39 Regular price
Grey laminate door with a vertical glass panel
New

PM Mendes

GREY LAMINATE CORSICA 1 LIGHT OBSCURE GLAZED FD30 PREFINISHED INTERNAL DOOR

Regular price £903.91
Sale price £903.91 Regular price
Wooden door with a panel design
New

PM Mendes

OAK BRISTOL 4 PANEL FD30 UNFINISHED INTERNAL DOOR

Regular price £265.26
Sale price £265.26 Regular price
Wooden door with horizontal slats on a white background
New

PM Mendes

OAK COTTAGE FD30 UNFINISHED FIRE DOOR

Regular price £301.57
Sale price £301.57 Regular price
OAK VENEER FLUSH FD30 PREFINISHED FIRE DOOR
New

PM Mendes

OAK VENEER FLUSH FD30 PREFINISHED FIRE DOOR

Regular price £143.24
Sale price £143.24 Regular price
Wooden panel with a vertical grain pattern
New

PM Mendes

OAK MIRAGE FD30 PREFINISHED FIRE DOOR

Regular price £216.61
Sale price £216.61 Regular price
Wooden door with a vertical glass panel
New

PM Mendes

OAK CORSICA 18G OBSCURE GLASS PREFINISHED FIRE DOOR

Regular price £526.51
Sale price £526.51 Regular price
SICILY WHITE PRIMED INTERNAL FIRE DOOR
New

JB Kind

SICILY WHITE PRIMED INTERNAL FIRE DOOR

Regular price From £140.22
Sale price From £140.22 Regular price
Wooden door with a curved design on a white background
New

JB Kind

SICILY OAK PREFINISHED INTERNAL FIRE DOOR

Regular price From £148.63
Sale price From £148.63 Regular price
ALABAMA DARK GREY INTERNAL FIRE DOOR
New

JB Kind

ALABAMA DARK GREY INTERNAL FIRE DOOR

Regular price £250.92
Sale price £250.92 Regular price
Wooden door with vertical slats
New

XL Joinery

Suffolk Essential Internal Unfinished Oak Fire Door

Regular price From £107.97
Sale price From £107.97 Regular price
Wooden door with vertical slats
New

XL Joinery

Internal Oak Essential Suffolk Prefinished Fire Door

Regular price From £119.97
Sale price From £119.97 Regular price
OAK MEXICANO GLAZED HALF LIGHT UNFINISHED INTERNAL FIRE DOOR
New

LPD Doors

OAK MEXICANO GLAZED HALF LIGHT UNFINISHED INTERNAL FIRE DOOR

Regular price £662.05
Sale price £662.05 Regular price
OAK MEXICANO GLAZED HALF LIGHT PREFINISHED INTERNAL FIRE DOOR
New

LPD Doors

OAK MEXICANO GLAZED HALF LIGHT PREFINISHED INTERNAL FIRE DOOR

Regular price £695.17
Sale price £695.17 Regular price
Lucerna Type 1 External Steel Door Set
New

FBS Doors

Lucerna Type 1 External Steel Door Set

Regular price £1,688.23
Sale price £1,688.23 Regular price
Solid External Steel Door Set
New

FBS Doors

Solid External Steel Door Set

Regular price £1,145.14
Sale price £1,145.14 Regular price
Lutter Type 4 External Steel Door Set
New

FBS Doors

Lutter Type 4 External Steel Door Set

Regular price £1,194.51
Sale price £1,194.51 Regular price
Lutter Type 3 External Steel Door Set
New

FBS Doors

Lutter Type 3 External Steel Door Set

Regular price £1,194.51
Sale price £1,194.51 Regular price
Lutter Type 1 External Steel Door Set
New

FBS Doors

Lutter Type 1 External Steel Door Set

Regular price £1,194.51
Sale price £1,194.51 Regular price
Front door with a vertical black strip on a brown background
New

FBS Doors

Lutter Type 2 External Steel Door Set

Regular price £1,194.51
Sale price £1,194.51 Regular price
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