Made to measure in sizes you require

British woodworking federation approved

3 Generations of time-served master craftsmen

Brenig Insulated Garage Doors

Our Brenig insulated garage doors, featuring 8 openings for glazing.

Meets Part L of Building Regulations for thermal efficiency.

As insulated doors they are 65mm ( 2 1/2″) thick and boarded both sides.

Supplied fully finished sanded in a choice of Softwood, Hardwood or modified Softwood.

Available as a pair of doors or single and with or without a door frame (door frames come in two choices – allows vehicle access OR non vehicle access).

Doors are supplied with draught strip (for meeting stiles of doors) and door frame (when selected) is also supplied with draught strip.

* Brenig insulated garage door U-Values –
Scandinavian Redwood (Softwood) 1.2 W/m2K
Meranti/Idigbo/Oak (Hardwoods) 1.4 W/m2K
Accoya (Modified Softwood) 1.2 W/m2K

* U-Values are based on a door set (i.e. doors and frame supplied by ourselves) only.
* The above U-Values do not apply to customised stable doors.

Enter your door opening height & overall opening within your door frame if you are using your existing door frame.
If a door frame is required then enter your brickwork opening in height & width – frames can be selected as you build your order.

Want to use imperial instead of metric? Use our converter here

Choose from a single door or a pair of doors.

Singles are available upto 1400mm wide & pairs of doors to suit openings upto 2800mm overall openings
Usually your doors would be hung from a timber door frame, if choosing a door frame then we need your brickwork opening measurements (i.e. tight width measured from brick to brick at narrowest point and height from floor to underside of lintel at shortest point) - we then make the door frame to fit the opening and the doors to fit the door frame!

As standard, the door frame is a 3 piece door frame (head/top piece and 2 stiles/side pieces) supplied with a floor mounted garage door floor seal (this enables vehicle access).

Frame can be upgraded to non-vehicle access version with timber cill/bottom piece and a Stormguard threshold if you choose to customise your doors & frame. Frame can be upgraded to non-vehicle access version with timber cill/bottom piece and a Stormguard threshold.
Enter the tight opening height within your current door frame (i.e. where the doors would sit).

Get a price online for heights from 1600mm to 2400mm high. For heights smaller/larger than this please contact us.
Enter the tight opening width within your current door frame (i.e. where the doors would sit).

Get a price online for widths from 1500mm to 2800mm wide. For widths smaller/larger than this please contact us.
Everything we manufacture is made to measure, to cover all size combinations online that we are able to produce is practically impossible!
Prices online are for heights between 1600mm to 2400mm high & 1500mm wide to 2800mm wide, for any sizes outside these please contact us at
enquiries@woodworkersuk.co.uk for a personalised costing.
Enter the tight opening height within your current door frame (i.e. where the doors would sit).

Get a price online for heights from 1600mm to 2400mm high. For heights smaller/larger than this please contact us. Get a price online for heights from 1600mm to 2400mm high. For heights smaller/larger than this please contact us.
Enter the tight opening width within your current door frame (i.e. where the doors would sit).

Get a price online for widths from 800mm to 1400mm wide. For widths smaller/larger than this please contact us.
Everything we manufacture is made to measure, to cover all size combinations online that we are able to produce is practically impossible!
Prices online are for heights between 1600mm to 2400mm high & 750mm wide to 1400mm wide, for any sizes outside these please contact us at
enquiries@woodworkersuk.co.uk for a personalised costing.
Diagram and explaination showing how to measure up for a pair of garage doors with and without a door frame
Please choose from our range of selected timbers
Please choose from our range of selected timbers
Please select from our range of timbers
Please select from our range of timbers
Accoya is priced as suitable for painting, if you intend to stain the timber then please contact us for a price enquiries@woodworkersuk.co.uk.
Image showing detail of door frames and bottom cill with threshold or garage door floor seal
Three piece door frames are supplied pre-jointed in same choice of timber as doors.
If selecting a door frame then we need the height from floor to underside of lintel.
In width we required the brickwork opening measurement.
We then manufacture the door frame to suit your opening and the doors to suit the door frame.

If selecting the cill option, then the frame becomes a 4 piece frame, with bottom timber to span the opening.

If selecting the non vehicle option then the cill for the Scan. Redwood option will be Meranti (Hardwood).
Three piece door frames are supplied pre-jointed in same choice of timber as doors.
If selecting a door frame then we need the height from floor to underside of lintel.
In width we required the brickwork opening measurement.
We then manufacture the door frame to suit your opening and the doors to suit the door frame.

If selecting the cill option, then the frame becomes a 4 piece frame, with bottom timber to span the opening.

If selecting the non vehicle option then the cill for the Scan. Redwood option will be Meranti (Hardwood).
Please let us know which door you want to be the main opening door when viewed from the outside & whether the doors are to open in or out?
Does the door open in OR out and which side (when viewed from rear) is the hinge side?
This allows the top section of the doors to open independently of the bottom section.

Height of split on the Brenig is determined by transome (rail at which the openings for glazing start).

Additional hinges & ironmongery will be required for the stable door option.

Opting for the stable split on the garage doors does however not let us supply U-Values for the doors, so they will not meet Part L of the Building Regs as not tested as stable doors.
This allows the top section of the doors to open independently of the bottom section.

Height of split on the Brenig is determined by transome (rail at which the openings for glazing start).

Additional hinges & ironmongery will be required for the stable door option.

Opting for the stable split on the garage doors does however not let us supply U-Values for the doors, so they will not meet Part L of the Building Regs as not tested as stable doors.
What are stable style garage doors
Weather mould or drip fits to front of doors (usually fitted after doors have have been hung) and acts as a water run of and taking the water away from bottom edge of door.
Weather mould or drip fits to front of doors (usually fitted after doors have have been fitted) and acts as a water run off, stopping water ingress as a result of capillary attraction.
Image showing what a weathermould is and where it fits on a door
Garage door threshold seal
Ideal if you have an out of level/sloping garage floor from side to side or you need to keep you doors up from the floor to clear obstructions as they are opened (rising driveways for example). Comes complete with adhesive.
Ideal if you have an out of level/sloping garage floor from side to side or you need to keep you doors up from the floor to clear obstructions as they are opened (rising driveways for example). Comes complete with adhesive.
garage door ironmongery options
All packs contain 2 Pair 450mm/18" Cranked band & gudgeon hinges, 1 x 18" Dropbolt, 1 x 15" Bow handle bolt & all fixings required. (Bow handle option for black on galvanised is standard black. Bow handle bolts are not manufactured in Stainless steel, so a second dropbolt is supplied in its place. If selecting the stable door option then additional ironmongery will be required.
All packs contain 3 Pair 450mm/18" Cranked band & gudgeon hinges, 1 x 18" Dropbolt, 1 x 15" Bow handle bolt & all fixings required. (Bow handle option for black on galvanised is standard black. Bow handle bolts are not manufactured in Stainless steel, so a second dropbolt is supplied in its place. If selecting the stable door option then additional ironmongery will be required.
All packs contain 2 Pair 450mm/24" Cranked band & gudgeon hinges, 1 x 18" Dropbolt, 1 x 15" Bow handle bolt & all fixings required. (Bow handle option for black on galvanised is standard black. Bow handle bolts are not manufactured in Stainless steel, so a second dropbolt is supplied in its place. If selecting the stable door option then additional ironmongery will be required.
All packs contain 3 Pair 450mm/24" Cranked band & gudgeon hinges, 1 x 18" Dropbolt, 1 x 15" Bow handle bolt & all fixings required. (Bow handle option for black on galvanised is standard black. Bow handle bolts are not manufactured in Stainless steel, so a second dropbolt is supplied in its place. If selecting the stable door option then additional ironmongery will be required.
locking options for side hinged garage doors
Select your choice of locks if required. Mortice deadlocks & Sashlocks are the most secure and operated by key from either side. Brenton Padbolts are lockable by way of a padlock (not supplied) and the Long throw locks fit to (usually the rear) of the gates, doube locking is key operated from either side, single locking is key operated from front, with latch on rear to unlock. Mortice sashlocks require handles (see below) & both the mortice deadlock & sashlocks come with rebate kits.
Choose your hinges
Contains 1 Pair 18" / 450mm Cranked band & gudgeon hinges. 76mm Security butt hinges can also be supplied if required, these are not recommended for outward opening doors.
Contains 1.5 Pair 18" / 450mm Cranked band & gudgeon hinges. 76mm Security butt hinges can also be supplied if required, these are not recommended for outward opening doors.
Contains 1 Pair 24" / 600mm Cranked band & gudgeon hinges.
76mm Security Butt hinges can be supplied if required, these are not recommended for outward opening doors.
Contains 1.5 Pair 24" / 600mm Cranked band & gudgeon hinges.
76mm Security Butt hinges can be supplied if required, these are not recommended for outward opening doors.
Select your choice of locks if required. Mortice deadlocks & Sashlocks are the most secure and operated by key from either side. Brenton Padbolts are lockable by way of a padlock (not supplied) and the Long throw locks fit to (usually the rear) of the gates, doube locking is key operated from either side, single locking is key operated from front, with latch on rear to unlock. Mortice sashlocks require handles (see below).
Any additional details you think might be relevant to help us build your bespoke product.
Grand total
Pay a deposit of 25% per item
Current lead times are approx 12-14 weeks at present

Description

Our Brenig insulated garage doors feature 4 openings for glazing per door.

Each opening is supplied internally pre-beaded & for additionally security glazing goes into the doors from the rear.

Doors are supplied with draught strip as standard as are door frames (when ordered).

Available with or without door frames –
With a door frame you have a choice of vehicle acces with a drive over floor seal or as non vehicle acces with a timber cill and Stormguard thermal break threshold (available in a gold or chrome coloured finish).

Floor seals are also available if you do not opt for a door frame.

Please note that U-Values are based on door and frame, and should be used as guidance only if fitting the doors into an existing door frame.

Brenig insulated garage door specifications

Available in five kiln dried timbers –

Prime European Oak (Hardwood)
Idigbo (Hardwood)
Meranti (Hardwood)
A1 Accoya (Acetylated Softwood)
Unsorted Scandinavian Redwood (Softwood)

* Brenig insulated garage door U-Values –
The lower the number the better the insulation value is
Scandinavian Redwood (Softwood) 1.2 W/m2K
Meranti/Idigbo/Oak (Hardwoods) 1.4 W/m2K
Accoya (Modified Softwood) 1.2 W/m2K

* U-Values are based on a door set (i.e. doors and frame supplied by ourselves) only.
* The above U-Values do not apply to customised stable doors.

To achieve the stated U-Values on the above partially glazed doors then you need to use Argon filled Pilkington K/S Glazing with a centre pane value of 1.2W/m2K. Spacers for glazing should be warm edge.

Construction – through, wedged morticed & tenoned jointed frame with glazing bars morticed & tenon jointed into both stiles & rails of doors. Connecting joints of glazing bars halve jointed.
Height – Made to measure
Width – Made to measure
Stiles – 3 3/4″ x 2 1/2″ / 95mm x 65mm
Heads/Top rails – 3 3/4″ x 2 1/2″ / 95mm x 65mm
Bottom & Centre rails – 5 3/4″ x 2 1/2″ / 145mm x 65mm
Rebated meeting stiles (the doors overlap when closed).
Glazing bars – 2 1/2″ x 2 1/2″  / 65mm x 65mm
Glazing – Not supplied. Takes upto 30mm thick glazing.
Supplied internally pre-beaded.

Our Guarantee

Gate Expectation’s mission is to bring the highest quality bespoke measured wooden gates, side hung wooden garage doors and general joinery items to the market at a quality and price point that can’t be matched.

If not completely satisfied we offer 30-day no hassle returns on all our off-the-shelf range.

Three generations of master carpentry and joinery experience in each and every product. Read more about our history here.

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