Technical Details
We often get asked questions about a number of aspects of purchasing a door. We have compilied a list of some of the most common questions below.
- How can I compare imperial and metric door sizes?
- What is the difference between Dowelled and Mortice & Tenon construction?
- What is the difference between a solid and engineered construction door?
- How much can I trim off my door?
- How should I finish my door?
- The glass has broken in my door, can this be replaced?
- What is the thickness of glass?
- My obscure glazed door has clear patches on the glass, what can I do to rectify this?
- What is the fire rating of my door?
Q1. How can I compare imperial and metric door sizes?
All dimensions are stated Height x Width
Internal Doors
| mm | Inches | Feet & Inches |
|---|---|---|
| 1981 x 457 x 35mm | 78" x 18" | 6' 6" x 1' 6" |
| 1981 x 533 x 35mm | 78" x 21" | 6' 6" x 1' 9" |
| 1981 x 610 x 35mm | 78" x 24" | 6' 6" x 2' |
| 1981 x 686 x 35mm | 78" x 27" | 6' 6" x 2' 3" |
| 1981 x 711 x 35mm | 78" x 28" | 6' 6" x 2' 4" |
| 1981 x 762 x 35mm | 78" x 30" | 6' 6" x 2' 6" |
| 2032 x 813 x 35mm | 80" x 32" | 6' 8" x 2' 8" |
| 1981 x 838 x 35mm | 78" x 33" | 6' 6" x 2' 9" |
| 2032 x 813 x 40mm | 80" x 32" | 6' 8" x 2' 8" |
| 2082 x 836 x 40mm | 82" x 64" | 6' 10" x 2' 10" |
| 2133 x 914 x 40mm | 84" x 36" | 7' x 3' |
| 2040 x 526 x 40mm | 80 1/4" x 20 5/8" | 6' 8" x 1' 8 5/8" |
| 2040 x 626 x 40mm | 80 1/4" x 24 5/8" | 6' 8" x 2' 0 5/8" |
| 2040 x 726 x 40mm | 80 1/4" x 28 5/8" | 6' 8" x 2' 4 5/8" |
| 2040 x 826 x 40mm | 80 1/4" x 32 5/8" | 6' 8" x 2' 8 5/8" |
| 2040 x 926 x 40mm | 80 1/4" x 36 5/8" | 6' 8" x 3' 0 5/8" |
External Doors
| mm | Inches | Feet & Inches |
|---|---|---|
| 1981 x 762 x 44mm |
78" x 30" |
6' 6" x 2' 6" |
| 2032 x 813 x 44mm | 80" x 32" | 6' 8" x 2' 8" |
| 1981 x 838 x 44mm | 78" x 33" | 6' 6" x 2' 9" |
| 2082 x 864 x 44 mm | 82" x 34" | 6' 10" x 2' 10" |
| 2134 x 915 x 44mm | 84" x 36" | 7' x 3' |
Q2. What is the difference between Dowelled and Mortice & Tenon construction?
All our doors have either Dowelled or Mortice & Tenon joint constructions. Our Dowelled doors have joints held together by fluted dowels and adhesive. A Mortice & Tenon door has joints that are held together using traditional Mortice & Tenon joints and adhesive. Both methods delivery strong joints and ensure the doors have a long and durable life.
Q3. What is the difference between a solid and engineered construction door?
A solid timber construction door is, as it says, made from solid sections of timber; be it Oak, Hardwood or Pine. Engineered construction doors use a mixture of timber components including laminated Timber, MDF or Particleboard to form the main structure of the door. A real wood veneer is then applied to the door, usually 0.6mm thick, to give the door the final quanlity appearance you see.
All doors listed on Leader Doors.co.uk are of engineered construction (unless otherwise stated), as this gives greater stability and performance over a solid construction door. In the interest of continual improvement, efficiency and environmental awareness, the door manufacturers reserve the right to include engineered components in there doors.
Q4. How much can I trim off my door?
We often get aksed how much a door can be trimmed down by, below is a guide to the MAXIMUM thresholds for trimming doors.
Internal Real Wood Doors
For any door marked WoodDoor+ it is advised the no more than 6mm be trimmed from any side, top or bottom of the door. Should this occur the Warranty will be rendered invalid.
For any door marked XL it is advised the no more than 6mm be trimmed from any side, top or bottom of the door. Should this occur the Warranty will be rendered invalid.
For any door marked LPD it is advised the no more than 3mm be trimmed from any side, top or bottom of the door. Should this occur the Warranty will be rendered invalid.
Internal Pine & White Moulded Doors
It is advised the no more than 3mm be trimmed from any side, top or bottom of the door. Should this occur the Warranty will be rendered invalid.
Internal Fire Doors
We strongly advise following the manufacturer's recommendations supplied with the door, due to the fact that in a lot of cases if you reduce a fire door it will lose its fire rating.
External Real Wood Doors
It is advised the no more than 6mm be trimmed from any side, top or bottom of the door. Should this occur the Warranty will be rendered invalid. It is advised that you purchase a door that is closest to the required width, even if the height is more, as you are able to reduce the height more than the width without affecting the integrity of the door. However, as with all our doors the warrenty is invalidated if more than 12mm is trimmed of the door.
Q5. How should I finish my door?
For all doors we recommend the following guidelines for finishing your door. If you would like to paint your door we recommend a coat of primer or undercoat and then at least 3 coats of your chosen topcoat. If you would like to apply a stain to your internal door you should apply at least 3 coats of a good quality internal stain/lacquer.
Q6. The glass has broken in my door, can this be replaced?
Our glazed doors are manufactured in a way that the door is built around the glass and therefore there are no loose beads that can be removed to take out the glazing. Unfortunately we cannot provide replacement glass.
Q7. What is the thickness of glass?
- Flat Glass: 4mm approx
- Bevelled Glass: 6mm approx
- Double Glazed: 14mm approx
- Tripled Glazed: 18mm approx
Q8. My obscure glazed door has clear patches on the glass, what can I do to rectify this?
Clear patches on obscure glass are usually a result of the construction process of a door and is caused by a silicone or adhesive "filling in" the glass etching. This can usually be removed by applying a small amount of white sprits and rubbing of the transparent patch. Leave the affected area to dry and the glass should return to an obscure state.
Q9. What is the fire rating of my door?
Only specific fire doors have a fire rating, this is 30 minutes.
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