Dungannon · County Tyrone
Sliding Doors in Dungannon
If your patio doors in Dungannon could be lifted off their track or no longer lock properly, we can survey them and quote for secure replacements.
- BT71
- Guide from £1,795
Dungannon: sliding patio doors
Lift-and-slide doors raise the panel off its seals when the handle is turned, so it glides easily, then lower it back onto the gaskets when closed. This allows very large, heavy panels with good weather sealing. Standard in-line sliders are lighter, simpler and usually cost less.
Sliding doors use large panels running on rollers within a multi-track frame. A two-panel door has one fixed and one sliding panel, while three or four-track systems let several panels stack behind each other for a wider opening. Panels can also slide into a wall pocket on some systems.
Security on sliding doors depends on multi-point hook locks that grip the frame, anti-lift blocks that stop panels being lifted off the track, internally glazed beads and an anti-snap cylinder. Older patio doors without anti-lift protection can sometimes be lifted out, so ask whether the system is tested to PAS 24.
Older patio doors with worn rollers often feel heavy and grind along the track. Modern sliding doors use adjustable stainless or sealed bearing rollers designed for heavy glass, but they still need a clean, level track. Grit in the bottom track is the main reason a sliding door becomes stiff.
What's included
- Survey of the opening, levels and support above
- Removal and disposal of the existing doors
- Toughened or laminated safety glass in every panel
- Fitting, levelling, roller adjustment and sealing
Local details for Dungannon
- Postcodes covered
- BT71 and the surrounding area, including Cookstown, Armagh and Portadown
- Coast
- Dungannon is well inland, around 55 km from the nearest coast, so salt exposure is not usually a factor.
- Daylight and sun
- In Dungannon the midwinter sun reaches about 12° above the horizon at noon, with roughly 7.0 hours of daylight, rising to about 59° and 17.0 hours in midsummer. Large sliding panes on south or west elevations can bring strong solar gain and glare, so solar-control or neutral low-E glass helps keep rooms comfortable. On north-facing elevations, high light-transmission glass and slim frames make the most of limited winter daylight.
- Access and setting
- Rural patios are often uneven or sit below the floor, so threshold height, drainage and level tracks need careful planning. Exposed sites benefit from stiffer frames, robust weather seals and laminated glass, as homes may be some distance from neighbours.
- Rules in Northern Ireland
- Technical Booklet V covers safety glazing in Northern Ireland, including glass in and around doors and low-level glazing where people could walk into it.
Guide prices in Dungannon
| Typical job | Guide price inc VAT |
|---|---|
| Aluminium slider, 1800 mm wide | £2,695 – £3,495 |
| Aluminium slider, 3000 mm wide | £3,995 – £5,095 |
| Lift-and-slide, 4000 mm wide | £6,695 – £8,595 |
| uPVC patio door, 1800 mm wide | £1,795 – £2,395 |
Get a guide price for your size
For replacement doors and windows in Northern Ireland, PAS 24 products are a sensible choice for security.
What you can choose
uPVC patio doors
A lower-cost in-line sliding door with chunkier frames, available in white, grey and woodgrain foils for standard openings.
Lift-and-slide doors
Panels lift off their seals to glide, then drop to seal tightly when closed; suited to very large, heavy glass panels.
Multi-track configuration
Two, three or four tracks so several panels stack behind each other, opening one or both sides of the frame.
Sliding Doors in Dungannon: questions
What guarantee comes with sliding patio doors?
Manufacturer guarantees apply to the frames, coating, rollers, locks and sealed units, and the terms are confirmed in writing. Cover for rollers can depend on regular cleaning, so read the conditions. Guarantee terms for the installation are set out in writing with your quote, so you know exactly what is covered before you go ahead.
Are sliding doors better than bifold doors?
Neither is better for every home. Sliding doors suit people who want large panes, slim frames and an uninterrupted view when the doors are closed. Bifold doors suit people who want to open almost the full width in summer. Sliding doors also take no space inside or out when opened, which helps on small patios and balconies.
How long does it take to install sliding doors?
Replacing a typical set of sliding patio doors takes about a day on site, and large multi-panel or lift-and-slide systems can take longer, especially if lifting equipment is needed. The doors are made to order first, and the manufacturing lead time is confirmed in writing when you accept the quote.
What maintenance do sliding patio doors need?
Sliding patio doors need regular cleaning of the bottom track and drainage slots, a wipe of the frames with mild soapy water and occasional checks of the brush seals and locks. Avoid oiling the track, which attracts grit. If a panel starts to drag, roller adjustment is usually a short job for a glazier.
Do you cover Dungannon for sliding doors?
Yes. We can quote for sliding doors across Dungannon and the surrounding County Tyrone area, including postcode districts BT71, and nearby Cookstown, Armagh and Portadown. Start with your postcode on the quote form and a glazier will arrange a free survey before giving you a written quote.
Get a written quote in Dungannon
Free survey for new glazing, clear guide prices and one point of contact for every glazing job.