Insulated sectional garage doors in Derry

Choosing an insulated sectional door for a home in Derry

How much difference do seals make?

Panels are only half the story. A good door has a flexible bottom seal that follows uneven floors, brush or rubber side seals, a head seal and finger-safe joints with gaskets between sections. A badly sealed insulated door can lose more heat round the edges than through the panels, so seals are checked and set on fitting day.

How long do the panels last?

Galvanised and factory-coated steel panels are made for many years of outdoor use. Look after the coating with an occasional wash, keep the bottom seal clear of grit and leaves, and book a service every year or so to keep springs and cables in order.

Which options are available in Derry?

• Any finishRibbed, flush, cassette, woodgrain and coloured finishes are all available with insulated panels.
• Electric or manualMost insulated doors are motorised; manual operation is possible on lighter doors.
• Window insertsAdd glazed inserts for daylight; they slightly reduce thermal performance.
• Seals all roundBottom, side and head seals, plus gaskets between sections.

Guide price for an insulated sectional door in Derry

Guide price: £2,095–£3,495 inc VAT. That covers the door, fitting, removal of a standard old door and VAT; the fixed price follows the free survey.

At the free survey we measure everything the manufacturer needs, check the brickwork, lintel and floor, and agree the door details with you.

What rules apply in Derry?

Derry falls under Derry City and Strabane District Council for planning and building control, which is the place to check if your home is listed or in a conservation area.

In Northern Ireland a new door within the existing opening generally needs no planning permission. Listed buildings and conservation areas are the exceptions.

Under the Windsor Framework, products placed on the market in Northern Ireland follow EU rules, so doors carry CE marking (with UKNI where a UK body assessed them). UKCA marking on its own is not accepted in Northern Ireland.

What happens next?