Concrete contractors in Longford
Concrete slabs, foundations, power floated floors, bases and yards across Co. Longford, from Longford to the farms: a floor slab at least 150 mm on 200 mm of hardcore, foundations to the engineer's drawing.
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- 77one-off houses finished in Co. Longford in 2025 (CSO)
- 2,515farms (CSO)
- 12%of homes tested over the radon reference level (EPA)
- 2,094heating degree days at Longford
What's being built in Longford
98 new homes were finished in Co. Longford in 2025: 77 one-off houses, 6 scheme houses and 15 apartments (24th of 26 counties for one-off houses). 63% of all homes in Longford are detached.
One-off houses mean foundations on open ground. The engineer looks at the ground first: strip footings on good ground, trench fill where the sides won't stand, a raft where it's soft. Then a ground floor slab of at least 150 mm on at least 200 mm of compacted hardcore. See concrete foundations.
Yards and farm slabs in Longford
The CSO counts 2,515 farms in Co. Longford, fewer than most counties. Yards, slatted sheds, silage slabs and calving pens are built to the Department of Agriculture's S.100 specification, with thicker slabs, a stronger mix and falls to the drains. A yard that takes a loaded tractor is a different pour from a garage floor. See yards and farm slabs.
Radon under the slab in Longford
12% of the 354 homes the EPA has measured in Co. Longford were at or above the radon reference level of 200 Bq/m³, below the national 14% (13th of 26).
Under a ground floor the layers go: hardcore, blinding, the damp-proof membrane joined to the wall DPCs, and in a High Radon Area a radon barrier sealed over the whole footprint with a sump under it. A radon barrier has been required in High Radon Areas since 1 July 1998, and every house since then needs a standby sump.
Winter pours in Longford
Longford has about 2,094 heating degree days a year, our calculation from Met Éireann's 1991 to 2020 averages: a colder, longer winter than the middle of the 26 counties (6th coldest).
Concrete has to stay above 5°C for its first 48 hours, until it's strong enough to take a frost. Winter pours are planned round the forecast, with frost blankets on the slab and no concrete on frozen ground. See how long concrete takes to cure.
Floors laid by the contractor who takes your call
Calls on this site ring JAM Floor Screeding: James Mulhall, based in Portlaoise, 25 years laying floors. Lines open Mon to Sat, 7am to 6pm. He pours concrete floors, slabs and foundations as well as screed. These are his jobs.
“JAM were punctual, professional and efficient and did an outstanding job on pouring our new floor as part of a renovation. Very highly recommend!”
“Excellent work, laser level finish, neat and tidy worker, highly recommend.”
“Top class work by james and his crew, highly recommend”
Quoted word for word from JAM Floor Screeding's Google reviews. Read them on Google
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Longford questions
Do you cover all of Co. Longford?
Yes: Longford, Edgeworthstown, Ballymahon, Drumlish, Granard and Newtownforbes and everywhere in between. Send the job and one concrete contractor who covers your county rings you.
How much does a concrete slab cost in Longford?
A slab is priced per m² and a foundation per metre, for your job: the area and depth, the concrete grade, the steel, access for the truck and what's under the slab. Send the job and you get a written price.
Does a new slab in Longford need a radon barrier?
In a High Radon Area, yes, sealed over the whole footprint with a sump. 12% of homes measured in Longford were over the reference level.
Can concrete be poured in a Longford winter?
Yes, with planning: not on frozen ground, kept above 5°C for the first 48 hours, and covered against frost.
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