Liquid screed in Longford
Liquid screed across Co. Longford, from Longford to Edgeworthstown: calcium sulphate or cement-based, from 35 mm floating in a house and 25 mm over the heating pipes.
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- 98new homes finished in Co. Longford in 2025 (CSO)
- 40%of homes built from 2001 on (Census 2022)
- 2,094heating degree days a year at Longford
- 12%of homes tested over the radon reference level (EPA)
The floors going in in Longford
One-off houses were 79% of the 98 new homes finished in Co. Longford in 2025. Most go in with underfloor heating and a heat pump, and a liquid screed only needs 25 mm over the pipes, against 65 mm or more of sand and cement. Another 164 homes were finished from January to September 2026. Longford is 26th of the 26 counties for new homes and 24th for one-off houses.
Newer houses and heating in Longford
40% of homes in Co. Longford were built from 2001 on, and 23% had a renewable energy source such as a heat pump or solar panels at the 2022 census, against 8% built since 2011 nationally. New and extended houses here are where underfloor heating goes in, and where a liquid screed pays its way.
A calcium sulphate screed conducts heat about twice as well as sand and cement, and it wraps the pipe with no air round it. Over the pipes it goes down 25 to 30 mm, so the floor warms up faster and the heat pump runs at a lower temperature.
Winter and drying in Longford
Longford has about 2,094 heating degree days a year, our calculation from Met Éireann's 1991 to 2020 averages: a longer, colder heating season than the middle of the 26 counties (6th coldest).
Liquid screed dries about 1 mm a day for the first 40 mm in good conditions, then 2 days per mm. In a cold, damp building it's slower. Keep the building closed for the first 48 to 72 hours, then warm and ventilated. With underfloor heating, a calcium sulphate screed can be force-dried from day 7 and in a cold county that is often what keeps the programme on time.
Radon under the screed 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 (13th of 26 counties; 14% nationally). In a High Radon Area the membrane goes under the insulation, so a floating liquid screed sits on top of it. The polythene under the screed is lapped and taped so the screed can't run through, and the edge strip is fixed before the pour, never through the membrane.
What liquid screed costs in Longford
Liquid screed in Co. Longford is priced per m² for your floor. What moves it: the area, the depth, calcium sulphate or cement-based, how close the truck can get, and whether the price includes sanding and priming. A 60 m² extension at 50 mm is 3 m³ of screed; the same floor at 40 mm is 2.4 m³.
56% of people in Longford live outside any town. On a rural site, tell the contractor about the lane and the turning space: the truck and the pump need to get within reach of the house. See liquid screed cost.
Liquid screed poured 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. 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 floor in and one screeding contractor who covers your county rings you.
How much does liquid screed cost in Longford?
Liquid screed is priced per m² for your floor: the area, the depth, calcium sulphate or cement-based, and how close the truck can get. Send the floor in and you get a written price.
How long does liquid screed take to dry in Longford?
About 1 mm a day for the first 40 mm, then 2 days per mm, in a warm, ventilated building. 50 mm is about 60 days. With underfloor heating, a calcium sulphate screed can be force-dried from day 7. The moisture test decides when the floor goes down.
Does a Longford self-build need a radon membrane under the screed?
In a High Radon Area, yes, and 12% of homes measured in Longford were over the reference level. The membrane goes under the insulation, before the screed.
Liquid screed across all 26 counties
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