Castleforms Ltd

Castleforms Ltd Castleforms is a privately owned company that operates out of a newly commissioned manufacturing facility (2016) centrally located in the town of Portlaoise.

Castleforms is a manufacturer of high quality Expanded Polystyrene (EPS) insulated products and systems that are used in the new build and retrofit construction sector.
* ICF Therm Wall System
* Raft Therm Foundation System
* Soltherm Render
* EWI Castleforms is a manufacturer of high quality Expanded Polystyrene (EPS) insulated products and systems that are used in the new build and retrofit con

struction sector. By utilizing modern manufacturing equipment and production methods, Castleforms is focused on developing creative solutions. We continue to expand and develop new products to cater for increasing markets and strive to deliver products of exceptional quality along with an excellent customer service.

21/08/2026

🚧 Freshford, County Kilkenny | Castle Forms ICF 310 Pour
Good morning from Freshford! β˜€οΈ
Another busy morning on site as gets to work on this Castle Forms ICF Therm 310 pour, forming part of a 40-unit residential development in Freshford, Co. Kilkenny.
With the concrete mixer and pump working together, the team is getting the concrete exactly where it needs to go β€” efficiently, safely and with the reach required across this substantial site. πŸ’ͺπŸ—οΈ
The Castle Forms ICF Therm 310 system provides a continuous insulated formwork solution, combining structural concrete with high-performance insulation to create energy-efficient, durable buildings.

ICF Installer

A great example of modern construction in action β€” Castle Forms ICF Therm + Maher Concrete + Maher Concrete Pumping, working together to keep the pour moving. πŸ‘Š

πŸ“ Freshford, Co. Kilkenny
🏘️ 40-unit residential development
🧱 Castle Forms ICF Therm 310
πŸš› Maher Concrete
🚧 Maher Concrete Pumping
ICFConstruction ICF InsulatedConcreteFormwork ConcretePumping ConcretePour

20/08/2026

πŸš€ DELIVERED MONDAY. POURING FRIDAY.
That’s the sheer speed of the CastleForms ICF Therm 310 Wall System.
For this project, the ICF Therm 310 was delivered to site on Monday β€” and by Friday, the walls were ready to be poured. Just four days from delivery to concrete pour.
But speed is only part of the story.
The 310 system delivers a high-performance building envelope with:
πŸ”Ή U Value .19
πŸ”Ή Excellent thermal performance
πŸ”Ή Reduced thermal bridging
πŸ”Ή Outstanding airtightness
πŸ”Ή Excellent acoustic performance
πŸ”Ή Strength and durability from the reinforced concrete core
πŸ”Ή A fast, straightforward construction process
So you’re not just building faster β€” you’re building a more energy-efficient, comfortable and durable home.
Speed of construction. Performance for the future.
πŸ—οΈ CastleForms β€” The Future of Tradition.

Featuring
InsulatedConcreteForms

14/08/2026

Branagh Homes | Freshford, Co. Kilkenny 🏑

Progress is moving at pace on this new 40-home development in Freshford, Co. Kilkenny, with CastleForms ICF Therm 310 being used throughout the build. The system features our ICF Therm 310 grey block with a .19 U value, supporting strong thermal performance and efficient construction on site.

Materials were delivered on a Monday, and the team were already preparing to pour the rising walls by Friday β€” a clear example of how quickly an ICF system can advance once work gets underway.

Delivered Monday. Pouring Friday. πŸ”¨

Another CastleForms project taking shape with ICF Therm 310.

ICFConstruction Therm310 BuildingProgress ConstructionIreland HousingDevelopment EnergyEfficientHomes SiteProgress ModernMethodsOfConstruction

13/08/2026

🏑 A complete exterior transformation.
πŸ“ Co. Meath.
The existing home received 100mm and 50mm external wall insulation, then finished in Soltherm external render system in off-white. Alongside this, a new Castleforms ICF Therm extension was constructed and also finished in the Soltherm external render system in off-white, creating one cohesive finish. Decorative mouldings around the front windows and entrance, plus a crisp external plinth, complete the look. πŸ‘ Completed by EAK Insulations.
ICF installed by Conform Construction.
🧑 Castleforms. Built for performance, finished with precision.

Insulation ICFConstruction HomeExtension HomeRenovation IrishConstruction Meath EAKInsulations

07/08/2026

The perfect finish for modern construction.

This beautiful private residence in Kinnegad, Co. Westmeath showcases the outstanding finish that can be achieved with the Soltherm External Render System, supplied by Castle Forms and expertly applied by EAK Insulations, including the stunning thin stone detailing.
As one of Ireland's leading distributors of the Soltherm External Render System, Castle Forms is proud to supply a premium render solution that's ideal as a finished top coat for ICF construction, delivering exceptional durability, weather resistance and long-lasting kerb appeal.
βœ”οΈ Ideal for ICF builds
βœ”οΈ Wide range of colours and finishes available
βœ”οΈ NSAI Approved & Certified for use in Ireland
βœ”οΈ High-performance, low-maintenance external render system
βœ”οΈ Expert technical advice and nationwide supply
Whether you're a self-builder, contractor or developer, the Soltherm External Render System from Castle Forms provides the quality finish your project deserves.
Get in touch with the Castle Forms team to learn more about our complete range of external render solutions.
SelfBuildIreland ConstructionIreland ArchitectsIreland BuildersIreland EnergyEfficientHomes ModernConstruction RenderSystems PassiveHouse IrishConstruction BuildingExcellence

30/07/2026
🚨 Plasterers – You're Invited! 🚨CastleForms are running a FREE LIVE Soltherm Demo this Tuesday at 9:30am in Portlaoise (...
23/07/2026

🚨 Plasterers – You're Invited! 🚨
CastleForms are running a FREE LIVE Soltherm Demo this Tuesday at 9:30am in Portlaoise (R32 DP27).
Come along and see:
βœ… Machine rendering in action
βœ… EWI & ICF application techniques
βœ… Tips from the Soltherm team
βœ… The complete system from start to finish
If you're a plasterer looking to pick up new skills or see the latest systems in action, this is well worth your time.
πŸ“ R32 DP27
πŸ“ž Shane: 086 398 5750
Hope to see you there!

Following our recent success at the Irish Building and Design Awards, we are pleased to announce ICF FireBlock has now b...
22/07/2026

Following our recent success at the Irish Building and Design Awards, we are pleased to announce ICF FireBlock has now been shortlisted in the Product Innovation category at the 2026 Offsite Awards.
This recognition reflects our commitment to developing practical innovations that make offsite construction safer, smarter and more efficient.
Being recognised alongside some of the industry's leading innovators is a fantastic achievement, and we'd like to thank everyone involved in the development, testing and certification of ICF FireBlock.

Congratulations to all of this year's finalistsβ€”we're looking forward to celebrating with you at the Offsite Awards!

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Address

Port Laoighise

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm

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