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.

08/06/2026

Another SOLTHERM Project Taking Shape in Co. Meath!

Progress is moving well on this stunning home in Dunboyne, built using the Castleforms ICF wall system and finished with our premium SOLTHERM External Insulation & Render System.

The beading and first basecoat are now nearly complete, showcasing a new detail at DPC level between the insulated raft foundation and ICF walls, delivering a clean, flush finish and enhanced detailing throughout the build.

✅ Exceptional thermal performance
✅ Reduced energy costs
✅ Airtight, durable construction
✅ Modern, high-quality finishes
✅ A complete building envelope solution from one trusted supplier

A great example of how the right products and attention to detail can create a highly efficient, future-proof home. Well done to all involved on another quality project.

ICF Installer : Conform

Soltherm Installers : EAK Insulations

EAK Insulations

04/06/2026

🏡 Project Spotlight – Lifford, Co. Donegal
Great progress on this Mica rebuild project in Lifford, Co. Donegal, showcasing the benefits of modern, energy-efficient construction.
Built using our 360mm Castleforms ICF system and finished with the Soltherm external render system, this home is being expertly delivered by Melmc Construction.
Projects like this highlight how ICF construction provides strength, comfort, energy efficiency and long-term performance for homeowners rebuilding and future-proofing their homes.
We're looking forward to seeing this fantastic project completed.

[email protected]
www.castleforms.com

29/05/2026

🏡 Progress taking shape in Ferrybank, Co. Wexford
This impressive residential development is coming together with a high-performance building envelope designed for durability, energy efficiency, and long-term comfort.
✅ Developer: Apple Tree Homes
✅ Installer: Darmic
✅ 400mm High Raft Therm
✅ 310mm ICF Walls
✅ Soltherm Render
A great example of how our integrated approach delivers a complete solution from foundation to façade. Another quality project moving closer to completion!

28/05/2026

🏡 Another impressive ICF project delivered with speed and precision in Donegal.
This stunning one-off home was built using our 360mm Passive Block system, delivering exceptional insulation and energy efficiency from the ground up.
Installed by P McDaid ICF Structures and completed in just 2 weeks 👏
At Castleforms, we’re proud to support projects across Ireland with high-performance ICF solutions built for modern construction.

[email protected]
www.castleforms

ModernConstruction ICFConstruction SustainableBuilding IrishConstruction BuildBetter

26/05/2026

Castleforms Ltd ICF FireBlock is a game-changing innovation within their ICF Therm system range.
 
Fire Safety You Can See and Trust
 
What sets it apart? Total visibility. Fire protection is built in, clearly seen and easily verified at every stage – giving real confidence in compliance.
 
Eliminating reliance on site-installed fire stopping, ICF FireBlock reduces risk, improves build quality and ensures consistent compartmentalisation in multi-storey ICF buildings – without compromising thermal or structural performance.
 
Want to raise the visible safety standards of your next project? Contact our team today: [email protected]
 
FireSafety

18/05/2026

Castleforms supplies modern ICF wall systems and insulated raft foundations designed for faster construction, excellent energy performance and long-term durability.

✔ Faster build times
✔ Energy efficient homes
✔ Strong + durable construction
✔ Technical support throughout your build
Build Faster. Build Warmer.

Message Castleforms⁠ today to learn more.
RaftFoundation ICFConstruction IrishConstruction

Exciting progress on-site in Wexford! We’ve supplied our 400mm high Raft Therm foundation system, our ICF Therm 310 bloc...
15/05/2026

Exciting progress on-site in Wexford!
We’ve supplied our 400mm high Raft Therm foundation system, our ICF Therm 310 blocks, and the Soltherm render system—creating energy-efficient homes!

EnergyEfficientHomes

Site conditions are rarely perfect, and supervision isn’t always consistent. That’s exactly where ICF FireBlock makes th...
13/05/2026

Site conditions are rarely perfect, and supervision isn’t always consistent. That’s exactly where ICF FireBlock makes the difference. It removes the risk of hidden defects, even when quality control falls short.

With ICF FireBlock, installers can quickly cut, pack, and seal around services using the same mineral wool material – preserving fire integrity without restricting design or service layout.

No guesswork or hidden complexity. Installed before the pour and still visible after, ICF FireBlock gives installers complete confidence – so it’s done right the first time.

Want to improve fire safety in ICF Construction, then Head to: www.castleforms.com/icf-fireblock-range

FireSafety

11/05/2026

Pallaskenry progress update looking seriously impressive! From the 400mm Raft Therm foundation right through to the 310mm ICF system, this development is flying ahead. Roof structures now taking shape and the scale of the project is really starting to come to life.
Great work by all involved on site!

08/05/2026

A stunning development recently completed in Ferrybank Wexford showcasing the benefits of a complete building solution from Castleforms.

This project utilised the full Castleforms package — from the insulated raft foundation system, to our high-performance ICF wall system, all finished with the premium Soltherm external render system for a modern, durable and energy-efficient finish.

By combining these systems together, the result is a highly insulated, airtight home built for long-term performance, comfort and style.

A fantastic example of modern construction done right 👏

ModernConstruction CastleForms InsulatedRaft AirtightHomes IrishConstruction

Address

Port Laoighise

Opening Hours

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

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