Established in 1987, McGuinness Building Preservation Ltd are an Irish-Owned & Family-Run business. Years of experience coupled with our own innovative conservation solutions has allowed us to build an enviable portfolio of projects, in both the public and private building industry sectors. Renowned for offering exceptionally high standards of quality and service, we are long standing members of leading industry organisations.

Our Services

Offering a full range of building services including block/brick work, plumbing, electrical services & plastering, our initial consultations are of no obligation to our prospective clients. We exclusively use trusted, premium brand materials in all of our projects, ensuring peace of mind for our clients that their building issue will not return. We also supply a written guarantee with all of our projects, upon completion.

Dry Rot & Wet Rot

A fungal attack on untreated timber, Rot has the potential to travel quickly through a moist or damp building. Complete treatment of the fungus requires a comprehensive scheme of chemical treatment and a carefully detailed programme of associated building work.

Read More

Timber Cleaning, Repair & Restoration

We specialise in removing paint, superficial soiling & crusted coatings on historically valuable timber surfaces, using our carefully developed cleaning technique. Coupled with our low disturbance repair process, new sections of timber can be species matched & are joined using our innovative design approach along with specially designed materials.

Read More


Most often caused by the Common Furniture Beetle, Woodworm is another issue that affects untreated timber in homes. Many woodworm infestations can be eradicated through chemical treatment, however in certain cases the timber may have to be replaced.

Read More

Rising Damp & Damp Proofing

Rising damp refers to moisture in the ground rising up through the structure of a building. The purpose of a damp proof course is to prevent this process by establishing a horizontal barrier - however these do break down over time and often require replacement.

Read More

Condensation, Mould & Ventilation Systems

Condensation is an increasing issue in both dwellings and commercial premises, and is a direct result of improved draught proofing & insulation. We can install a Positive Ventilation System into affected properties, maintaining humidity at a level that prevents the formation of condensation.

Read More

Membrane Systems

Membrane systems are a complete range of products which are used to solve damp problems in both new and old construction projects. They can also be used to deal with aggressive ground water conditions, contamination & salt problems, tunnel lining - & even as a barrier against radon gas.

Read More

Façade & Stone Cleaning & Restoration

The façade, or the face of a building, plays a major part in the appearance & visual impact of a building. They can require comprehensive treatment which is carefully matched to the façade, taking into account any problem areas & producing a durable, sustainable finish.

Read More

Tanking & Waterproofing

Tanking is a completely waterproof membrane applied over a surface, preventing the entry of water. It is exceptionally useful when water-proofing basements, preventing rising damp in floor screed and water-proofing balconies.

Read More

Resin Coating & Concrete Injection

Cracks can occur in concrete for various reasons & can considerably restrict the suitability, bearing capacity & water-tightness of a structure - along with a negative aesthetic effect.To maintain and restore operational use, any cracks appearing in a building or structure must be closed using a variety of concrete injection procedures.

Read More

What Our Clients Say.

We love to hear feedback from all our clients, actively utilising it & improving our service for all our clients.

We were embarking on a major refurbishment of the basement of our building. The ceilings were vaulted and of irregular shape. Prior to the works, the walls were wet and the ceilings were dripping with water. After detailed research, McGuinness Building Preservation Ltd were recommended as the specialist contractor.

The team were involved from the early planning stage and provided valuable advice. When the project was ready for commencement, Harry and the team came on site and worked diligently for three weeks. They applied over 8,000 fixings and the odd ceiling shape presented a great challenge.

Following plastering and painting work, our basement is fantastic – with zero leaks and the damp smell has been totally eliminated.

The first potential tenant who viewed the premises took a five year lease.

We are extremely happy with McGuinness Building Preservation Ltd as specialist contractors, and would highly recommend them – especially for challenging projects and locations.

Jim McMahon, McMahon Design & Management Ltd.

Contact Us

For more details on any of our services, or to book a consultation, please do not hesitate to get in contact. We look forward to your call!

Phone: +353 42 974 1495

Mobile: +353 87 243 2564


Address: Bowelk, Ballybay, Co. Monaghan, Ireland.

Contact Us