About Us
Trusted Structural Repair & Grouting Specialists
Reliable, Experienced & Practical Engineering Solutions
With over 29 years of hands-on experience, Gwynedd Grouting Ltd provides expert structural repairs, pressure grouting, and slope stabilisation services across civil engineering, infrastructure, and public sector projects. From sea defences to culverts and tunnels, we work on challenging jobs where precision, safety and long-term results matter.
We’re based in North Wales but operate nationwide, delivering expert services across the UK. From local projects to complex work in hard-to-reach areas, we regularly travel throughout Wales, the North West, and beyond.
Why Contractors & Engineers Choose Gwynedd Grouting
When you're managing complex infrastructure or repair projects, you need a team that understands the ground, the structure, and the pressure you're under. At Gwynedd Grouting, we combine specialist knowledge with nearly three decades of on-site experience to deliver dependable, long-lasting results.
Proven Experience
With nearly three decades in the civil engineering sector, we bring practical expertise to every project - from bridges and reservoirs to nuclear infrastructure.
Specialist Techniques
We use both mechanical and manual pressure pointing, grouting, and anchoring methods depending on the needs of the structure, site and surrounding ground conditions.
Adaptable to Complex Sites
From tidal zones to restricted-access infrastructure, we’re used to working in challenging environments. Our team plans carefully and adapts on-site to keep work moving safely and efficiently.
Responsive & Reliable
We understand site pressures and deadlines. Our crews are flexible, efficient and fully trained to work in coastal, remote or restricted-access locations.
Long-Term Thinking
We don’t cut corners. Whether we’re sealing cracks or rebuilding stonework, our focus is always on structural integrity and durability.
Safe & Compliant Working
Health and safety is built into everything we do. Our team follows strict site protocols and industry standards to ensure work is carried out safely, efficiently, and with full compliance from start to finish.
structural repairs and geotechnical works
Specialist Repairs, Grouting & Stabilisation for Civil Engineering Projects
Deep mortar injection into retaining walls and structures using mechanical worm pumps to seal and strengthen vulnerable areas.
Liquid grout injection to stabilise voids, backfill disused infrastructure or combine with pointing for enhanced strength.
High-tensile coated mesh and anchoring systems for slope stabilisation and rockfall protection.
Construction, reinforcement or rebuilding of walls that hold ground in place on slopes, terraces and excavations.
Replacing damaged mortar, cracked concrete or failing stonework with expert remedial techniques.
Stabilisation and repair of ageing or failing culverts, including underpinning and sealing to prevent collapse or water ingress.
Assessment and intervention to ensure safe interaction between ground and structures, including slope analysis and ground anchoring.