Driven by quality.
Remedial building experts and home renovation specialists in Sydney. Concrete repairs, waterproofing, balcony and structural remediation, strata and heritage works, and quality renovations, backed by 45+ years of combined experience.
- ★★★★★ 5.0 from 14 Google reviews
- 45+ years combined experience
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- Builders Licence: NSW No. 499865c
- Registered Building Practitioner: BUP4255236
- ABN: 47 698 050 789
Remedial Building Experts Sydney
STAMM Remedial Builders specialises in delivering remedial, restoration and renovation projects across residential, multi-residential and commercial properties.
Our experience spans both complex remedial construction and high-end residential building, giving us a strong understanding of existing structures as well as the planning, coordination and craftsmanship required to deliver major renovations and construction projects.
We work closely with engineers, design practitioners, consultants, architects and clients to turn designs and technical solutions into practical, high-quality outcomes on site. Our experience allows us to approach every project with careful planning, skilled workmanship and a strong focus on quality.
From waterproofing, concrete cancer repair and structural repairs to high-end residential renovations and extensions, our focus remains the same: executing the works properly, protecting the integrity of the building and delivering solutions built to last.
Remedial building and renovation services across Sydney.
STAMM Remedial Builders repairs, waterproofs and restores apartment buildings, commercial properties and homes across Sydney, from concrete cancer repair and balcony remediation to structural strengthening and heritage works.
Whether you're a strata manager planning capital works, an owners corporation dealing with building defects, or a homeowner starting a renovation, our team plans, coordinates and delivers the work properly.
Concrete Repairs
Restoration of deteriorated, cracked and spalled concrete affected by concrete cancer and reinforcement corrosion, helping restore structural integrity, prevent further deterioration and extend the life of the building.
Learn more → 02Remedial Waterproofing
Complete remedial waterproofing solutions for balconies, rooftops, basements, planter boxes and wet areas, with careful preparation, detailing and membrane installation for long-term protection.
Learn more → 03Balcony & Façade Remediation
Comprehensive balcony repairs and façade remediation, addressing water ingress, tiled-balcony re-waterproofing and balustrade replacement. We also deliver façade repair, render restoration and protective coatings, resolving deterioration in windows, sliding doors and exterior building elements in Sydney.
Learn more → 04Structural Repairs & Strengthening
Crack stitching, carbon-fibre strengthening and epoxy injection, delivered in coordination with structural engineers. Includes brick and masonry repair, repointing and tuckpointing to restore cracked or deteriorated building elements.
Learn more → 05Building Defects & Strata Remediation
Identification and rectification of building defects, including defect reports under the NSW Design & Building Practitioners Act. Trusted by strata managers and owners corporations for common-property works and capital works planning.
Learn more → 06Home Renovations
At STAMM Remedial Builders, we bring Class 2 building expertise to every renovation. With extensive experience in structural repairs, waterproofing and building defects, we work closely with engineers and consultants to deliver high-quality renovations built for lasting performance.
Learn more → 07Magnesite Floor Removal
Safe removal and replacement of deteriorated magnesite flooring, a common and often hazardous defect in older apartment blocks. Includes substrate preparation, disposal and remediation to eliminate corrosion risk and prepare floors for new finishes.
Learn more → 08Heritage Works
Remedial and restoration works for heritage-listed buildings, including heritage brickwork repointing, façade conservation and structural repair, balancing compliance with sensitive, authentic restoration of original character.
Learn more →About Stamm Remedial Builders
Stamm Remedial Builders is a Northern Beaches-based team of remedial building and renovation specialists, bringing 45+ years of combined experience to apartment buildings, strata properties, commercial sites and homes across Sydney.
Ramon Badia
With over 21 years of experience in the construction and remedial building industry, Ramon brings a strong combination of hands-on trade knowledge, estimating and project management experience.
An experienced renderer and licensed waterproofer, he spent many years working on the tools and with leading companies in the industry before progressing into estimating, supervision and management roles.
This practical background gives Ramon a strong understanding of how remedial works are carried out onsite, allowing him to accurately assess works, anticipate challenges and work effectively with engineers, consultants and trades to deliver practical, efficient and high-quality outcomes.
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Rafael Rostirola
With over 25 years of experience in the construction industry, Rafael brings extensive knowledge across both high-end residential construction and remedial building works.
A licensed builder, registered building practitioner and an experienced carpenter. He has worked with leading companies in both sectors, progressing into foreman and management roles on complex projects.
His experience across these two areas brings a methodical and practical approach to construction, combining high-end building standards with strong remedial knowledge to better understand challenges and develop effective, practical solutions.
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Marly Badia
Marly is a natural entrepreneur with a proven background in developing, managing and owning successful businesses. Her experience as a business owner has given her a strong understanding of business growth, financial management, client relationships and commercial strategy.
At STAMM Remedial Builders, Marly is responsible for developing the business side of the company, building and maintaining key relationships, overseeing financial management and supporting the continued growth of STAMM.
Her entrepreneurial mindset, hands-on experience as a business owner and strong commercial awareness bring a valuable perspective to STAMM, complementing the extensive construction and technical experience of the Managing Directors and helping build a strong and sustainable business for the future.
View LinkedInFive-star reviews from our clients on Google.
“I can’t recommend Ramon and his team highly enough. Our remedial works process was stressful and complicated, and we couldn’t have asked for better support.”
Charlie B., Google review“…was consistently impressed by his professionalism, reliability, attention to detail and exceptional organisation.”
Felicity H., Google review“He was very thorough and committed to the job at all times. Our project was cost effective and looks great.”
David B., Google reviewServicing all of Sydney
Proudly based on the Northern Beaches, our remedial building and home renovation services cover the whole Sydney metropolitan area.
Get a free quote →Let's Work Together
Got a leak, cracked concrete or a renovation to plan? Our Northern Beaches team brings 45+ years of combined experience to every job. Tell us about your building and we'll arrange a site visit and a free, no-obligation quote.