New Roofs Dalkey
Heritage Slate Replacements & Marine-Grade Roofing
A complete roof replacement is an important structural investment for any home, but in Dalkey, it demands a higher tier of craftsmanship. Properties situated along the coastal ridges of Vico Road, Torca Road, Sorrento Road, and Coliemore Road withstand severe weather: high wind uplift from Irish Sea gales, continuous salt-laden moisture, and driving rain.
When an older roof reaches the end of its structural life, continued patch repairs simply postpone the inevitable. Corroded fixings, perished underlay, rotten battens, and brittle slates will continue to allow moisture deep into your rafters.
At AD Roofing, we specialise in complete, high-performance roof replacements across Dalkey. Led directly on-site by Augustine Doherty, we replace tired roofs with premium natural slate, heritage tiles, and marine-grade flat roof systems built to last for generations. Every complete new roof installation is backed by our 15-year written guarantee.
When Does a Dalkey Home Require a Complete Roof Replacement?
Many properties across Dalkey are classic period residences or custom architect-designed homes whose original roof coverings are now reaching the end of their design lifespan:
Severe Nail Sickness on Victorian Slate Roofs (Ulverton Road, Leslie Avenue, Castle Street):
Many period homes across Dalkey still retain their original natural slate coverings. While the stone slates themselves can last over a century, the original iron or low-grade galvanised nails holding them have corroded from decades of damp salt air. Slates slip continuously down the roof pitch, leaving gaps that cannot be securely repaired without a complete strip and re-nail.
Degraded Bitumen Underlay & Rotted Timber Battens:
On homes re-roofed or built 40 to 50 years ago, traditional black bitumen felt was typically installed under the tiles. Decades of attic heat and seasonal humidity turn this felt paper-thin and brittle. Once it tears away, any rain forced past the external tiles penetrates straight into the living spaces.
Corrosion of Valley Channels on Complex Rooflines (Vico Road, Sorrento Terrace):
Period and high-end residences in Dalkey often feature complex roof architectures: multiple intersecting pitches, dormers, mansards, and valley gutters. When aged lead valley channels split from thermal movement and salt exposure, water tracks unseen along rafters, rotting structural timber framing.
Failing Flat Roofs on Coastal Extensions:
Dalkey features many modern extensions and architectural dormers with flat roofs. Traditional mineral felt flat roofs struggle with coastal thermal expansion and standing water, typically blistering and splitting within 10 to 12 years. Upgrading to a seamless, marine-grade GRP fibreglass system provides permanent weatherproofing.
Why Dublin Chooses Us For Re-Roofs
The AD Roofing Advantage: Personal Accountability
With AD Roofing, Augustine Doherty is on your roof. Augustine carries out your initial physical survey, writes your itemised quote, and works on-site alongside his own uniformed crew until the final ridge tile is locked in place. You deal directly with the business owner at every stage of the project.

What Our Dalkey Roof Replacement Package Delivers
We never take shortcuts like laying new tiles over old rotten battens or skipping modern ventilation standards. Every complete roof replacement we undertake in Dalkey includes:
Engineered Scaffolding Setup: Safely erected and dismantled in full compliance with Irish HSA standards, designed to protect your garden, stone walls, and property access.
Complete Strip-Down to Rafters: Total removal and legal disposal of old slates, tiles, rotten battens, and perished felt.
Structural Timber Inspection & Restoration: Augustine personally inspects every rafter, purlin, and wall plate, replacing any water-damaged timber with structural, pressure-treated wood.
High-Performance Breathable Membrane: We install heavy-duty vapour-permeable underlay (such as Tyvek Supro) that repels driving rain and sea spray while allowing attic humidity to escape naturally.
Treated Counter-Battens: Pressure-treated timber battens spaced with precision to guarantee correct tile overlap and structural rigidity against high winds.
Natural Slate or Premium Tile Installation: We install authentic Blue Bangor Welsh slate, high-grade Spanish slate, or premium concrete/clay tiles, secured using non-corrosive copper or marine-grade stainless-steel nails to prevent future nail sickness.
Maintenance-Free Dry Fix Systems: Mechanically secured dry ridge and dry verge systems that clamp edge tiles firmly against gale-force coastal winds, eliminating cracked sand-and-cement mortar.
Code 5 Milled Leadwork: Heavy-gauge lead hand-dressed to all chimney aprons, step flashings, roof valleys, and abutments for long-term waterproofing.
Spotless Site Clearance: All old materials and site debris cleared into our own skips, leaving your driveway and grounds clean.
15-Year Written Guarantee: A direct, personal guarantee covering materials and workmanship, signed by Augustine Doherty.

Material Choices for Dalkey Homes: Slate, Tile & Flat Roofing
Natural Welsh Slate (Blue Bangor):
The definitive material for heritage properties and Protected Structures across Dalkey. Sourced from the finest quarries, Blue Bangor slate delivers an authentic aesthetic, exceptional density to resist frost and salt water, and an expected lifespan exceeding 100 years.
Premium Spanish Natural Slate (A1-S1-T1 Grade):
A durable, high-grade natural slate offering rich grey-black tones and excellent resistance to maritime atmospheric conditions, providing a balance of heritage appearance and value.
Fibre-Cement Slates (Tegral / Rivendale):
A lightweight, uniform slate alternative often chosen for modern builds, extensions, and mid-century renovations around Barnhill and Cunningham Road.
Marine-Grade GRP Fibreglass (Flat Roofs):
The ideal waterproofing solution for contemporary flat-roof extensions, balconies, and dormers along the coast. It forms a seamless, joint-free, impact-resistant laminate that does not degrade under standing water or salt spray.
Frequently Asked Questions
Do I need planning permission to replace my roof in Dalkey?
In most standard residential cases, replacing an existing pitched roof like-for-like is classified as "Exempted Development" by Dún Laoghaire-Rathdown County Council, provided the profile, height, and pitch remain unchanged. However, if your home is a Protected Structure or located within a designated Architectural Conservation Area (such as Dalkey Village or Sorrento Terrace), strict heritage guidelines apply regarding slate types and lead details. We can verify these requirements during our physical inspection.
Why do you specify copper or stainless-steel nails in Dalkey?
In coastal zones like Dalkey, salty marine air accelerates the corrosion of standard galvanised steel nails, leading to premature "nail sickness" where the slates slip out of position while the stone remains perfectly sound. We fix our natural slates using high-durability copper or marine-grade stainless-steel nails that will never rust through.
How long does a full roof replacement take on a period Dalkey home?
Depending on roof complexity, detailing, and weather conditions, a complete strip and re-roof on a large period villa typically takes between 5 to 8 working days. We work in tightly managed sections, ensuring the roof remains completely weatherproof and sealed against rain at the end of every working day.

Any Questions?
Ask Us
Request Your Free Roof Replacement Survey in Dalkey
If your roof is leaking repeatedly, shedding slates, or showing signs of structural aging, speak directly with Augustine Doherty today for expert advice and a free, detailed written quote.

Additional Roofing Services We Offer
Looking for more than a new roof? From emergency leak detection and chimney repointing to complete slate and flat roof replacements, we're the Dublin Roofers that handle everything from start to finish.

