Tile Roofing
Tile Underlayment Replacement (Lift & Relay) in Carlsbad
If you own a tile roof in North County that's twenty-plus years old and starting to leak, this is very likely the service you actually need. The tile on top is fine. What's failed is the underlayment underneath it, the felt or synthetic membrane that does the real waterproofing. When it dries out and cracks, the roof leaks, but the tile still has decades of life left.
Underlayment replacement, or lift-and-relay, is the smart middle path between chasing endless repairs and paying for all-new tile. We remove and stack your existing tile, strip the old underlayment, address any deck or flashing issues, install a fresh coastal-rated membrane, and relay your original tile. The roof looks identical when we're done, but the system protecting your home is brand new.
When you need tile underlayment replacement
- Your tile roof is 20 to 30 years old and has never had the underlayment replaced
- Leaks are appearing in multiple areas even though the tiles look intact
- Repairs keep working for a season, then a new leak shows up nearby
- You can see brittle, cracked, or crumbling felt when a tile is lifted
- A roof inspection flagged failed or end-of-life underlayment
- You want to keep your existing HOA-approved tile but renew the waterproofing
- You're planning to stay in the home long-term and want to avoid recurring repairs
- You're preparing to sell and want a documented, renewed roofing system
What we do
- Confirm the tile is reusable and the underlayment is the real source of trouble
- Carefully remove and palletize your existing tile to minimize breakage
- Strip the old, failed underlayment down to the deck
- Inspect and repair the roof deck and framing while it's exposed
- Replace corroded valley, headwall, and penetration flashing
- Install new high-temperature, coastal-rated underlayment across the roof
- Relay your original tile at correct headlap, replacing only broken pieces
- Document the new underlayment and flashing for your records
Roof types & materials
- High-temperature synthetic underlayments suited to tile and coastal UV
- Premium self-adhered membranes for valleys and high-risk areas
- Two-ply and single-ply systems depending on roof and budget
- Corrosion-resistant valley and penetration flashing
- New battens and fasteners rated for salt-air exposure
- Matching replacement tiles for the small percentage that break during removal
What is tile underlayment and why does it need replacing before the tile?
The underlayment is the waterproof membrane installed on the roof deck underneath the tile, and it's what actually keeps water out of your home. Tile is a durable outer shell that can last 50 to 100 years, but underlayment typically lasts only 20 to 30, especially under coastal UV and heat. So a tile roof usually needs its underlayment replaced once or twice over the tile's lifetime through a lift-and-relay.
Underlayment replacement often overlaps with these related tile services depending on what we find.
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Tile Underlayment Replacement questions, answered
What is lift-and-relay roofing?
How long does underlayment last on a coastal tile roof?
Will I lose many tiles during a relay?
Is underlayment replacement cheaper than a full re-roof?
How do I know if my underlayment has failed?
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