Restoration can be a good option on the right roof. On the wrong roof, wet, sagging or ponding, it is a waste of money. Any honest contractor should understand the roof, including moisture, before recommending it.
We would rather you hear the limits of restoration from us first. Here is where it falls short and how those roofs get ruled out.
Six honest limits
1. It cannot go over wet insulation.
Coating traps the moisture in, and the roof keeps rotting underneath. That is why moisture scanning or core samples come first. Wet sections must be cut out and replaced, and if too much is wet, restoration is off the table.
2. It needs dry weather to cure.
Houston rain and humidity are real. Fluid-applied layers need dry cure windows, so schedules can shift with the forecast. We would rather wait a day than seal water in.
3. Ponding water has to be fixed first.
Water that sits on a roof for days is a drainage problem. Crickets, tapered insulation or drain work may be needed before restoration.
4. It does not fix a failed deck.
If the steel is rusted through, the wood is rotting or the structure is sagging, a membrane on top will not help. That roof needs replacement.
5. It needs care to renew.
Where a system is renewable, renewal depends on maintenance and a recoat at the right time, subject to roof condition. Skip it and the system ages like any other roof.
6. Prep is most of the job.
Loose gravel, blisters, failed seams and flashings all have to be repaired first. Bids that skip prep are cheaper for a reason.
So when is restoration worth considering?
When the roof is largely dry, the deck is sound and drainage works, restoration may extend the roof’s life without the noise, debris and cost of a tear-off. Whether that describes your roof takes an onsite assessment. What a moisture scan shows.
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Quick answers
Can a roof restoration fail?
It can, when it is applied over wet insulation, a failing deck or ponding water, or when it is not given dry weather to cure. Most failures trace back to applying it on roofs that should not have been restored.
How do you know if my roof is a restoration candidate?
We walk the roof, check drainage and the deck, and use moisture scanning or core samples where warranted. If too much is wet or structurally compromised, we will recommend replacement instead.
Can a restoration be renewed later?
Some restoration systems can be renewed at the end of their warranty term, subject to the specific system and roof condition. Skipping scheduled maintenance and recoats is how restorations age out.