Commerce, CA
Flat roof work in Commerce, CA
Almost every flat roof problem is a drainage problem wearing a disguise. Standing water finds the one seam that was not welded properly.
Describe the flat roofing job
Three questions, then the address. Up to three Commerce contractors who do this work.
You are on the list.
No provider in Commerce is taking requests through this service yet. We are lining them up, and yours is kept until one can.
- Nobody gets your details yet. Your request stays with us and is not passed to any company.
- One email when someone can help. When a provider covering your area can take it on, we email you once and ask whether you want that company, by name, to contact you.
- Deleted after 90 days. If nobody can take it on, or you do not say yes, your contact details are deleted 90 days after your request.
- You decide, or you do not. There is nothing to cancel and nothing to pay us.
Nobody will call you about this request unless you say yes to a company by name.
Before you let anybody on the roof
The things worth pinning down on a flat roofing job. A contractor who has not raised them has not looked properly.
- How the flat section is flashed into adjoining walls and pitched roofs
- Drain, scupper and overflow provision
- Whether water ponds anywhere after rain
- Which membrane, and how the seams are joined
- Whether a coating is being sold as a repair
Ponding water is the enemy. Anything still sitting there forty-eight hours after rain is a design problem, and tapered insulation is usually the answer.
Drains and scuppers need to be checked every season. One blocked drain can hold enough water to matter structurally.
Single-ply membranes — TPO, PVC, EPDM — are heat-welded or taped at the seams. The seams and the terminations are the whole job.
Locally
Behind it: shaded slopes that never really dry out. Damp that arrives every morning and leaves by lunchtime is worse for a roof than rain, because nothing ever fully dries between one and the next.
About flat roofing here
Do I need a permit?
Yes, in nearly every jurisdiction a re-roof is permitted work. A contractor who suggests skipping it is telling you something useful about how they work.
Are gutters included in a re-roof?
Normally a separate line. It is the one add-on that genuinely costs less when done at the same time.
What warranty should I expect?
Ask for both in writing: the material warranty from the manufacturer and the workmanship warranty from the contractor. The second one is the one that matters in year three, and it is only as good as the company behind it.
Are the contractors licensed and insured?
We require a licence number and current insurance from every contractor in the network. Verify it yourself anyway. Your state licensing board has a free lookup, and it takes two minutes.
Ready for a real number?
Free, no obligation, and your details go to no company until you say yes.