Flat Roof Replacement in La Porte

Because wind uplift concentrates at edges and corners rather than in the middle of a roof. A membrane that is merely adhered starts to go there, and once an edge lifts the wind gets underneath and the rest follows quickly. Mechanical perimeter fixing is the design here, not an upgrade.

Not in itself -- water that clears within a day or two of rain is normal. Water still there a week later is a seam being tested continuously, and it usually means the fall does not actually run or the outlet is not at the low point.

No. Texas issues no roofing license at all -- the state licenses electricians, plumbers and air conditioning contractors, and has never licensed roofers. La Porte does not register them either, so there is no local list to check. What exists here instead is better suited to the question you are actually asking: a permit, a specification the roof has to meet, and a certification letter from a Texas licensed engineer or an ICC Certified Coastal Construction and Floodplain Inspector within 30 days of the permit issuing. That certificate describes your actual roof rather than the firm that fitted it.

In La Porte, yes -- a roof replacement needs a permit whether you are hiring somebody or doing it yourself. Texas has no statewide answer to this because permitting is municipal, which is why the question keeps getting answered badly online. Doing it yourself also does not exempt the roof from the specification: the 150 mph shingle requirement and the nails-not-staples rule apply to the roof, not to who fitted it, and the certification letter still has to reach the city inside 30 days.

For a standard asphalt roof on an average Houston-area house, yes -- that is roughly double the $10,500 to $14,000 most land at. It is not unreasonable for a large house, a complicated multi-plane roof, or a standing seam metal system, all of which exist in this service area. The number alone does not answer the question; what the quote itemizes does. If it does not break out area, perimeter, decking and the certification, you cannot tell.