You’ve patched that flat roof more times than you can count. Every spring there’s a new leak over the porch or the garage, or a new stain in the back office, and every repair buys you a few months. You’re ready for flat roof installation in Overland Park, but you want this one done right, so you’re not back here in three years with the same buckets.

Roofer torching down a flat roof membrane

That’s exactly the right instinct. A new flat roof is only as good as the planning that goes into it.

APC Roofing installs flat and low-slope roofs on homes and light commercial buildings. We’re GAF Certified, licensed and insured, in business since 2017, and your inspection and estimate are free. Call 913-398-5020 to get started.

Signs it’s time for a new flat roof

Not every leaking flat roof needs replacing. These signs usually mean repairs have run their course:

  • You’re fixing leaks in different spots every year
  • The membrane is cracked, brittle or shrinking away from the edges
  • Water ponds across large parts of the roof for days
  • The roof feels soft or spongy underfoot, which often means wet insulation or a damaged deck
  • Blisters or bubbles are spreading across the surface

If you’re seeing one isolated problem instead, a repair may still make sense. Our flat roof repair in Overland Park page covers that side.

What goes into a flat roof installation that lasts

A new membrane looks the same on day one whether the job was planned well or not. The difference shows up a few winters later. Here’s what a well-built flat roof includes.

Checking what’s underneath

Before anything new goes on, the existing roof has to be opened up and the deck and insulation checked. Wet insulation needs to come out. It won’t dry under a new membrane, it adds weight, and it can rot the deck below. Soft or damaged decking gets replaced so the new roof has a solid base.

Tear-off or recover

Sometimes a new membrane can go over the existing roof, which saves on tear-off. That only works when the old roof is dry, sound and doesn’t already have extra layers. Building codes limit how many roofs can be stacked, and covering a wet roof locks the problem in. On most older roofs, a full tear-off gives you a cleaner, more reliable result.

Getting the water to drain

The biggest cause of early failure on flat roofs is water that has nowhere to go. A new roof is the best chance to fix drainage for good. That might mean tapered insulation that builds in slope toward the drains, small crickets that steer water around a chimney or unit, or resetting drains and scuppers so they sit at the right height.

Choosing the membrane

For most homes and small buildings, the choice comes down to TPO or EPDM. TPO is white and reflective with heat-welded seams, a good fit for sunny roofs over living or working space. EPDM is a rubber membrane that stays flexible in the cold and repairs easily. See our pages on TPO roofing in Overland Park and EPDM roofing in Overland Park to compare them in more detail.

The details at the edges

Most flat roof leaks start at the edges and transitions, not in the open field. A good installation pays close attention to the edge metal, the flashing up walls and parapets, the boots around pipes and vents, and the curbs around any rooftop equipment.

On homes, the trickiest spot is often where the flat section meets the shingle roof above. The membrane has to run up under the shingles far enough that water coming down the steep roof can’t get behind it. That transition is where a lot of porch roofs fail, and it deserves extra care on a new install.

Timing a flat roof installation in Kansas

Weather plays a big part in flat roof work. Seams, adhesives and primers need a dry surface and the right temperature range to bond properly, and Kansas winters can narrow those windows. Spring storms and summer pop-up showers also mean a roof should never be left open overnight without protection.

If your roof is leaking in the middle of winter, a temporary repair may be the smart move to hold things until the weather allows for a full install. We’ll tell you honestly which approach fits your timeline.

How it works

  1. Book your free inspection. Call 913-398-5020 or request your free estimate online.
  2. Get a clear, honest assessment and estimate. We check the deck, insulation, drainage and transitions, and give you photos plus a written estimate that spells out tear-off, materials and drainage work.
  3. Your new roof goes on and the site gets cleaned up. Many residential projects are finished in a single day. Larger flat roofs take longer, and your estimate will include a realistic timeline.

Financing is available through Aqua Finance, Fortifi, Hearth and Home Run Finance.

Putting off a worn-out flat roof usually costs more in the end. Each leak soaks a little more insulation and decking, and that’s material that has to be replaced when the new roof finally goes on.

Flat roof installation questions

How long does a flat roof installation take?

Many smaller residential flat roofs are done in a day. Bigger roofs, tear-offs with deck repairs and commercial projects take longer. Your estimate will lay out the timeline.

Can a flat roof be installed in winter?

Sometimes, on milder dry days. Cold and wet weather affect how well seams and adhesives bond, so winter installs depend on the forecast.

Should I choose TPO or EPDM?

TPO’s white surface stays cooler in summer, and EPDM handles cold weather and repairs well. Your roof’s sun exposure, drainage and use all factor in, and we’ll give you a clear recommendation.

Do I need to replace my shingle roof too?

Not usually. The new flat section can be tied into your existing shingle roof. If the shingles near the transition are worn, they may need some repair so the joint is watertight.

Book your free flat roof inspection

You’ve put enough buckets under that ceiling. Call 913-398-5020 or request your free estimate online, and we’ll come see what your roof needs. For an overview of every option, see flat roofing in Overland Park.

When the new roof is on, rain runs to the drains, the ceiling stays dry, and you can stop checking the forecast every time a storm rolls in.