Flat Roof Options — Simplified

Choose Your Flat Roof Plan

Every Perkins-installed roof meets Florida Building Code. What changes tier to tier is the materials, warranty length, and the service protections included. Below is an honest, side-by-side look — pros and cons — for every option we offer, including the one we don’t recommend.

Five-plan comparison

Materials, tradeoffs, warranties & price

Compare the complete membrane system, total thickness, liquid-flashed detailing, warranty coverage, included service protections and exact price change from the Protector base.

Complete comparison of the five Perkins flat roof plans
PlanFlat-roof systemProsConsPrice
01 Penny Not recommended This is what most other contractors sell as their standard flat roof

Single-ply TPO membrane — only 60 mils thick

  • Cheapest price on the market
  • Only 2-yr contractor warranty (vs. 7–12 yr Perkins on other plans)
  • Single-ply TPO — only 60 mils vs. Protector’s 240-mil two-ply system
  • No urethane liquid-flashed detailing (Protector uses Polyflash 1C)
  • No wind-mitigation report — costs more in insurance than you save
  • No driveway cleaning, dedicated PM, or 24-hr service line
Base −$25 to −$75/SQSavings vary by roof details
02 Protector Our full-service starting point

Two-ply Polyglass — Elastobase base + SA V (80-mil) interply, heat-welded cap (240-mil min.)

  • Full Perkins Protection Plan bundle included
  • 240-mil min. system — 4x a standard 60-mil TPO roof
  • Urethane liquid-flashed details (Polyflash 1C) at every penetration
  • 7-yr Perkins / 20-yr Polyglass warranty
  • Commercial 20-yr System Warranty is an additional $2,800–$3,500/building*
Base Price
04 Premium Energy-rated + thickest system

Energy-rated deluxe three-ply — dual SA V Plus (100-mil ea.) + Bright White EnergyStar cap (360-mil min.)

  • Thickest system: 360-mil (vs. 80-mil TPO)
  • EnergyStar Bright White cap sheet reflects heat
  • 12-yr Perkins / 30-yr Polyglass warranty
  • Adds cost over Protector base price
Base +$315/SQ
05 Coastal Optional add-on for coastal homes

Add-on upgrades all metals to Aluminum — stackable with any package above

  • Corrosion-resistant aluminum metals
  • Can be added to Protector, Preferred, or Premium
  • Recommended within 1,500 ft of salt or brackish water
  • No flat per-SQ price — final cost depends on roof terminations, drains & penetrations*
Custom QuoteVaries by roof details