Commercial roofing: systems, replacement and cost

Topics

Every subject covered on Commercial Roofing Help, grouped so you can read a whole area rather than one page of it. Each page is dated and says who wrote it.

A white membrane roof in two wings, seen from above

Recently updated

The newest changes across the site. Every page carries the date it was last reviewed.

PageWhat it coversKindUpdated
Commercial flat roof systemsWhat a flat roof system means on a commercial building: tested assemblies, wind uplift listings, roof zones, component substitution and what the bid must name.articles
Modified bitumen flat roofsWhy modified bitumen is still specified on commercial flat roofs: multi ply redundancy, standing water, traffic, repairability and where single ply wins.articles
TPO on flat roofsHow a flat deck changes a TPO roof: building slope in, lap direction, standing water, loss of reflectivity, traffic protection and when to choose another sheet.articles
LifespanCommercial roof lifespan by system, why published figures describe expectation rather than fact, and the six variables that decide when a roof is finished.articles
Commercial flat roofWhat separates a commercial flat roof from a domestic one: scale, drainage design, rooftop equipment, access and safety, leases and capital planning.articles
Commercial insulationHow commercial roof insulation is specified: board types compared, layering and staggered joints, attachment, tapered design and what a bid must state.articles
Commercial roof typesThe main commercial roof types by family: single ply, modified bitumen, built up, metal, foam and coatings, plus what decides which one suits a building.articles
PVC membraneWhat a PVC membrane roof is made of: the resin, the plasticizers, the reinforcing scrim, thickness over scrim, weldability and chemical resistance.articles

View the sitemap

Talk to someone about your roof

Tell us about the building and what the roof is doing. We will say what we would do about it and what the answer depends on.

Get a quoteSee the services

Get a quote

Three things and we will call you back. No obligation.

Or call (646) 643-3790