Underneath the basics flat roofs are usually constructed with a ceiling nailed to joists which support a deck usually wood in residential construction a vapor barrier insulation and a roof board.
New roofing materials for flat roofs.
There are generally 5 to 6 different routes to take regarding the materials needed for roofing a flat surface.
Thermoplastic polyolefin tpo 3.
Smucker contracting we offer a 20 year warranty on new pvc roofing we install.
With the rising popularity of modern design the types of flat roofing materials hitting the market has grown in recent years.
Modified bitumen and rolled asphalt roofs cost 1 30 2 20 per sq foot depending on the number of plies.
These materials are mostly made up of several alternating layers of bitumen and reinforcing fabrics roofing felts or ply sheets that form a roof membrane.
Pros and cons for flat roof materials.
Pvc roofing is one of the best flat roof materials because it is low maintenance with a long lifespan.
Ethylene propylene diene monomer epdm 2.
Being made of synthetic rubber or polymer they are flexible and elastic and can handle temperature changes and some impact types better than built up roofs.
Built up roof bur membranes commonly known as bur built up roof membranes have been in use for more than a century.
Green roof system 6.
Metal is a 50 to 100 year roofing material with warranties of 30 50 years.
New styles can mimic shingles shakes slate and tile and dozens of colors are available.
Pvc single ply membrane arguably the most popular of all flat roofing materials some contractors even install only pvc membranes for higher end residential installations pvc membranes are a single layer of thermoplastic material.
In addition just like tpo roofing pvc is a reflective white color which is useful as it dramatically lowers the business s energy bills.
Here are various types of roofing materials for flat roofs.
Flat roofing can now be made with pvc or tpo fabrics and is more durable than it was just 10 years ago.
Spray polyurethane foam spf 4.
Metal reflects solar radiant heat so can keep your home cooler and control energy costs in hot weather when compared with asphalt.
These roofs are installed as thin sheet materials 0 030 30 mils to 0 060 inches 60 mils thick and are applied to the roof in a single layer.
In general materials used on flat roofs cost less than ones used on sloped ones.
From there the flat roof system you choose will determine the materials you apply.
Tpo is 1 70 per sq foot.
Built up roof bur the traditional hot tar and gravel roof is built from three or more plies of waterproof material alternated with hot tar.
Pvc is 1 90 per sq foot.
What s good about a metal roof.