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Different Types of Roofing Materials for Flat Roofs

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Different Types of Roofing Materials for Flat Roofs

On January 25, 2017, Posted by , In Uncategorized, By , With No Comments

In regards to covering up flat roofs, your choices are both pricey and small. What that means, in a nutshell, is that your conventional roofing materials including corrugated metal, concrete tiles, and asphalt shingles are out of the window. However, flat roof systems including PVC, TPO, EPDM rubber, and others, each offer their advantages and disadvantages.

So can’t you place conventional roofing materials on a flat roof? Well, you are able to, however, they’re virtually guaranteed to leak. Systems like concrete tiles and asphalt shingles are installed by overlapping one row in addition to another one. They work with the pitch of the roof as it falls from the heavens, to shed rainwater and snow. Since flat roofs have little to no pitch, the water would function itself underneath the shingles or tiles, eventually rotting causing flows and the substrate in your inside.

The goal of some roof for that matter or a flat roof would be to maintain a building or your house dry as well as safe. The roof MUST safeguard your investment from the elements like snow, rain, and yet the sun’s heat.

Nevertheless, many level roofing technologies out there now have some important, built-in drawbacks which have sources in their own layout. The truth is flat roofs don’t serve their primary function just a couple of years as soon as they’re installed.

Flat Roofs Materials

Built-Up Roof (BUR)

This alternative is quite common as it is extremely affordable, and businesses and most facility managers want to spend less. Don’t you? BUR is, in addition, a roof that is very appealing and aesthetically pleasing as the top coat seems really fine and is usually gravel. Since it’s many layers, it’s additionally a great insulator. These layers also give to these roofing systems important issue, nevertheless, as BUR roofs frequently need joists in the present roof to be strengthened, which raises cost and construction time and become quite heavy. BUR is also not recommended to be installed with occupants in the building; any delay in construction time ends in increased downtime for the firm.

Modified Bitumen

This is really an individual ply roofing system that’s usually rolled onto the roof surface. The older systems need the materials to be placed on the roofing and heated with a blowtorch. This really is clearly a dangerous setup process, so newer systems are designed that permit the materials to be skinned and stuck to the roof surface. This really is only one of the flat roof choices that are more environmentally friendly as the sunlight is reflected by it and for that reason cuts back on energy prices. But this system isn’t torn or really scuff-resistant and cannot resist much foot traffic used.


This roofing system is extremely permanent and extremely reflective. PVC is among the very best flat roof choices since it lacks water meaning it can resist water ponding and is simple to set up. It’s three primary advantages are extremely comparable to number 5 on the list, spray-applied roof coatings. The largest difference from roof coatings, and also the issue with PVC is that it’s used in rolls, and for that reason, it’s seams which may result in roof failure. These seams have to be taped or pasted together when it’s rolled out. While this might resist water for some time, it will not hold up for 10-15 years as a seamless roofing system would.

Single Ply EPDM

EPDM is a rubber compound as an alternative to plastic, although as both are single ply EPDM is much like PVC. EPDM systems have built a reputation around lastingness and are extremely durable, nevertheless, they’re not without their weak points. The seams in the EPDM system are treated with adhesives and this makes the seams exposed over long amounts of time. This sealing system frequently results in building owners residing with flows, or care on the seams. This really is among the more care-intensive flat roof choices.

See: Knowing the Different Benefits of Metal Roofing

Rubber roofs are very durable and coming with a 20-year guarantee as well as a life expectancy of over 25 years. EPDM comes in various levels and the higher the level the better quality the stuff. It’s pasted straight to the timber roof construction and joints are pasted together making this sort of roof really watertight when it’s in good shape. It comes in a tiny selection of colors, colors that are gray being the most famous and so it is also the most economical.

GRP Roofing AKA “fiberglass roofing and glass reinforced plastic”

Glass Reinforced Plastic, or gRP, is an extremely popular level roofing option for a lot of occupations that are national along with small to medium sized commercial roofing projects.

Fiberglass level roofing is quite sturdy and durable, it includes a bonded guarantee of 20 years if properly kept, but its life expectancy is in excess of 40 years. GRP roofs are weatherproof and so are at little danger of cultivating or leaking freeze damage.

See: Different Metal Roof Types You Need to Know

Their durability additionally makes them really great for footfall. It is often helpful in case you plan to utilize your flat roof for access to first-floor windows and gutters.

To provide you with a notion of how tough GRP they’re additionally used for the hulls of some boats which can withstand years of harsh sea states.

GRP is an excellent choice should you’d like an elegant appearing flat roof. Grey is the most frequently used color. It gives your new roof a look that is lead. You’ll pay additional for this particular choice although you may also get it in a variety of other colors. You can even get a variety accessories for GRP roofs including wall sockets, tilt fillet, trimming, and cappings. It may give a tidy and refined finish to the roof.

Single Ply Membrane

Single ply membrane roofing is slowly becoming an extremely popular roofing option for houses, gardens, and companies. Its primary advantages come from its long lasting durability, ease of setup and cost effectiveness. There’s a selection of single ply material available coming in an assortment of colors or joining systems.

Single ply membranes are perfect for all roofing jobs including new builds, refurbishments, flat, and more.

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