Flat roofs are becoming more popular for their aesthetic appeal and easy maintenance. If you are considering installing a flat roof, it is important that you gather as much information as you can. Here are the frequently asked questions about flat roofing.
Are Flat Roofs Completely Flat?
Flat roofs are not entirely flat. Instead, they are designed to have a slight slope to prevent the accumulation of rainwater. However, compared to traditional roofing systems, flat roofs appear flat as their pitch is slight and much lower.
Are All Flat Roofs the Same?
Flat roofs occur in different types, depending on the roofing system used. Also, the roofs are made of different materials like PVC, metal, TPO, and modified bitumen roofs. These roofing materials require special maintenance and care to avoid a premature roof replacement.
Why Are Most Commercial Buildings Made With Flat Roofs?
Commercial buildings architects prefer flat roofing systems as they are economical, durable, and versatile. In addition, the flat roofing design is usually simple and requires fewer materials, meaning you save on cost during installation. Flat roofs are also multi-purpose and can be used to hold solar panels.
Similarly, flat roofs are extremely durable and can last for 30 to 60 years, depending on the material used. Most modern flat roofing materials are engineered to withstand high winds, fire, ponding water, and hailstorms.
Do Flat Roofs Require Proper Drainage?
Flat roofs demand proper drainage to keep the roof watertight. Usually, professional roofers use three types of drains, including:
Gutters placed on the roofing edge and directed to downspouts.
Internal drainage systems connected to the roofing field.
Drainage systems and scuppers installed around the walls.
Be aware that without proper drainage, rainwater can pool on the roofing field, resulting in a sagging roof or roof leakages. That said, installing a drainage system is relatively simple for a contractor, allowing you to enjoy the full range of benefits a flat roof provides.
How Do You Maintain a Flat Roof?
Periodic cleaning of your drainage system is important to prevent clogging. Leaves and flying debris find their way into your drainage system. Regular professional flat roof inspections will help prevent your drainage system from clogging.
What Are the Main Parts of a Flat Roof?
A flat roof has several parts, including:
- Plasterboard ceiling. This is the visible interior part of the flat roof. It masks the insulation and the decking.
- Decking. This is the skeleton of the flat roof that gives the roof its form.
- Insulation barrier. This helps keep the roof dry and cool, protecting the decking from moisture damage.
- Waterproof layer. This is the outermost covering that protects your flat roof from leaking.
The flat roofing system is preferred in commercial buildings as it is economical, durable, and versatile.