Before & After: Flat Roof Replacement in Glen Allen, VA

Katelyn Lewis • September 4, 2025

Can you spot the before-and-after difference?

A graphic showing before-and-after photos of an asphalt shingle roof and flat roof replacement in North Chesterfield VA.

We replaced the flat roof for this Glen Allen home earlier this month. Flat roofs are a common roofing option throughout Richmond, whether for a whole home or on small additions with low pitches. The two main types of flat residential roofs are modified bitumen and single-ply.


Modified bitumen roofs have an estimated lifespan of 15 to 20 years. The main drawback to modified bitumen is its more-intensive – and therefore expensive – installation process, with multiple applications and skilled labor required to properly install.


Meanwhile, a single-ply  roof – like this Dec-Tec roof, or TPO – can last between 20 and 30 years, and it has an easy installation and cleanup process.


The main disadvantage of any flat roof is any puncture or tear, such as from a piercing tree limb, could threaten the entire structure.


Have a flat roof like this Glen Allen homeowner that’s leaking or needs to be replaced? Our Retex team would be happy to assist you. Give us a call at 804-442-3314 to discuss your project.

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A graphic showing before photo of an asphalt shingle roof and flat roof replacement in North Chesterfield VA 23235.
A graphic showing after photo of an asphalt shingle roof replacement in North Chesterfield VA 23235.
A graphic showing after photo of a flat roof replacement in North Chesterfield VA 23235.
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