SUMMARY: If you have an existing gravel built-up roof that’s old and leaking, don’t go the cheap route by putting a board over it and installing TPO. Doing so will cost less than a better solution (such as removing the rocks and spray foaming it,) but will create problems in the long run. In this post, learn the correct way …
Ballpark Cost to Restore a Commercial Gravel Built-up Roof
Summary: The ballpark cost to restore a commercial gravel built-up roof is $6.50 – $10 per square foot. Many factors affect cost, such as how much gravel needs removed, how much wet insulation is present, and what warranty length the building owner desires. So, you have a commercial building with a gravel-built-up roof. It’s leaking, super old, or on the …
How To Remove Loose Gravel off a Commercial Roof?
The most cost-effective way to remove loose gravel from a commercial roof is to “wet vacuum” it. If you’re unaware of wet vacuuming, it’s a large vacuum that picks up loose gravel and uses pressurized water to clean the roof. You might have other questions, such as: Why do you need to remove the loose gravel? How much does it …
What to Do: Leak on a Roof with Ballasted Rocks on Top?
Quick definition: Rock Ballast means any type of stone used in a roofing system, such as river rock, slag, and pea gravel. So, you have a leak on a roof that has rocks on top. If so, what are you supposed to do? You might think that the only solution is to remove all the rocks, remove the entire roof …
How to Cost-Effectively Repair a Flat Gravel Roof
Let’s be honest, we all want stuff done as cheap as possible. Such as repairing the hole in the driveway, getting landscaping done, and replacing gutters. But we also don’t want it done so cheaply that we don’t get the best value…the best bang for our buck. What good is saving $20 on repairing the hole in the driveway with …
The Best Repair Option for a Gravel Built-up Roof
Summary: In most cases, the best repair option for a gravel built-up roof is to install a spray foam roof. The reason is that it can be installed over the existing roof, eliminating the cost of a tear-off or laying down a cover board. A spray foam roof fills in all the nooks and crannies, increases R-value, is renewable, makes …
Built-up Roof: What Repair Options Do You Have?
Do you have an existing smooth built-up roof? Or do you have an existing built-up roof with loose rocks/gravel on it? Either way, if it’s leaking (or is very old) you need a cost-effective repair option. To get right to the point, if it’s a smooth BUR, you can repair it with a silicone roof coating system. If it’s a …
Can Silicone Coating Be Installed Over a Gravel-Surfaced Roof?
So, you’re a property owner with a roof that has gravel or stones as the most outer layer of your roofing system. I’m assuming you have some leaks and are looking for the most cost-effective solution to get those fixed. You may think, “I’ll just install silicone coating overtop of all these rocks and then I’ll have a seamless, watertight …
5 Problems with Tar and Gravel Commercial Roofs
When you think of a commercial roof, you may think of black tar being mopped on a flat roof. That’s because tar and gravel (built-up) roofs are one of the oldest commercial roof types in the US. But does one of the oldest types of commercial roofs have problems you should know about? Of course! What is a Tar and …
Single-Ply Membrane vs Built-Up Roofing: Which is Best for Commercial Roofs?
Built-Up roofing is a well-known type of commercial roof? But how does it compare to Single-Ply Membrane Roofing? We will cover cost, installation, and…
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