Gravel On Top Of Tpo Of Roof

Rain was pooling in areas resulting in leaks rotted wood and damaged insulation.

Gravel on top of tpo of roof.

Modified bitumen roofs are a mix of asphalt and rubber with a layer of gravel embedded in the top layer of material during manufacture to provide uv protection. We mechanically fastened thick expanded polystyrene insulation over the roof substrate. If you strictly compare tar gravel vs tpo then tpo is a far better choice. Various types of burs require a different type and weight of gravel depending on the underlying layers the structure of the building and the.

I am looking to replace my old tar and gravel roof on a low slope 2 storey semi detach house. The gravel embedded on the top coat of asphalt the flood coat protects the underlying layers from the elements including ultraviolet rays and natural threats like roof hail damage or heavy rains. The gravel also acts as a protective measure to prevent natural debris such as leaves from flowing towards and clogging the drains of the flat roof instead trapping them in place. Then you have repairability finding and fixing a leak in tpo is much easier faster and cheaper than on t g roof.

Tpo s long term heat uv and natural fungal resistance plus flexibility without need for plasticizers also make tpo a reliable low slope roofing system. We mechanically fastened tpo and weld ed the seams together. Tar gravel to tpo re roof. Many contractors advertised that they are gaf master elite roofers yet only want to install torch down materials.

Leaks happen where things penetrate the roof surface on flat areas where water ponds and when blisters crack open. Any advice input would be greatly appreciated. Heat welded seams provide superior strength. We stripped out the water damaged materials of the old tar and gravel roof and installed a tough waterproof tpo roof thermoplastic polyolefin.

Their current built up roof or tar and gravel roof had sustained water damage. A flat roof still has an almost imperceptible slope to it to handle drainage of rain and snow. Short for thermoplastic polyolefin tpo is a single ply roofing membrane that offers excellent performance at a cost effective price. Tpo is extremely resilient and flexible which allows it to be used successfully on many different roof types even residential flat roofs.

Common tpo roofing problems like this see those materials pushed into the rubber membrane breaking or tearing it by creating holes in the rubber and insulation. The light gray shade provides reflective properties that will keep the roof and structure cooler in summer months but also warm in the winter due to the. Water damaged tar gravel roof. A built up roof of layers of paper and tar topped with gravel can last 10 20 years on flat roofs.

First you have much better thermal properties tpo being a cool roof which is essential in climate like new mexico. I really wanted to stay away from the torch down roof and was thus looking at tpo roof.