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.
Gravel on top of tpo of roof.
Rain was pooling in areas resulting in leaks rotted wood and damaged insulation.
Many contractors advertised that they are gaf master elite roofers yet only want to install torch down materials.
We mechanically fastened tpo and weld ed the seams together.
I am looking to replace my old tar and gravel roof on a low slope 2 storey semi detach house.
Water damaged tar gravel roof.
Various types of burs require a different type and weight of gravel depending on the underlying layers the structure of the building and the.
Short for thermoplastic polyolefin tpo is a single ply roofing membrane that offers excellent performance at a cost effective price.
The single ply membrane roofing doesn t have a hard top layer that is meant to protect the layer of synthetic rubber from things like gravel dropped tools or loose screws.
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.
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.
If you strictly compare tar gravel vs tpo then tpo is a far better choice.
Tar gravel to tpo re roof.
We installed tpo flashing to a tpo metal strip on the top center of the parapets.
Leaks happen where things penetrate the roof surface on flat areas where water ponds and when blisters crack open.
Then you have repairability finding and fixing a leak in tpo is much easier faster and cheaper than on t g roof.
Any advice input would be greatly appreciated.
Tpo also has several colour options dark and light.
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.
Heat welded seams provide superior strength.
First you have much better thermal properties tpo being a cool roof which is essential in climate like new mexico.
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.
We mechanically fastened thick expanded polystyrene insulation over the roof substrate.
We stripped out the water damaged materials of the old tar and gravel roof and installed a tough waterproof tpo roof thermoplastic polyolefin.
A built up roof of layers of paper and tar topped with gravel can last 10 20 years on 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.
Their current built up roof or tar and gravel roof had sustained water damage.