Our experience is that most gravel roofs are 3 ply hot mopped asphalt built up with a gravel finish applied.
Gravel size blue roof.
Gravel is an effective mulch for plants because it helps prevent evaporation from the soil surface and unlike wood mulch doesn t get blown away in typical weather.
A built up roof bur sometimes called a tar and gravel roof is a tried and true style of flat roof.
Gravel you see it on roadsides at construction sites and in road building.
While tar and gravel roofing or built up roofing systems have many positive aspects if you live in an area or the roof is in a location where it will receive strong sun exposure hot tar roofs will likely damage the roof s membrane if it is left uncovered or unevenly covered by the gravel.
This particular size of gravel ranges in diameter from 3 4th of an inch 1 9 centimeters to 1 inch 2 54 centimeters in diameter.
A blue roof is a roof of a building that is designed explicitly to provide initial temporary water storage and then gradual release of stored water typically rainfall.
Naturally smaller gravel under 1 4 inch size may scatter a bit.
Blue roofs are constructed on flat or low sloped roofs in urban communities where flooding is a risk due to a lack of permeable surfaces for water to infiltrate or seep back into the ground.
Here alternating layers of roofing felt usually fiberglass and hot applied asphalt are combined to create a long lasting roof system.
Lets examine a few characteristics of gravel starting with size.
Roofers river gravel click to enlarge image s roofer s gravel is a 1 to 2 rounded colorful river gravel that is used for rubber roofing or landscaping purposes.
Size 10 gravel can be used in paving.
Large particle gravels like one half inch and larger crushed rock and drain rock have gravity and size to their advantage and will be much less likely to track into the house than decomposed.
Tar and gravel roofing is the generic name for a built up roofing system used on low slope roofs.
Gravel is a essential building block for almost any type of housing or infrastructure.
This makes medium size gravel the perfect choice for for flowerbeds and the base of trees.
Gravel sizes and applications for construction landscaping.
This gravel is often used for paving walk or driveways at it can be walked and driven on with.
Pea gravel crushed rock and decorative rock white quartz are often dispersed into a flood coat of hot asphalt and applied over the top of the roof membrane.