Tar and Crushed Rock Roofing: Pros, Cons, and Installation Process

A tar and gravel roofing system, likewise known as a built-up roof covering (BUR), is a kind of roof that has been utilized for several years as a result of its toughness and cost-effectiveness. It is generally discovered on business buildings, but can likewise be made use of on houses. In this post, we will discover the pros, disadvantages, and installation process of a tar and crushed rock roofing system.

Pros of Tar and Gravel Roof:

1. Durability: One of the primary advantages of a tar and gravel roof is its sturdiness. The numerous layers of tar and gravel provide superb protection versus UV rays, extreme climate condition, and foot website traffic. This type of roofing system is understood to have a long life-span, usually lasting approximately three decades or even more with appropriate maintenance.

2. Affordable: Tar and crushed rock roofs are relatively economical compared to various other roofing systems. The products utilized, such as tar, crushed rock, and layers of roofing felt, are cost effective. In addition, the installment process is less complicated, which assists to reduce labor costs compared to more detailed roof.

3. Fireproof: An additional advantage of tar and crushed rock roof coverings is their fire-resistant properties. The several layers of tar and gravel function as an obstacle against fire, making it a much safer choice contrasted to a few other roof covering materials.

4. Easy repair services: If damage occurs to a tar and gravel roof covering, repairs are fairly easy. It is simple to identify and spot any kind of leaks or damaged areas. The materials used for repair are conveniently offered and affordable.

Cons of Tar and Gravel Roof Covering:

1. Weight: Among the disadvantages of a tar and crushed rock roof is its weight. The numerous layers of tar, crushed rock, and roof covering really felt can make the roof heavy, calling for additional assistances to be mounted. It is essential to have a structural assessment prior to mounting this kind of roofing system to ensure the structure can deal with the weight.

2. Upkeep: Tar and crushed rock roofs require normal maintenance to ensure their durability. The layer of gravel can become displaced over time, revealing the underlying layers, which can result in leaks. Normal examinations and maintenance by specialists are necessary to deal with any type of potential concerns.

3. Installation: The installation process of a tar and gravel roofing is much more labor-intensive compared to other roof. It involves applying multiple layers of tar, roofing really felt, and crushed rock, which needs skilled workers with experience in this kind of roofing. This may lead to higher setup costs.

Installment Process:

The installation of a tar and crushed rock roofing usually includes the adhering to actions:

1. Surface area preparation: The existing roof covering surface area is cleaned up and prepared by getting rid of any type of particles, old roof covering material, and repairing any kind of harmed areas.

2. Application of base layer: A layer of water resistant roof covering really felt or asphalt-impregnated fiberglass is related to the entire roof surface area.

3. Application of tar: Hot asphalt tar is then put or mopped over the base layer, creating a leak-proof seal.

4. Crushed rock application: While the tar is still hot, crushed rock is equally spread over the surface. The crushed rock assists to secure the underlying layers from UV rays and supplies a durable surface area for foot traffic.

5. Last evaluation: Once the installment is complete, a last inspection is carried out to make certain the roofing is correctly sealed and free from any type of problems or leakages.


A tar and gravel roof covering is a sturdy and cost-efficient choice for both industrial and homes. While it has its drawbacks, such as weight and maintenance needs, its lengthy lifespan and fireproof properties make it a popular selection. If you are thinking about a tar and crushed rock roof, talk to a specialist professional roofer to assess your demands and guarantee a correct installment.

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