What are the different levels of asphalt?

There are three different grades available in asphalt. The grades available are I-2, also known as base; I-5, known as top ;and the I-4 or commercial top grades. The difference in the tree grades are that the I-2 or base consists of ¾ inches of stone. The base grade is generally used in corn stabilizing level.

What are 3 types of asphalt?

There are three main types of asphalt: Hot Asphalt, MC Cold Mix, and UPM. There are also different varieties of these asphalts for summer and winter use.

What are the different types of asphalt driveways?

What are the different types of asphalt mixes?

The pavement mix types targeted are Open-Graded Friction Courses (OGFC), Stone Matrix Asphalt (SMA), and fine- and coarse-graded dense mixes.

What is Type 7 blacktop?

Type 7 asphalt contains fine stone and dust which has a very smooth finish. Type 6 asphalt contains slightly larger stone, so it provides more strength but is not quite as smooth as Type 7. Once Sealcoated it is difficult to distinguish the difference in the textures.

Types of Asphalt Mixes

What is Type 6F asphalt?

There are many different types of asphalt used for paving. The most common are Binder and 7F fine topcoat. However, a new trend in commercial paving is to use what is called a 6F material which is a combination of the Binder and 7F fine topcoat. Contact us today to discuss your commercial asphalt paving needs.

What is Type 3 binder asphalt?

NYSDOT Type 1 Base and Type 3 Binder Mixes

Base and Binder Mixes are a coarser grade of blacktop containing a higher percentage of larger stones. These larger stones increase in stability when added to the asphalt mix and also raises the load factor the surface can endure before breaking or cracking.

What is the difference between Type 2 and Type 3 asphalt?

Type II, is considered flat and can be applied to surfaces up to 1/4 in 12 slopes. Type III, is considered to be “steep” asphalt but is limited to slopes up to 2 in 12, and Type IV is “special steep”.

What is type II asphalt?

IKO Asphalt Type 2 is a proven waterproofing material and is suitable for use in selected damp proofing and waterproofing applications. The product is an oxidized bitumen intended for use with organic felts, glass felts, modified membranes, insulation and cover boards with slopes of 0-1:12 (0-8%).

What is 9.5 mm asphalt used for?

A single course of 9.5 mm mixture is recommended due to the confined areas generally involved where constructing Sidewalk, Golf Cart Paths or Bike Paths except where poor subgrade is encountered.

What is the best thickness for an asphalt driveway?

A 4-inch thickness may be adequate, but 5 or even 6 inches of full-depth asphalt will assure you of a stronger, stable driveway under a wider range of climate and loads. As an option, some contractors use 6 to 8 inches of compacted aggregate, or gravel, as a base under 3 inches of asphalt pavement.

What is the difference between Type A and Type B asphalt?

Some of the Differences between Types A & B are as follows: Type A hot mix requires that at least 90% of the coarse aggregate and 70% of Fine aggregate used contains crushed particles while Type B hot mix only requires 25% and 20% respectively.

How can you tell the quality of asphalt?

What is Type 1 asphalt?

IKO Asphalt Type 1 is a proven waterproofing material and is suitable for use in selected damp proofing or waterproofing applications. Processed under strict quality control standards in IKO's own oxidizing vessels, the product is available in bulk liquid.

What type of asphalt is used for roads?

Of all the asphalt types available, hot mix asphalt is the most commonly used on roads, pavements. It is a flexible mix of fine and coarse aggregate and asphalt binder, which produces a highly weather-resistant pavement. Hot Mix Asphalt is heated and poured at temperatures of about 300 to 350 degrees Fahrenheit.

What asphalt is used on roads?

Asphalt concrete (commonly called asphalt, blacktop, or pavement in North America, and tarmac, bitumen macadam, or rolled asphalt in the United Kingdom and the Republic of Ireland) is a composite material commonly used to surface roads, parking lots, airports, and the core of embankment dams.

What is Type IV asphalt?

APOC T4 Roofing Asphalt is a hot applied asphalt designed to be used by professionals in built up roofing. It is formulated with premium grade asphalts, and provides outstanding performance. This product has excellent adhesion and waterproofing properties, and delivers consistent and dependable results.

What makes a good asphalt driveway?

In general, driveway mixes should be designed with more asphalt binder and less air voids than highway mixes. The aggregate structure is where opinions differ. Many experts prefer that driveway surface mix have a finer gradation than highway mix. This gives a finer surface texture and smooth appearance.

How thick is the asphalt on a highway?

If the quality of the soil subgrade is excellent, the asphalt thickness may be as little as 6.5 inches, but if the soil subgrade is poor, the thickness may need to be increased to 11.5 inches.

What is SP asphalt?

Superpave mix design specifies aggregate gradation control points, through which aggregate gradations must pass. These control points are very general and are a starting point for a job mix formula. It is rare to obtain a desired aggregate gradation from a single aggregate stockpile.

What is 19mm asphalt?

Asphalt Paving ‐ 19mm Binder Course

19mm Binder Course is applied in one layer, is as strong as regular base and has a sufficient amount of liquid asphalt to roll into a very durable surface. The difference is that the texture is coarser than 9.5mm Wearing Course.

What is cold mix asphalt?

Cold emulsion mixes are basic aggregate-asphalt emulsion mixes classified by their use, composition and storability. Mix designs are required to determine the grade and percent of emulsion used, as well as the workability, stability, strength and moisture susceptibility. Mixes are designed for purpose and climate.

What is the difference between asphalt and blacktop?

Asphalt generally refers to major highways and streets, whereas, blacktop is commonly used to refer to driveways and residential roads. As a matter of fact, blacktop is a type of asphalt.

What is dense graded asphalt?

Dense grade asphalt is a continuously graded mixture of coarse and fine aggregates, mineral filler and bitumen. It is delivered, laid and compacted while hot. Our grade of dense asphalts is capable of producing and laying mixes with maximum stone sizes from 20mm to 7mm.

How thick should an asphalt overlay be?

How Thick Should an Asphalt Overlay Be? A conventional asphalt overlay is at least 2 inches thick. This will vary based on the damage to the existing asphalt surface, however. The more damage there is to the existing asphalt, the thicker the overlay will need to be.