What is the best grade 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.

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 grades of asphalt?

The Asphalt Institute specifies four penetration grades: 60-70, 85-100, 120-150, and 200-300. The 60-70 grade is usually used only in pavements where traffic is very heavy such as principle city streets and very heavily trafficked rural highways.

What type of asphalt is best for driveways?

Hot mix asphalt is considered best for driveways, because construction and design features are suitable to giving it a finished appearance that complements the home.

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.

Types of Asphalt Mixes

How many years does an asphalt driveway last?

High-quality asphalt pavement can last an average of 15 to 20 years with the right care and maintenance. The freeze and thaw cycles of the area along with the type of soil underneath the base stone are main factors in the lifespan of the pavement.

What is the average depth of an asphalt driveway?

Residential driveways typically use 2 to 3 inches of asphalt with 3 being suitable for occasional large trucks or heavy equipment. Underneath the asphalt you should have 6 to 8 inches of granular base aggregate. Underneath this you have soil.

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”.

How can you tell the quality of asphalt?

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 kind 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 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.

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 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 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 bitumen grade?

VG-20 bitumen is a grade of viscosity bitumen used in cold climatic and high altitude regions. This grade of bitumen is suitable for road construction in regions with 30 to 37 °C average temperature. In North India, vg20 is used for road construction in hot mix asphalt.

Is asphalt better than concrete?

Overall, asphalt is less durable than concrete. With proper maintenance, it can last 30 years. Alternatively, concrete provides a sturdy, long-lasting option and can last homeowners 50+ years with occasional repairs and degreasing.

What is the difference between bitumen and asphalt?

Bitumen is the liquid binder that holds asphalt together. A bitumen-sealed surface is a layer of bitumen sprayed and then covered with an aggregate. This is then repeated to give a two-coat seal. Asphalt is produced in a plant that heats, dries, and mixes aggregate, bitumen, and sand into a composite.

What type of asphalt is used for parking lots?

Porous Asphalt.

Porous asphalt has been around since the mid 1970s. This type of asphalt is used in parking lots to enable water to drain through the pavement. This pavement solution is cost-effective and can last for more than twenty years.

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 is SM 9.5 a asphalt?

SM-9.5A This mix is a 'fine' to 'medium' (3/8 inch (9.5 mm) nominal maximum aggregate size) surface mix generally placed at 1 ½ inches (40 mm) in thickness. The 'A' designation corresponds to the Performance Graded (PG) asphalt binder of PG 64S-22 required in the mix.

What is the minimum thickness for asphalt?

Asphalt Thickness:

Asphalt driveways need to be a minimum of 2” thick and are typically 3” (compacted).

Why does asphalt have two layers?

This twin layer method retains heat more effectively than a single layer and as a result, helps extend the paving season through the year (as paving operations can be carried out in temperatures down to 0°C), while also providing a much better interlock between the two asphalt courses.

How much weight can a asphalt driveway hold?

How Much Weight Can Crack A Driveway? The 3,000 psi slab should be able to support 3,000 pounds, but if you are concerned about cracking, limit it to 300 psi.