Isoplast is today a well-known and popular roofing material. It costs more than a roofing material, but at the same time it has much better operational characteristics. Several types of this coating are produced, differing mainly by purpose. Various companies produce isoplast.
What is the material?
Isoplast is sold, the technical characteristics of which are given below, in rolls a meter wide. The strip length in this case is 10 m. Outwardly, this material resembles a regular roofing material. However, the basis in it is not cardboard, but fiberglass or polyester. Hence its increased tensile strength. On both sides, the base is coated with bitumen with the added polymer APP, IPP or similar polyolithins. From below (and sometimes from above) the strip is glued with a protective film. During installation, it is simply removed. On some varieties, scaly, coarse or fine-grained sprinkling is applied from above.
Material advantages
The advantages of this type of roofing include the following:
- Easy installation. Stacking can be done by two people.
- Tensile strength and cracking. When laying do not need to be especially careful. It is quite difficult to tear isoplast (unlike, for example, from roofing material).
- Resistance to temperature extremes. You can work with this material even in very cold weather.
- Durability. Isoplast can last more than twenty years.
- Resistance to damage by bacteria.
- Environmental Safety.
- Full waterproof.
- Light weight. Raising rolls on the roof, as well as transporting them is very easy.
Material flaws
The disadvantages of this type of roofing protection include only a rather high cost. However, given the fact that the isoplast has been used for a very long time, this drawback is not very significant. Also a minus of this material is its vulnerability to sharp and cutting objects. Therefore, some caution in its installation and operation must still be observed.
Isoplast: specifications
Of course, before acquiring the material, you should find out exactly what properties it possesses. Below in the table we present to your attention its main technical characteristics.
Parameter | "P" | "TO" |
Weight (kg) | 3.0-5.5 | 4.0-5.0 |
Water absorption (% by weight during the day) | one | one |
Water resistant | Absolute | Absolute |
The basis | Fiberglass or Polyester | Fiberglass or Polyester |
Breaking Strength (N / 50 mm) | 360 and above | 600 - polyester, 800 - fiberglass |
Flexibility on timber R10 | No kinks at a temperature of at least -15 degrees | Not less than -15 degrees |
Heat resistance | 120 degree maximum | 120 degrees |
Varieties of material
When gluing the roof with any kind of roll coatings, usually several layers are arranged for reliability. Isoplast is no exception in this regard. Most often, 2-3 layers are placed on the roof of houses. At the same time, the lower ones, unlike the upper ones, have no toppings. Depending on the intended use, the material is thus divided into those marked with the letters “P” (lining) and “K” (roofing). The first is used in the lower layers. For the device of the top, roofing isoplast should be used. Technical characteristics of both varieties are given in the table above. They are valid for all modifications of the material. As you can see, the reliability of this roofing is very good.
Isoplast EPP: specifications
As can be judged by the marking, this material is used in the lower layers of the coating. Its basis is polyester. The two letters "p" are used in the marking because both the bottom and the top of the isoplast strip of this type are covered with a plastic film. Most often, a type of EPP is used to repair roofs, as well as to cover horizontal roofs. After the letters in the labeling of the isoplast, numbers usually follow (for example, 4.0). They denote the weight per square meter of the strip. That is, the larger the number, the thicker the waterproofing. Thus, the isoplast EPP 4, the technical characteristics of which correspond to the properties of the “P” group, presented in the table, has a smaller thickness than the material marked with the number 5.
Isoplast HPP
The scope of this variety is the same as that of EPP. The only difference is that the HSP is made on the basis of fiberglass rather than polyester. A plastic film, on which the strips are coated on both sides, prevents the rolls from sticking together during storage and transportation, even in hot weather. Having bought the material, you are disappointed, as it sometimes happens when purchasing roofing material, you will not.
Isoplast EMF
This modification of the material isoplast "P" (technical specifications are the same as for all lining varieties) is also used in the lower layers of the carpet. But in this case, the front side of the strips is not covered with a plastic film, but sprinkled with fine quartz sand. The use of such a material increases the reliability of the entire coating as a whole.
Isoplast ECP
The material of this variety is used as the finish layer in the roofing carpet. It cannot be used for the lower layers. On top of the ECP isoplast , the technical characteristics of which allow it to be used for any type of roof, can be processed with scaly (vermiculite) or coarse-grained slate topping. This significantly increases the surface resistance to adverse environmental factors, and also extends the life of the roofing carpet. Bottom strips are covered with a protective film. Sometimes fine sand is also used instead.
Isoplast DP
This type of material is used to level the steam. It is made on the basis of fiberglass. There are several modifications: DHP-1.5 ... DHP-2.5.
Using Isoplast to Protect Roofs
Lay the material in question is allowed on absolutely any basis. It can be either concrete (high-rise buildings), or a crate made of wood or plywood. In the first case, the surface is pre-primed. You can use this roofing material in any climatic regions of Russia.
In the event that the roof is covered for the first time, at least two layers of material should be laid. At the same time, as was said before, the “P” isoplast is laid down, and “K” is placed on top. If the roof was already covered with some kind of roll material, it is allowed to use only one layer - "K". The places of abutment (chimneys, dormers) and joints (valleys) should be laid in several layers. In this case, it is possible to use both isoplast EPP 4, the technical characteristics of which make it simply an ideal option for this purpose, and EPP 5 or modifications of BFP.
The strips are overlapped in both horizontal and vertical directions. On pitched roofs, the material is fused from top to bottom. During installation, they use a special roller for rolling strips. Isoplast EKP 4-5 should be used for the top layer, the technical characteristics of which make it possible to arrange a very durable, absolutely waterproof and maintainable roof.
Correction of damaged coatings is as follows:
- At the site of swelling, the material is cut crosswise.
- The corners are bent and heated from below by a gas burner.
- Then they are applied in place and pressed tightly.
- A patch is placed on top of the damaged area.
The rules for installing isoplast in the case of its use as a waterproofing material are the same. Before gluing, the surface should be carefully prepared, cleaned of dirt and leveled.
As you can see, isoplast, the technical characteristics of which are presented above, is a very high-quality material, reliable and durable. Even despite the rather high price, it is definitely worth using it to cover the roofs. Thanks to its durability and reliability, it will pay for itself very quickly.