FREQUENTLY ASKED QUESTION ABOUT INSULATED METAL PANELS
In this article, we’ll shed light on how to get the most of the insulation advantages. Therefore, here you can find a guideline to the frequently asked questing regarding insulated metal panels.
1. INSULATED METAL PANELS APPLICATIONS
Insulated sandwich panels are used for single and occasionally multi-story buildings. Certainly, polyurethane is the most common core insulation for this application. Furthermore, sandwich panels that you use externally have to withstand wind-loads and also be weather-tight.
INSULATED INTERNAL ENVELOPES AND PARTITIONS
Insulated sandwich panels are used typically in food factories, cold stores, pharmaceutical industries, other temperature-controlled envelopes, and high tech clean rooms. Certainly, Expanded Polystyrene (EPS) is the most common core insulation for these applications.
FIRE RESISTING COMPARTMENT WALLS
You can use very successfully some sandwich panel systems in this application. Certainly, high-density Rock Wool mineral fiber we commonly use for this application as it can easily provide panels with 30 minutes and up to 240 minutes fire resistance. Hence it is important to ensure that the panel system provides adequate insulation to ensure that combustible materials in direct contact with the unexposed panel side will not ignite. (In addition, that is the purpose of the insulation required in the fire resistance test).
Our roof and wall insulated panels are suitable for almost any type of construction, such as:
- Industrial and commercial warehouses;
- Agricultural buildings;
- Office buildings;
- Aviation hangars;
- Food factories;
- Modular housing;
- Temporary hospital units;
- Cold storages.
2. WHICH INSULANTS ARE USED IN INSULATED SANDWICH PANELS?
- Polyurethane (PUR)
- Polyisocyanurate (PIR)
- LPCB approved Polyisocyanurate (PIR+) (certainly better quality and fire performance than the standard PIR)
- Rock Wool (RW)
- Glass Wool (GW)
3. WORKING TEMPERATURES OF PUR, PIR, AND ROCKWOOL INSULATED METAL PANELS
The temperature resistance properties of an insulated sandwich panel under elevated temperatures is very important in practice. Furthermore, permanent temperature hikes can lead to dimensional changes, loss of shape and strength, thermal decomposition, etc.
Therefore, in certain applications, we suggest paying attention to these working temperature limits of the insulated metal panel.
TEMPERATURE APPLICATION LIMITS:
- PUR and PIR sandwich panels from -40°C to 80 °C (from -40°F to 176°F);
- Rock Wool sandwich panels from -20°C to 100 °C (from -4°F to 212°F).
4. WHAT IS THE PURPOSE OF THERMAL INSULATION?
5. WHAT IS R-VALUE?
R-Value is the rating system used to grade insulation products or a material’s insulating properties. The “R” stands for “resistance” and refers to the resistance a material has to heat flow or temperature conduction. The higher the R-value, the greater the insulating effectiveness. The R-value depends on the type of insulation, its thickness, and its density.