How Insulated Panels Speed Up The Construction

Introduction

Insulated Panels are prefabricated building panels used in floors, walls, ceilings on buildings. Installing insulated panels for building constructions are aimed to make sure the energy efficiency, simple and fast installation and a decrease in working costs. A structural insulated panel (SIP) is a composite building material; consisting of an insulating layer core sandwiched between layers of metals.

Features of SIP

SIP’s are commonly made of the Oriental Strand Board (OSB) panels sandwiched around a foam core made of expanded polystyrene (EPS), extruded polystyrene (XPS) or inflexible polyurethane foam. Other materials similar to plywood, pressure-handled plywood for under-grade foundation partitions, metal, aluminum, cement board similar to Hardie Backer, and even unique materials like stainless steel, fiber-reinforced plastic, and magnesium oxide may also be utilized in replacement of OSB. SIPs provide continuous air and vapor barrier as well as elevated R-Value compared to traditional constructions. When labor price, materials waste and energy efficiency are considered SIPs are comparable to more typical building methods.

History

The Thought of Structural Insulated Panels (SIPs) introduced The Forest Products Laboratory in Madison, Wisconsin in 1935. The laboratory developed a prototype panel consisted of framing members, plywood and hard board sheathing, and insulation. These initial panels have been used to build test properties and tested after 30 years to reveal that the panels retain their initial strength. In 1952 Alden B. Dow created the primary foam cores SIPs which had been being mass produced within the 1960’s.

How to use SIP

The SIPs are designed to resist axial loads, shear loads and out of edge loads. These can be used for floors, partitions, roofs etc… for the buildings. They have the ability to withstand the bi-axial bending and lateral shear; so, they’re very a lot suitable to be used as roofs and floors. Probably the most widely used panel joint connections are the Surface spline and Block Spline. The Surface spline Joint Connection consists of the strip of OSB or plywood inserted into slots in the foam. The block spline is a thin and slim SIP assembly that is inserted into recesses in the foam alongside the panel edges. These connections lead to a continuous foam core throughout the panels. This helps to eliminate air filtration on the joints.

One other joint connection is Mechanical cam locks; create a tighter joint between the panels. In any type of connection, the seam along the sheathing must be covered with a continuous line of panel tape. Openings might occur at the edges and corners of the panel, and so the panel foam can be recessed to access lumber headers. Any opening within the SIPs that accept one other enclosed component have to be properly sealed.

Benefits and Drawbacks

Benefits:

1. SIP provides the tighter building envelope and the partitions will have higher insulating properties.

2. Lower in working costs.

3. Buildings made with insulated panels might be easily dismantled and reused

4. Insulated panel properties (strength and thermal insulation property) will remain the identical if reused.

5. It’s value effective as it can be installed simply

Drawbacks:

1. Quite poor performance with respect to the noise control.

2. Can be damaged by moisture. Better to use the panels with waterproof surfaces.

3. Panels must be properly protected from pests/insecticides.

4. Requires a proper mechanical air flow system

5. Modification of the initial project is costly.

Conclusion

The Structural Insulated Panels come prefabricated and ready to be assembled, and therefore it helps to speed up the construction.Also, it requires minimal equipment and workforce and therefore price effective.

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