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01926 495 717

01926 495 717

01926 495 717

01926 495 717

020 8133 6532

01926 495 717

info@iglu.org.uk   www.iglu.org.uk

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IGLU Contemporary design

Modular Buildings... super fast delivery at a lower cost

Welcome to IGLU... Modular Contemporary Building


Modular Buildings offer a range of benifits which deliver faster build times at lower costs.


Walls, floors and roofs are pre prebuilt in a controlled production facility using standardisation in size, specification and design.


When wall panels, roof panel and floors can be designed and manufactured in standard sizes, production costs are minimised and supply are cut.


Modular Buildings... have it sooner and pay less

Many unfamiliar people confuse structural insulated panels (SIPs) with prefab or modular building construction. This leads to mistaken impressions that SIPs are a cheap construction with limited design styles, flexibility and life expectancy...

Prefabricated and modular buildings encounter a variety of problems on site with the erection process -- for example in getting the building straight, achieving and constraining a level and for being airtight. Much of this is due to the fact it is a mass produced product that tries to do everything. This in itself limits the scope for design and flexibility.

SIPs are completely flexible and tailored to suit your requirements. Complicated shapes and angles can be produced more economically often without the need for additional costly frames / support members.

Individual architects schemes can be modified to work with structural insulated panels, usually without effecting the look of the project (although some details may need to be modified to work with SIPs).

When a project is designed with SIPs components from its conception, the modular size and spanning capabilities of SIPs can be fully utilized. The flexibility of the 3D computer aided design process ensures exceptionally accurate panel engineering, which in turn enables precise on site construction.

Design flexibility and production capabilities inherent with the SIPs system make it attractive for both custom projects and to those interested in affordable housing.




Panel Construction

The standard IGLU Structural Insulated Panel consist of two facings of 12mm OSB 3 (oriented strand board) bonded by pressure injection to CFC free/OPD zero polyurethane closed cell foam.  The facings and core act as a composite structure, the option of various facing thicknesses are available upon request.



OSB 3 board comprises softwood flakes/strands bonded together with PMDI resin and are absolutely formalhyde free.  The board is manufactured to the specification detailed in EN 13986 and EN 300: 1997 for OSB 3 load bearing oriented strand boards for use in humid conditions.  All OSB 3 used by IGLU SIPs Building is from sustainable timber sources.



The chemical mixture of the SBS panel core consists of BASF Elastopor H 1236/3 - Polyurethane and BASF ISO PMDI 92140 - Isocyanate blended together to create a core that has a GWP ( global warming potential ) less than 5. The foam core is CFC and HCFC free with a density of 45kg per cubic m².




• Overall thicknesses range from 75mm - 250mm,

• Standard width 1220mm,

• Standard stock lengths 6250mm, 5500mm & 4900mm,

• Made to measure lengths are available upon request.



IGLU SIPs are able to produce various thicknesses of panel this allowing us to achieve very low u-values, our u-values can range from 0.35W/m².K down to 0.10W/m².K, please download our u-value table for different performances.




The SIP panel will meet all the requirements in the Building Regulations with regard to fire resistance when lined with plasterboard. These requirements are similar to those for traditional and timber frame construction. A single layer of plasterboard will provide 30 minutes rating and a double layer 60 minutes rating. IGLU SIPs can provide standard construction details and results from independent fire tests.



Acoustic insulation between rooms and externally is improved by the plasterboard lining. IGLU SIPs can advise on constructions to achieve levels of sound reduction required by the Building Regulations, please download our acoustic certificate for examples.



A building constructed with SIP panels will have durability comparable to other forms of construction. If the design of the structure  follows best practice and the building is maintained and weather tight, a life of at least 60 years may be expected.



Use of the SIPS panel and jointing system can create an airtight structure that will meet requirements in the new Building Regulations. Such is the effectiveness of the system that positive ventilation methods should be considered. At the same time positive ventilation systems can be linked to heat recovery that can save energy costs.



IGLU SIPs panels have been subjected to a number of testing procedures. These include loading the panels with a uniformly distributed load (‘udl’) to measure strength and deflection between two supports, axial loads centrally and eccentrically placed, racking loads and shear and bending loads on the panel joints. The strength of the joints between the individual panels is such that panels can be used to span over openings and be supported by the panels each side. It's easy to incorporate additional timber to support localised concentration of loading. Routinely this is done at the joints in the panels. However, with careful detailing, much of this can be avoided.


Tests have shown that the panels have a very high ultimate bending strength. Deflection, calculated as described in the IGLU Design Guide, is the governing criterion in design. This increases user confidence knowing that safe working loads are well in excess of standard deflection limits.



Axial loading tests on panels 100m thick, 2.4m in height and 2.4m in width were seen to fail at a load of 440kN/m. Using a factor of safety of 2.0 it is seen that panels will comfortably support a vertical load of 90 kN/m. These loads are well in excess of the average foundation loading from a typical two-storey house of traditional construction.




Benefits of Building with IGLU SIPs Panels........

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