Cellular Glass Engineering SA

FOAMGLAS – PERINSUL UNDER BEARING WALLS

Proving test for determinating ultimate stresses for heat – insulating PERINSUL SL – elements under load bearing brickwork. Applicable as ground beam or as soil inlay flush with upper edge. Load actions according to fundamentals due to recommendation SIA V177 "brickwork" (1995). Standard method for thickness of wall 125 mm up to 350 mm. With optional extensions and information for structural engineer.

COMPARATIVE THICKNESS OF FOUNDATIONS SLABS

Calculating instrument for predimensioning foundation slabs, if these are not built directly on the underlying ground, but on a thermal insulation layer. Specification of required comparative thickness of slab with identic deformation behaviour, resp: specification of different deformation of slabs and probable indirect stresses in the superstructure with unchanged thickness.

PERMITTED CONCENTRATED LOADS ON LOAD DISTRIBUTION LAYER ABOVE FOAMGLAS – INSULATION

Proving test for permissible stress of FOAMGLAS – insulation layers between stable ground and load bearing layer under concentrated load.
Information about permissible load depending on position and dimensioning of contact area. With specification of resulting moments and bending stresses in wear layers, due to permissible maximal load. Specification for required reciprocative minimal distances for several concentrated loads. Further for maximal shearing stress against piercing in wear layer, expected under concentrated load pemitted for compressive stress.

FOAMGLAS – ADMISSIBLE COMPRESSIVE STRENGTH FOR ENGINEERING DESIGN

Instrument for describing the distribution of the compressive stress values of all available FOAMGLAS – products.
Probable compressive value [N/mm²] according to specified frequency of compressive failure stress (%) between 0.1% up to 10.0% – resp: specified compressive value [N/mm²] with calculation of probable underscoring frequency (%) for production.
Valid for a confidence level of 95% in both cases, based on also communicated parameters of new random checks, updated due to appropriate factory tests in case to case.

REQUIRED INSULATION THICKNESS FOR FLAT ROOFS

Comparative calculations concerning the required insulation thickness for different roofing systems as non ventilated flat roofs (especially FOAMGLAS – compact roof) and inverted roofs. Specifications concerning the required additional insulation thickness for inverted roofs with identical energy consumption, resp: Specification concerning the required additional energy consumption for inverted roofs with identic insulation thickness compared to compact roofs. Differentiations between 22 locations in Switzerland, resp. 100 locations in Germany as well as 21 further locations in Europe.

ECONOMICAL ASSESSMENT OF FOAMGLAS COMPACT ROOFS

Instrument for drawing an economical comparison between competing roof systems, based on a statistical frequency for the (possible) service life of the roof, depending on subjective risk assessment. Results for 20 different frequencies of exceeding resp. underflowing, each including:
total cost difference, relative profitability and required active payment of interest of the erection cost difference for total cost identity. Further a socalled “risk / usage integral” for the competitors roof assemblies and specification of the time for equality in cost.
Evaluation of iternal interest rate and break-even point (BEP) for the competing alternative on basis of a separate result line for individual calculations.

ADDITION SPRING 2007: Possible query of break-even point (BEP) also for FOAMGLAS – compact roof in interposed, second result line – measurable by the discounted total costs for the competing roof due to a service life, which must be clearly defined. Illustration of mathematical correlation in separate assistance (pdf).

MARGINAL COST OF FLAT ROOF RENOVATIONS

Calculation model for determining the permissible costs for a flat roof renovation compared with an immediate reconstruction. The results are based on a frequency distribution of forecast for the (probable) residual – servicel life of the renovated roof after renovation.

THERMAL BEHAVIOUR OF FOAMGLAS INSULATED ROOFS AND WALLS UNDER SEASONAL CONDITIONS

Calculation of informative parameters for roofs and facades under seasonal conditions. Resulting from individual selection and determination of construction materials arranged according to succession and thickness of layers. With completing relative comparison for more detailed defined reference cross section "pure brickwork".

THERMAL BRIDGES RESULTING FROM LOAD BEARING FIXINGS OF VENTILATED CLADDINGS

Instrument for thermal dimensioning of insulation material for ventilated claddings – in consideration of thermal bridges due to load bearing fixings of ventilated claddings.

ENERGETICALLY OPTIMIZED FOAMGLAS – INSULATION FOR HEATED BASEMET APPLICATIONS

Minimisation of costs for FOAMGLAS – insulation which observes the determined mean U – value for basement slabs and underground walls. Optimised distribution of insulation between floor area, perimeter floor zones and underground walls. Depending on ground – plan and bedding in earth. In consideration of special case "no basement". Calculation modell according to EN ISO 13370: 1998.

ECOLOGICALLY OPTIMAL INSULATION OF EXTERNAL ENVELOPE

Program for determining optimal thickness of insulation according to the demand of energy consumption, with the simultaneous condition, that the need for primary energy added up by the building envelope is minimalised for the selected materials. Results dependent on a determined planning horizon as well as a service life inherent in the system for different components and building methods of the building envelope. Probable demolition energy of used insulation materials is to be considered.

ECOLOGICAL PROFILE OF INSULATION LAYERS

Determination of relative marginal utility of different, simultaneously used insulating materials, if a minimal loss of transmittance heat shall be reached with a limited primary energy consumption. Comparison based on a reference cross section of FOAMGLAS – insulation material, which determines the observable (assessed) primary energy consumption.

ECOLOGICAL UTILITY OF FOAMGLAS – COMPACT ROOFS

Instrument for determinating the relative ecological utility of a FOAMGLAS – compact roof. Described by an accumulated demand of primary energy for all used layers within a fixed planning horizon (identic FOAMGLAS – reference roof – service life) – expressed as difference value (in heating oil equivalent) in contrast to any competitors roof assembly with assumed service life. Graphic – tabular description of result analogous PCE – online – program "economic efficiency of FOAMGLAS – compact roofs".

USEFUL RANGE OF INDOOR INSULATION ON UNDERGROUND WALLS

Specification of permissible indoor climate of afterwards indoor insulated and faced underground walls – dependent on additional insulation and facing (open to water vapour diffusion), complementary to the vapour barrier effect of FOAMGLAS – insulation. Results depending on outdoor temperature and underground level of the wall. Calculation based on EN ISO 13370:1998, with tabular indication of results and individual possibility to query.

ADMISSIBLE COMPRESSIVE STRESS VALUES FOR FOAMGLAS UNDERNEATH SINGLE – AND STRIP FOUNDATION

Calculation program for determining reduced admissible FOAMGLAS – compressive stress values for concentrated load, if this is transferred by a foundation with limited dimensions and if the (single) foundation is defined according to the usual specification: "ground pressure = load per area".
Calculation of accordant impairing factors (R) for the admissible compressive stress of the insulation, depending on bedding modulus, bending stiffness and the dimension of the foundation.

LOADED INDUSTRIAL FLOORS ON FOAMGLAS INSULATION ABOVE GROUND

Program to prove industrial floors on FOAMGLAS insulation above ground in case of concentrated loads. Concrete elements with (dowelled) joints; considering the resulting bending stress as well as the bending moments for the possible dimensioning of reinforcement steel. Larger choice of alternative materials for the industrial floor, with suggested moduli of elasticity for the proof calculation. Settlement difference of one-sided load on not dowelled slab edges / dilatation joints. Possible consideration of weak intermediate layers / impact sound insulations as well as competing elasto-plastic insulations and / or reinforcing gravel layer.

CONDENSATION AND DRYING-OUT OF MULTILAYERED STRUCTURES ACCORDING TO INDIVIDUAL CLIMATE - CUMULATIVE FREQUENCY

Calculating instrument for determinating condensation and drying-out of multilayered structures in annual balance. Based on ISBN 3-85567-138-9 / 1983, resp. Norm SIA 180 / 1999 resp. EN ISO 13788 / in process. In principle: Glaser method without consideration of pellicular characteristics and convective air flows. Results according to outdoor climatic values specific to location and indoor climate, which is variable to a certain extent. Separate presentation of socalled <inversion layers> for other critical material layer limits, resulting from so-called reversed diffusion.

LIFE CYCLE COSTING (LCC) - PROFILE OF STRUCTURAL MEMBERS OF BUILDING ENVELOPE

Graph with total costs (LCC, in ***/m²a) of a structural member "from the cradle to the grave", converted to an arbitrarily defined period of time. Including costs for erection, maintenance and demolition aswell as required energy costs. Including possible single advances or (advanced) makeshifts without residual value. Result as expectation spectrum distributed by probabilities and depending on forecasted bandwidths for influencing parameters.

OPTIMUM FOAMGLAS - INSULATION DUE TO FREE DIMENSIONING

Energetic dimensioning of structural members, either with aim <minimal total costs> or <maximal efficiency>. Declaration of required thickness of insulation, resulting U – value, price-performance difference (resp. price-performance ratio), payback period for insulation costs on current energy price, further declaration of equivalent energy price for payback until end of service life aswell as declaration of bandwidth [mm] of all profitable thicknesses of insulation. Appropriate enquiry possibilities also for free chosen thickness of insulation.
With enquiry option for freely selected thickness.

U - VALUE AND COEFFICIENT OF COOLING DOWN (Ö - NORM B 8110), INCLUDING HEAT STORAGE COEFFICIENT AND NUMBER OF HALF VALUE THICKNESSES AS WELL AS FUNCTIONAL UNIT OF GREY ENERGY OF STRUCTURAL MEMBERS

Calculating U - value of structural members according to available data base or free specification of material. Declaring <Nbr. HWD> of cross section (<see output>) as well as its coefficient of cooling down according to Austrian standard B 8110, including heat storage coefficient. Defining grey energy of structure, related to same time horizon for all functional units.