Company Name: Wispeco (Pty) Ltd

Address:  PO Box 124267  ALRODE 1451

Telephone:   +27(0)11 389 0000

Fax :  +27(0)11 908 4648

Email:   kevin@wispeco.co.za

Approved Extract

The certificate covers the Crealco U-Solve Whole Window and Door U-Value & SHGC Calculator for use in calculating the thermal transmittance (U-Value) and solar heat gain coefficients (SHGCs) of whole windows and doors manufactured from Wispeco’s Crealco aluminium window and door frame extruded profiles.The software is used by organisations/individuals registered with the Building Environment Council (SAIA  SAIAT ECA) approved by and subject to the terms and conditions of Wispeco (Pty) Ltd.Whole window and door U-Values and SHGCs calculated using this software may be used in the calculations required in terms of SANS 204 and in energy modelling software.