[vc_row css_animation="" row_type="row" use_row_as_full_screen_section="no" type="full_width" angled_section="no" text_align="left" background_image_as_pattern="without_pattern"][vc_column width="2/3" css=".vc_custom_1434349958983{padding-bottom: 20px !important;}"][vc_column_text] Sandwich Panel Walling [/vc_column_text][vc_column_text] Precast sandwich panels provide a superior energy-efficient solution for exterior walling, whilst also being durable and fire resistant. Precast sandwich panels are typically made of an external concrete layer (non-loadbearing), an insulation...