# Up and Over Glazing Glass > Source: https://crystalunits.com/up-and-over-glazing-glass/ > Author: Lukasz > Published: 2026-08-06T12:13:43+00:00 > Modified: 2026-08-06T12:14:21+00:00 Specialist insulated glass for up and over glazing systems. Technical support, structural glass expertise, premium finishes and UK manufacturing from Crystal Units. 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pointer_events="all"][vc_column_inner column_padding="no-extra-padding" column_padding_tablet="inherit" column_padding_phone="inherit" column_padding_position="all" flex_gap_desktop="10px" column_element_direction_desktop="default" column_element_spacing="default" desktop_text_alignment="default" tablet_text_alignment="default" phone_text_alignment="default" background_color_opacity="1" background_hover_color_opacity="1" column_backdrop_filter="none" column_shadow="none" column_border_radius="none" column_link_target="_self" overflow="visible" gradient_direction="left_to_right" overlay_strength="0.3" width="1/2" tablet_width_inherit="default" animation_type="default" enable_animation="true" animation="fade-in-from-bottom" animation_easing="default" bg_image_animation="none" border_type="simple" column_border_width="none" column_border_style="solid" column_padding_type="default" gradient_type="default"][split_line_heading line_reveal_by_space_text_effect="scroll-opacity-reveal" font_style="h3" text_color="#000000" stagger_animation="true" font_size_max="90px" content_alignment="default" mobile_content_alignment="inherit" animation_type="line-reveal-by-space" link_target="_self" text_content="Specialist glass for up and over glazing" font_size="2vw" font_size_phone="28px" font_line_height="1.3" font_size_tablet="7vw" text_direction="default"][/split_line_heading][vc_column_text css_animation="none" css=".vc_custom_1784206512239{margin-top: 15px !important;}" max_width="550" text_direction="default"]Up and over glazing is one of the most striking architectural glazing features in modern residential design. A pane of glass rises vertically before continuing across the roof, creating an uninterrupted transition between wall and ceiling that floods interiors with natural light. While the framing system creates the overall structure, the glass specification is critical to the performance, safety and longevity of the installation. At Crystal Units, we manufacture bespoke insulated glass units for up and over glazing systems, supporting glazing companies, window manufacturers and installers with technically engineered glass that is designed specifically for each project. Whether supplying a slim glazed strip running from wall to roof or large-format structural glazing units, our team provides the technical support and manufacturing expertise needed to deliver premium architectural glazing.[/vc_column_text][divider line_type="No Line" custom_height="20px" custom_height_phone="10px"][nectar_cta btn_style="arrow-animation" heading_tag="h4" link_type="regular" button_color="default" button_color_hover="#da2c46" text_color="#da2c46" text_color_hover="#ffffff" button_border_color="#da2c46" button_border_color_hover="#da2c46" button_border_thickness="1px" alignment="left" alignment_tablet="default" alignment_phone="default" display="block" display_tablet="inherit" display_phone="inherit" link_text="Get Free Quotes" url="/contact/" margin_top="30" padding_top="20" padding_right="40" padding_bottom="20" padding_left="40"][/vc_column_inner][vc_column_inner column_padding="no-extra-padding" column_padding_tablet="inherit" column_padding_phone="inherit" 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flex_gap_desktop="10px" column_element_direction_desktop="default" column_element_spacing="default" desktop_text_alignment="default" tablet_text_alignment="default" phone_text_alignment="default" background_color_opacity="1" background_hover_color_opacity="1" column_backdrop_filter="none" column_shadow="none" column_border_radius="none" column_link_target="_self" overflow="visible" gradient_direction="left_to_right" overlay_strength="0.3" width="1/2" tablet_width_inherit="default" animation_type="default" enable_animation="true" animation="fade-in-from-bottom" animation_easing="default" bg_image_animation="none" border_type="simple" column_border_width="none" column_border_style="solid" column_padding_type="default" gradient_type="default"][split_line_heading line_reveal_by_space_text_effect="scroll-opacity-reveal" font_style="h3" text_color="#000000" stagger_animation="true" font_size_max="90px" content_alignment="default" mobile_content_alignment="inherit" animation_type="line-reveal-by-space" link_target="_self" text_content="Why choose Crystal Units for up and over glazing glass?" font_size="2vw" font_size_phone="28px" font_line_height="1.3" font_size_tablet="7vw" text_direction="default"][/split_line_heading][vc_column_text css_animation="none" css=".vc_custom_1784206545223{margin-top: 15px !important;}" max_width="550" text_direction="default"]Complex glazing projects require far more than simply manufacturing an insulated glass unit. Our technical team works with customers throughout the specification process, helping ensure every glazing unit is designed correctly before manufacture. We support customers with: - Technical specification advice - In-house glass calculations - Wind load calculations - Barrier load assessments - Glass specification to suit structural requirements - Silicone-sealed insulated glass units for enhanced durability - Black ceramic borders for a premium concealed finish - Polished edges where required - Large-format insulated glass units - Solar control coated glass - The UK's only licensed facility for painting Guardian SunGuard and ClimaGuard coated glass - Dow Corning Quality Bond licensedTM structural glazing manufacturing This combination of technical support and specialist manufacturing helps installers reduce project risk while delivering outstanding finished results. [/vc_column_text][divider line_type="No Line" custom_height="20px" custom_height_phone="10px"][nectar_cta btn_style="arrow-animation" heading_tag="h4" link_type="regular" button_color="default" button_color_hover="#da2c46" text_color="#da2c46" text_color_hover="#ffffff" button_border_color="#da2c46" button_border_color_hover="#da2c46" button_border_thickness="1px" alignment="left" alignment_tablet="default" alignment_phone="default" display="block" display_tablet="inherit" display_phone="inherit" link_text="Get Free Quotes" url="/contact/" margin_top="30" padding_top="20" padding_right="40" padding_bottom="20" padding_left="40"][/vc_column_inner][/vc_row_inner][/vc_column][/vc_row][vc_row type="full_width_background" full_screen_row_position="middle" column_margin="default" column_direction="default" column_direction_tablet="default" column_direction_phone="default" scene_position="center" bottom_padding="7%" bottom_padding_phone="25%" text_color="dark" text_align="left" row_border_radius="none" row_border_radius_applies="bg" row_position_desktop="default" row_position_tablet="inherit" row_position_phone="inherit" overflow="visible" overlay_strength="0.3" gradient_direction="left_to_right" shape_divider_position="bottom" bg_image_animation="none" gradient_type="default" shape_type=""][vc_column column_padding="no-extra-padding" column_padding_tablet="inherit" column_padding_phone="inherit" column_padding_position="all" flex_gap_desktop="10px" column_element_direction_desktop="default" column_element_spacing="default" desktop_text_alignment="default" tablet_text_alignment="default" phone_text_alignment="default" background_color_opacity="1" background_hover_color_opacity="1" column_backdrop_filter="none" column_shadow="none" column_border_radius="none" column_link_target="_self" column_position="default" gradient_direction="left_to_right" overlay_strength="0.3" width="1/1" tablet_width_inherit="default" animation_type="default" bg_image_animation="none" border_type="simple" column_border_width="none" column_border_style="solid"][vc_row_inner column_margin="default" column_direction="default" column_direction_tablet="default" column_direction_phone="column_reverse" text_align="left" row_position="default" row_position_tablet="inherit" row_position_phone="inherit" overflow="visible" pointer_events="all"][vc_column_inner column_padding="no-extra-padding" column_padding_tablet="inherit" column_padding_phone="inherit" column_padding_position="all" flex_gap_desktop="10px" column_element_direction_desktop="default" column_element_spacing="default" desktop_text_alignment="default" tablet_text_alignment="default" phone_text_alignment="default" background_color_opacity="1" background_hover_color_opacity="1" column_backdrop_filter="none" column_shadow="none" column_border_radius="none" column_link_target="_self" overflow="visible" gradient_direction="left_to_right" overlay_strength="0.3" width="1/2" tablet_width_inherit="default" animation_type="default" enable_animation="true" animation="fade-in-from-bottom" animation_easing="default" bg_image_animation="none" border_type="simple" column_border_width="none" column_border_style="solid" column_padding_type="default" gradient_type="default"][split_line_heading line_reveal_by_space_text_effect="scroll-opacity-reveal" font_style="h3" text_color="#000000" stagger_animation="true" font_size_max="90px" content_alignment="default" mobile_content_alignment="inherit" animation_type="line-reveal-by-space" link_target="_self" text_content="Glass options for up and over glazing" font_size="2vw" font_size_phone="28px" font_line_height="1.3" font_size_tablet="7vw" text_direction="default"][/split_line_heading][vc_column_text css_animation="none" css=".vc_custom_1784206584020{margin-top: 15px !important;}" max_width="550" text_direction="default"]Every project has different performance requirements. Crystal Units manufactures insulated glass units using a wide range of specialist glass products, including: - Toughened safety glass - Laminated safety glass - Heat soak tested toughened safety glass - Solar control coated glass - Low emissivity coated glass - Acoustic glass - Large-format glazing - Decorative ceramic borders - Bespoke coatings and finishes For projects requiring enhanced performance, our glazing can also incorporate: **C.U.in** Our suspended film insulating glass technology delivers ultra-low U-values while reducing overall unit weight, making it ideal for demanding architectural glazing applications. **NUCLR Heated Glass** NUCLR heated glass can provide condensation control, add heat to the space, improved comfort near large glazed areas and snow and ice reduction where required.[/vc_column_text][divider line_type="No Line" custom_height="20px" custom_height_phone="10px"][nectar_cta btn_style="arrow-animation" heading_tag="h4" link_type="regular" 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overlay_strength="0.3" width="1/2" tablet_width_inherit="default" animation_type="default" enable_animation="true" animation="fade-in-from-bottom" animation_easing="default" bg_image_animation="none" border_type="simple" column_border_width="none" column_border_style="solid" column_padding_type="default" gradient_type="default"][split_line_heading line_reveal_by_space_text_effect="scroll-opacity-reveal" font_style="h3" text_color="#000000" stagger_animation="true" font_size_max="90px" content_alignment="default" mobile_content_alignment="inherit" animation_type="line-reveal-by-space" link_target="_self" text_content="Manufactured for demanding architectural glazing" font_size="2vw" font_size_phone="28px" font_line_height="1.3" font_size_tablet="7vw" text_direction="default"][/split_line_heading][vc_column_text css_animation="none" css=".vc_custom_1784206744568{margin-top: 15px !important;}" max_width="550" text_direction="default"]Up and over glazing places significant demands on the insulated glass unit. Roof glazing requires careful consideration of: - Wind loading - Barrier loading - Structural performance - Safety requirements - Thermal movement - Water run off - Long-term durability Our technical team works alongside glazing companies and window manufacturers to ensure every insulated glass unit is manufactured to suit the specific structural and performance requirements of the project.[/vc_column_text][divider line_type="No Line" custom_height="20px" custom_height_phone="10px"][nectar_cta btn_style="arrow-animation" heading_tag="h4" link_type="regular" button_color="default" button_color_hover="#da2c46" text_color="#da2c46" text_color_hover="#ffffff" button_border_color="#da2c46" button_border_color_hover="#da2c46" button_border_thickness="1px" alignment="left" alignment_tablet="default" alignment_phone="default" display="block" display_tablet="inherit" display_phone="inherit" link_text="Get Free Quotes" url="/contact/" margin_top="30" padding_top="20" padding_right="40" padding_bottom="20" padding_left="40"][/vc_column_inner][/vc_row_inner][/vc_column][/vc_row][vc_row type="full_width_background" full_screen_row_position="middle" column_margin="default" column_direction="default" column_direction_tablet="default" column_direction_phone="default" scene_position="center" bottom_padding="7%" bottom_padding_phone="25%" text_color="dark" text_align="left" row_border_radius="none" row_border_radius_applies="bg" row_position_desktop="default" row_position_tablet="inherit" row_position_phone="inherit" overflow="visible" overlay_strength="0.3" gradient_direction="left_to_right" shape_divider_position="bottom" bg_image_animation="none" gradient_type="default" shape_type=""][vc_column column_padding="no-extra-padding" column_padding_tablet="inherit" column_padding_phone="inherit" column_padding_position="all" flex_gap_desktop="10px" column_element_direction_desktop="default" column_element_spacing="default" desktop_text_alignment="default" tablet_text_alignment="default" phone_text_alignment="default" background_color_opacity="1" background_hover_color_opacity="1" column_backdrop_filter="none" column_shadow="none" column_border_radius="none" column_link_target="_self" column_position="default" gradient_direction="left_to_right" overlay_strength="0.3" width="1/1" tablet_width_inherit="default" animation_type="default" bg_image_animation="none" border_type="simple" column_border_width="none" column_border_style="solid"][vc_row_inner column_margin="default" column_direction="default" column_direction_tablet="default" column_direction_phone="column_reverse" text_align="left" row_position="default" row_position_tablet="inherit" row_position_phone="inherit" overflow="visible" pointer_events="all"][vc_column_inner column_padding="no-extra-padding" column_padding_tablet="inherit" column_padding_phone="inherit" column_padding_position="all" flex_gap_desktop="10px" column_element_direction_desktop="default" column_element_spacing="default" desktop_text_alignment="default" tablet_text_alignment="default" phone_text_alignment="default" background_color_opacity="1" background_hover_color_opacity="1" column_backdrop_filter="none" column_shadow="none" column_border_radius="none" column_link_target="_self" overflow="visible" gradient_direction="left_to_right" overlay_strength="0.3" width="1/2" tablet_width_inherit="default" animation_type="default" enable_animation="true" animation="fade-in-from-bottom" animation_easing="default" bg_image_animation="none" border_type="simple" column_border_width="none" column_border_style="solid" column_padding_type="default" gradient_type="default"][split_line_heading line_reveal_by_space_text_effect="scroll-opacity-reveal" font_style="h3" text_color="#000000" stagger_animation="true" font_size_max="90px" content_alignment="default" mobile_content_alignment="inherit" animation_type="line-reveal-by-space" link_target="_self" text_content="Premium finishes for architectural glazing" font_size="2vw" font_size_phone="28px" font_line_height="1.3" font_size_tablet="7vw" text_direction="default"][/split_line_heading][vc_column_text css_animation="none" css=".vc_custom_1784206809817{margin-top: 15px !important;}" max_width="550" text_direction="default"]The visual finish is just as important as the glass performance. Crystal Units offers a range of manufacturing options to help deliver a clean architectural appearance, including: - Black ceramic border printing - Precision polished edges - Silicone structural edge seals - Solar control coatings - Large uninterrupted glass panels - Specialist painted solar control glass These finishing options help create the minimalist appearance expected from premium architectural glazing.[/vc_column_text][divider line_type="No Line" custom_height="20px" custom_height_phone="10px"][nectar_cta btn_style="arrow-animation" heading_tag="h4" link_type="regular" button_color="default" button_color_hover="#da2c46" text_color="#da2c46" text_color_hover="#ffffff" button_border_color="#da2c46" button_border_color_hover="#da2c46" button_border_thickness="1px" alignment="left" alignment_tablet="default" alignment_phone="default" display="block" display_tablet="inherit" display_phone="inherit" link_text="Get Free Quotes" url="/contact/" margin_top="30" padding_top="20" padding_right="40" padding_bottom="20" padding_left="40"][/vc_column_inner][vc_column_inner column_padding="no-extra-padding" column_padding_tablet="inherit" column_padding_phone="inherit" column_padding_position="all" flex_gap_desktop="10px" column_element_direction_desktop="default" column_element_spacing="default" desktop_text_alignment="default" tablet_text_alignment="default" phone_text_alignment="default" background_color_opacity="1" background_hover_color_opacity="1" column_backdrop_filter="none" column_shadow="none" column_border_radius="none" column_link_target="_self" overflow="visible" gradient_direction="left_to_right" overlay_strength="0.3" width="1/2" tablet_width_inherit="default" animation_type="default" bg_image_animation="none" border_type="simple" column_border_width="none" column_border_style="solid"][image_with_animation image_url="7509" image_size="full" max_width="100%" max_width_mobile="default" animation_type="entrance" animation="Fade In From Bottom" animation_easing="default" animation_movement_type="transform_y" hover_animation="zoom" alignment="" border_radius="none" box_shadow="none" image_loading="default"][/vc_column_inner][/vc_row_inner][/vc_column][/vc_row][vc_row type="in_container" full_screen_row_position="middle" column_margin="default" column_direction="default" column_direction_tablet="default" column_direction_phone="default" scene_position="center" text_color="dark" text_align="left" row_border_radius="none" row_border_radius_applies="bg" row_position_desktop="default" row_position_tablet="inherit" row_position_phone="inherit" overflow="visible" overlay_strength="0.3" gradient_direction="left_to_right" shape_divider_position="bottom" bg_image_animation="none"][vc_column column_padding="no-extra-padding" column_padding_tablet="inherit" column_padding_phone="inherit" column_padding_position="all" flex_gap_desktop="10px" column_element_direction_desktop="default" column_element_spacing="default" desktop_text_alignment="default" tablet_text_alignment="default" phone_text_alignment="default" background_color_opacity="1" background_hover_color_opacity="1" column_backdrop_filter="none" column_shadow="none" column_border_radius="none" column_link_target="_self" column_position="default" gradient_direction="left_to_right" overlay_strength="0.3" width="1/1" tablet_width_inherit="default" animation_type="default" bg_image_animation="none" border_type="simple" column_border_width="none" column_border_style="solid"][split_line_heading line_reveal_by_space_text_effect="scroll-opacity-reveal" font_style="h3" text_color="#000000" stagger_animation="true" font_size_max="90px" content_alignment="default" mobile_content_alignment="inherit" animation_type="line-reveal-by-space" link_target="_self" text_content="Why glazing companies choose Crystal Units" font_size="2vw" font_size_phone="28px" font_line_height="1.3" font_size_tablet="7vw" text_direction="default"][/split_line_heading][vc_column_text css="" text_direction="default"]With over 30 years' experience manufacturing insulated glass units, Crystal Units has become a trusted partner for technically demanding glazing projects. Customers choose Crystal Units because we provide: - Technical guidance before manufacture - In-house engineering support - Glass calculations and specification assistance - Specialist structural glazing knowledge - Premium manufacturing quality - Large-format insulated glass capability - Fast, reliable UK manufacturing - Comprehensive glazing solutions from a single supplier Whether you're manufacturing bespoke aluminium systems, timber frames or contemporary architectural glazing, we provide the specialist insulated glass units and technical expertise needed to help deliver successful up and over glazing installations.[/vc_column_text][divider line_type="No Line" custom_height="20px" custom_height_phone="10px"][nectar_cta btn_style="arrow-animation" heading_tag="h4" link_type="regular" button_color="default" button_color_hover="#da2c46" text_color="#da2c46" text_color_hover="#ffffff" button_border_color="#da2c46" button_border_color_hover="#da2c46" button_border_thickness="1px" alignment="left" alignment_tablet="default" alignment_phone="default" display="block" display_tablet="inherit" display_phone="inherit" link_text="Get Free Quotes" url="/contact/" margin_top="30" padding_top="20" padding_right="40" padding_bottom="20" padding_left="40"][divider line_type="No Line" custom_height="20px" custom_height_phone="10px"][divider line_type="No Line" custom_height="20px" custom_height_phone="10px"][divider line_type="No Line" custom_height="20px" custom_height_phone="10px"][/vc_column][/vc_row]