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Single-Sash Outward-Opening Side-Hung Window

1 Sash Without Glazing Bars

Single-Sash Outward-Opening Side-Hung Window
Single-Sash Outward-Opening Side-Hung Window
Single-Sash Outward-Opening Side-Hung Window
Single-Sash Outward-Opening Side-Hung Window
Single-Sash Outward-Opening Side-Hung Window
Single-Sash Outward-Opening Side-Hung Window
Single-Sash Outward-Opening Side-Hung Window
Single-Sash Outward-Opening Side-Hung Window
Single-Sash Outward-Opening Side-Hung Window
Single-Sash Outward-Opening Side-Hung Window
Single-Sash Outward-Opening Side-Hung Window
Single-Sash Outward-Opening Side-Hung Window
Single-Sash Outward-Opening Side-Hung Window
  • Single sash
  • Outward opening
  • Choice of handles
  • High thermal insulation
  • Single-sash
  • Opens outwards
  • Handle options
  • Thermal performance
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Bloomcabin 1 sash without glazing bars. This side-hung, outward-opening window has one sash with no glazing bars. Its uninterrupted pane creates a clean, calm appearance and reinforces the pared-back design. It is a discreet choice for façades where openness and crisp lines take centre stage.

Why choose this Bloomcabin design?

  1. Unbroken glass surface

    With no glazing bars across the sash, the glass remains visually continuous and calm. The restrained design draws attention to crisp outlines and a balanced overall form.

  2. Side-hung opening

    Hinged at the side, the sash opens outwards. This clear opening action sits naturally within the simple design while retaining its straight-lined character.

  3. High energy efficiency

    Its energy-efficient focus supports a comfortable indoor climate and pleasant living conditions throughout the year.

This version suits modern, minimalist and deliberately understated façade concepts. It can also be an appropriate renovation choice where a clean window design is wanted. The glazing remains free from bars, while the single sash defines the uncluttered overall view. The result is a calm, purposefully reduced look.

Customer reviews 5-star rating

  1. “Neat workmanship and noticeably better insulation in winter.” – Sarah Anderson
  2. “Installation went smoothly; the quality impresses us every day.” – Benjamin Brown
  3. “The windows look high-quality and close pleasingly quietly.” – Amelia Davies

Flexible payment options Choose from the available payment methods during checkout.

Configure now Configure this window to suit your architectural concept. For questions, contact our team.

More information
SPECIFICATION

Type: outward-opening;

Warranty: 5 years;

CE: yes;

Material: pine, aluminium-clad pine, oak or aluminium-clad oak;

Glazing: 2- or 3-pane insulated glass unit with heat-reflective coating, warm-edge spacer (CHR) and argon gas;

Glazing seals: black rubber seals;

Hardware: SPILKA, IPA;

Installation holes: 14 mm;

Outer frame: 105 × 57 mm; aluminium-clad: 115 × 57 mm;

Sash frame: 76 × 65 mm; aluminium-clad: 86 × 65 mm.

Energy efficiency class
with 3 layer glass
with 2 layer glass

Custom-made windows

Single-sash outward-opening side-hung window

A configurable side-hung window for your project

Single-sash outward-opening side-hung window

This single-sash side-hung window opens outwards and can be requested to custom dimensions. Choose the timber, with or without aluminium cladding, colour, handle and glazing-bar layout to create a coordinated finish.

Opening type

Outward-opening side-hung window

Material

Pine or oak, both also with aluminium cladding

Sizing

Custom sizing available

Conformity

CE marked

Opening outwards, this single-sash side-hung window combines a clearly defined operation with a design that can be tailored to your plans. Request custom dimensions and coordinate the material, colour, handle and glazing-bar pattern for the project. Pine and oak are available, with either timber also offered with aluminium cladding. The result can sit comfortably within a restrained façade scheme or a more divided composition while retaining its distinct single-sash format.

The glazing is specified as a coated insulated glass unit with a warm-edge spacer and argon fill. A choice of glazing-bar arrangements allows the glass area to be divided in different ways. Consider every element together: operation, intended opening, frame material, glazing, linework, colour and handle form one connected selection. This page covers everyday use, construction details and how to prepare a precise enquiry.

01

Operation and everyday use

The single sash moves outwards when this window is opened. Its direction of travel is therefore clear and can be allowed for early in the planning process. In daily use, take this outward movement into account. Operate the handle carefully, guide the sash evenly and avoid swinging it forcefully. A controlled action helps look after the window, its hardware and its seals.

Because the sash swings outside, keep its path unobstructed. This matters particularly where planters, decorations or other movable items are positioned directly in front of the window. Also consider nearby sills, cladding and projecting building elements. Keep the direction of movement in mind when ventilating, closing or cleaning, and guide the sash with care.

The handle is a selectable part of the order and will be used regularly. Coordinate its design with the frame material, colour and glazing-bar layout, and include the preference in your configuration notes. SPILKA and IPA hardware is specified for this window construction. During operation, the handle, hardware and sash work as one functional assembly and should be considered together.

Before closing, check that the sash can return to the frame without anything caught in between. Clear obstacles from its travel area and use the handle without excessive force. Keep accessible areas of the frame and sash free from heavy dirt. This keeps everyday use straightforward: operate the handle, guide the sash carefully and leave its immediate movement zone clear.

02

Construction, components and technical dimensions

The window comprises a fixed frame and one sash frame. The stated dimensions apply specifically to these components; they are not the overall dimensions of the complete window. The fixed-frame section is 105 × 57 mm, or 115 × 57 mm when aluminium cladding is selected. The sash-frame section is 76 × 65 mm, increasing to 86 × 65 mm with aluminium cladding. Installation holes are 14 mm. Use these figures to identify the relevant component, not as the depth, width or height of the ordered window.

Choose an insulated glass unit with either 2 or 3 panes. The product is CE marked and carries a 5-year guarantee. SPILKA and IPA hardware is specified as part of the window construction, while you can select the preferred handle option for the enquiry. Record the handle alongside the material, colour, glazing and glazing-bar pattern.

Choose either pine or oak for the timber. Both timbers are also available with aluminium cladding, so all-timber and aluminium-clad versions can be specified. As cladding also changes the stated component dimensions, make it clear in the enquiry from the outset.

When passing technical information to a designer or installer, pair each value with its component name. This makes clear whether it relates to the fixed frame, sash frame or installation holes. Final window dimensions do not result from simply adding the section sizes; they must be set for the requested custom build and intended opening.

Product view of the single-sash outward-opening side-hung window

03

Glazing as a coordinated component

The glazing is described as an insulated glass unit with a heat-reflective coating, a CHR warm-edge spacer and argon gas fill. These elements belong together and should be treated as one build-up. State the glazing together with the frame material, aluminium cladding and glazing-bar pattern so the requested arrangement remains clear.

Select either a 2-pane or 3-pane insulated glass unit during configuration. Make this choice with the timber, any aluminium cladding and the preferred glazing-bar pattern, so both glass construction and appearance are identified from the beginning. Note the glazing option explicitly: pane count is a separate choice from a plain view or any of the available glazing-bar designs.

Black rubber seals are specified for the glazing area. They are a separate component of the chosen window and glazing specification. Include this detail when considering the timber, aluminium cladding, colour and glazing-bar pattern as a whole. For visual planning, the combined surfaces and lines matter most: frame, glazing, bars and handle together define the window’s character.

When cleaning, treat the glass, rubber seals, frame and any aluminium cladding according to the relevant material. Remove loose dirt gently and avoid unnecessary stress on seals and adjoining surfaces. If the appearance of the glass is important, record the glazing option, glazing-bar pattern and colour selection. A labelled sketch can show the intended arrangement of horizontal and vertical lines.

04

Comparing the specified glazing-bar patterns

Several named glazing-bar patterns are available. “1 sash without glazing bars” keeps the glass visually calm without added dividing lines. “1 sash with 1 horizontal glazing bar” introduces a horizontal division, while “1 sash with 1 vertical glazing bar” places the division vertically. These three descriptions alone show how the same single-sash basis can be composed differently.

For a crossing arrangement, choose “1 sash with 1 horizontal and 1 vertical glazing bar”. More vertically defined divisions are “1 sash with 1 horizontal glazing bar and 2 vertical glazing bars” and “1 sash with 1 horizontal glazing bar and 3 vertical glazing bars”. “1 sash with 2 horizontal glazing bars and 1 vertical glazing bar” is also listed, placing greater emphasis on horizontal division.

Every listed option uses the same single-sash window that opens outwards. What changes is the number and placement of horizontal and vertical glazing bars. Choose uninterrupted glass, a single division or a more structured view. Give the complete name of the preferred pattern, as one horizontal and one vertical bar create a different arrangement from two horizontal bars with one vertical bar.

When selecting a pattern, look at the directions already emphasised by the façade. Horizontal lines may relate to cornices, cladding or neighbouring openings, while vertical lines can follow existing axes. These are design considerations, not fixed product effects. Where several windows are visible together, repeating a glazing-bar pattern can support a cohesive appearance. State the exact option in the enquiry and add a simple sketch if helpful, so horizontal and vertical lines are not confused.

05

Assessing the intended opening carefully

A custom-made window starts with a clear description of the intended opening. Do not rely on one measurement only; check the opening at several points. Building openings can vary in ways that are not immediately visible. Record where measurements were taken and note details of reveals, connections and adjacent surfaces. Opening measurements are separate from the component sections listed in the construction section.

Remember that the sash moves outwards. The clear travel space required depends on the particular window specification and installation situation, so assess it for the project. External building elements, parapets, railings, cladding, sills or permanently positioned objects may be relevant. Roof overhangs and other projections also require attention if they sit close to the sash’s path.

Also consider how the frame is to connect with the surrounding building elements. The installation situation may affect the information needed for an enquiry. Internal and external views plus a simple section sketch can make the description easier to understand. Photographs are useful when they show the opening unobstructed and indicate scale, but they do not replace carefully recorded measurements.

If anything is uncertain, identify it clearly rather than recording assumptions as fixed requirements. Keep existing opening dimensions, desired overall window dimensions and known connection requirements separate. This helps prevent a component size being mistaken for an order size. A well-structured site record provides a reliable basis for discussion without replacing project-specific assessment.

Further product view of the single-sash outward-opening side-hung window

06

Material, colour and visual composition

Pine and oak offer two distinct timber options for the design. Both are available with or without aluminium cladding. Set this basic material specification before coordinating the colour, handle and glazing-bar pattern. The individual design decisions can then be combined into one clearly described configuration.

A choice of colours is available, allowing the window to relate to façade surfaces, adjoining components or the interior scheme. A subdued shade close to its surroundings can integrate the window more strongly with the setting, while deliberate contrast can draw attention to its outline or glazing-bar pattern. These effects depend on the project, light and surrounding materials; they are not fixed product properties.

Do not consider colour entirely separately from material. Timber surfaces and aluminium-clad areas may appear different even within a coordinated concept. The handle also contributes to the overall appearance. It can sit discreetly with the frame or become an intentional detail. Record the exact handle choice together with the selected colour in the enquiry.

The glazing-bar pattern is the graphic element of the composition. A plain sash has a different effect from versions with horizontal, vertical or crossing lines. Where a coordinated appearance is wanted, align this division with neighbouring windows and doors. Consider the timber, aluminium cladding, window colour and handle as well. Existing material or colour samples and a façade sketch can assist comparison, although light, surroundings and viewing distance will influence the final impression.

07

Understanding related product types

Where a project includes different openings, comparing related product types can be useful. A double-sash version has a different sash arrangement from this single-sash side-hung window, although both types are available as outward-opening designs. The regular double-sash version is available in pine or oak, each also with aluminium cladding. The historical-style double-sash version is specified in pine and oak. Both types are offered with 2-pane or 3-pane insulated glass units and various glazing-bar patterns.

Kombi versions combine a fixed glazed section with one sash. Several plain designs and layouts with horizontal and vertical glazing bars are specified. The regular Kombi version is available in pine or oak, both also with aluminium cladding. Historical-style products are offered in pine and oak but without aluminium-clad versions. These material differences matter particularly where several windows on one façade are intended to share a surface concept.

Separate window categories are also available for other installation areas. The roof pivot window is described with a bottom-mounted operating handle, pine with aluminium cladding and 2-pane insulated glazing. The single-sash reversible window has a vertical pivot axis and opens outwards; it is available in pine or oak, with or without aluminium cladding, and with 2-pane or 3-pane insulated glass. Compare operation, material and glazing as well as appearance.

Single-sash patio doors are another related product group. They also open outwards and are available with 2-pane or 3-pane insulated glass; depending on the version, a panel may be included. The regular version is available in pine and oak, including aluminium-clad options, whereas the historical-style version is limited to pine or oak. SPILKA and ASSA hardware with 3-point locking is specified. Use the following product links to explore each version and its available designs.

Double-sash outward-opening side-hung window, Historical-style double-sash outward-opening side-hung window, Outward-opening “Kombi” side-hung window, Historical-style outward-opening “Kombi” side-hung window, Roof pivot window, Single-sash outward-opening reversible window with vertical pivot axis, Single-sash outward-opening patio door, Historical-style single-sash outward-opening patio door.

08

Prepare your enquiry in a few steps

Start by identifying the product: specify that you are enquiring about a single-sash outward-opening side-hung window. Then provide the requested dimensions and state clearly whether they are existing opening measurements or already established overall window dimensions. A small labelled sketch can avoid misunderstanding and show the viewing direction for your information.

Next, specify the material. Select pine or oak and state whether aluminium cladding is required. Add the preferred colour using a clear colour description. If a particular handle is wanted, include it in the same configuration notes. This keeps material, surface finish and operating detail together as connected decisions.

Then select a glazing-bar pattern from the available designs. Use its complete name so the number and orientation of horizontal and vertical bars remain unambiguous. Also state whether you want a 2-pane or 3-pane insulated glass unit. If matching existing windows or a particular line arrangement matters, add a labelled elevation sketch. This makes the glazing bars, glass and design intention easy to understand at a glance.

Finally, bring together project-specific notes. These can include the installation situation, adjacent building elements or a coordinated approach with other windows and doors. Label photographs and drawings so each file is clear. Before sending the enquiry, check that it includes the product name, dimensions, material, cladding, colour, handle, glazing-bar pattern and glazing. This compact sequence supports a shared understanding and allows follow-up questions to focus on decisions still open.

Questions and answers

Common questions about the single-sash side-hung window

Is the window available to custom dimensions?

Yes. This window can be requested to custom dimensions. Provide carefully measured dimensions for the intended opening. Details of the installation situation are also helpful so the enquiry can be clearly identified and discussed.

Can I choose the window colour?

Yes. A choice of colours is available. Coordinate your preferred shade with the façade, interior, material and any existing building elements. Include the exact colour specification in your enquiry.

Can I choose a handle?

Yes, handle selection is available as part of the configuration. Tell us your preferred handle with the material, colour, glazing and glazing-bar details. SPILKA and IPA hardware is specified for the window construction; the handle is coordinated as part of the requested overall version.

Which timbers are available with aluminium cladding?

Both pine and oak are available with aluminium cladding. You may alternatively select an all-timber version. When enquiring, clearly state both the timber species and whether the window should be supplied with or without aluminium cladding.

Which glazing is available for the side-hung window?

Choose from 2-pane or 3-pane insulated glass units. The glazing build-up includes a heat-reflective coating, a CHR warm-edge spacer and argon fill. Include the preferred option with the remaining configuration information in your enquiry.

How do I choose a glazing-bar pattern?

Decide whether you want the glass area to look plain or divided, and which lines best suit the building. A sketch of your preferred layout or the exact glazing-bar pattern name helps us understand your design intention clearly.

What information helps assess the intended opening?

Record the measured opening dimensions and add notes about connections, reveals and adjoining building elements. Photographs or a simple drawing can support the description where they clearly and accurately show the actual situation.

Is the window CE marked, and how long is the guarantee?

Yes, this single-sash outward-opening side-hung window is CE marked. It has a 5-year guarantee. Keep the documentation for your particular order so the selected version and its associated details can be clearly identified later.

Prepare your window enquiry

Planning a single-sash outward-opening side-hung window for your project? Send the intended dimensions and your preferences for timber, aluminium cladding, colour, handle, glazing and glazing-bar pattern. Add a labelled sketch or clear photographs of the opening if useful. This gives us a sound basis for considering the custom-made version you want and discussing any outstanding points in your window enquiry.

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10 year warranty
Bloomcabin takes pride in its high-quality products and maintains these standards every day through a range of manufacturing and quality-control processes. This is backed by a 20-year warranty covering wood rot in timber structures and a 10-year warranty covering functional defects.
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