Double-sash outward-opening casement window

Two-sash layout for outward opening

Outward-opening casement with two sashes

Specify this made-to-measure window in pine or oak, either exposed or aluminium clad. The order can also define its colour, operating handle, glazing build and listed bar arrangement.

Opening type

Casement sash opening outwards

Material

Oak or pine, with clad forms offered for either

Glazing

Heat-reflective insulating glazing incorporating argon gas and warm-edge technology

Marking

CE marked

01

Everyday operation and handling

This unit brings two side-hung sashes together in one frame, with both moving outwards. Their arcs therefore stay beyond the interior face of the window, leaving the space directly inside undisturbed. That can be useful where the area beside the opening is deliberately kept uncluttered. Operation should still be assessed for the particular room. The user's height, reach to the handle, frequency of use and position of nearby furnishings or fittings can influence whether the arrangement feels comfortable and straightforward.

Handle choice affects touch, operation and appearance. You may prefer a restrained detail that settles into the surrounding finishes or a contrasting feature that stands out. The window's technical hardware is identified as SPILKA or IPA; this is distinct from selecting the visible handle and does not promise a choice of hardware brand. Include the desired form, texture and look when you describe the project.

Identify the main user and the circumstances in which the sashes will usually be operated. Frequent use may place greater importance on reach and an easily understood handle. For a room entered only occasionally, appearance may carry more weight. Such questions do not change the product construction; they simply help align the selectable details with everyday life in the home.

Use the handle and sashes with care and without unnecessary pressure. If the movement changes, obtain a knowledgeable assessment. The maintenance method should be suitable for the precise wood surface or aluminium-clad finish ordered. Before applying a care product or carrying out work, confirm its suitability for the finish and circumstances of the installed window.

02

Frame construction, component sizes and specifications

The product is a two-sash casement whose leaves move outwards. It is offered in plain pine, aluminium-clad pine, plain oak and aluminium-clad oak. Fixing holes are specified at 14 mm in diameter. That measurement relates to a construction feature, so installation planning should consider it alongside the building fabric, substrate and proposed connection.

For the fixed outer frame, the stated timber section is 105 x 57 mm and the aluminium-clad section is 115 x 57 mm. The sash section is 76 x 65 mm in timber and 86 x 65 mm in clad form. Each value belongs to the component named. It is neither a complete-unit dimension nor an ordering size, and the intended building opening must still be checked.

The two glazing constructions contain either 2 panes or 3 panes. Each has argon filling, a CHR warm edge and heat-reflective treatment. Sealing around the glass is black rubber, which introduces a dark detail to the material scheme. Its apparent visibility, however, will not be identical from all viewing positions.

A 5-year commercial guarantee is provided for this CE-marked window. Project records should identify its measurements, material configuration, glazing, bars, finish colour and handle. A complete schedule keeps the product's technical details clear alongside the selected design features.

05

Assessing the intended opening properly

Survey the opening properly before establishing bespoke dimensions. Check more than one point to identify irregularities, and remember that the visible surface may not reveal the real junction. Manufacturing measurements need to come from a technically suitable assessment of the building. A drawing and photographs can supplement the figures, but neither can replace accurate measurement on site.

Because both sashes move towards the exterior, adequate clearance is required outside. Check reveals, railings, external shading, plants, fittings on nearby elements and any other possible obstruction. The installed position should also allow practical access for later operation, maintenance and cleaning. These points depend on the conditions at the particular property and cannot be resolved from the product description alone.

Outward movement does not make the interior irrelevant: sill depth, wall linings and handle placement may still influence use. The frame connection also needs to suit the materials around it. Masonry, wood construction, façade coverings and retained frame pieces can each demand different detailing. Made-to-measure manufacture determines the unit size, while installation and junction design remain project-specific tasks.

For grouped windows, note the visible lines and common reference heights across the elevation. Coordination is possible only when the location of each bar, frame edge and adjoining opening is recorded. Overall photographs are valuable during replacement design, while architectural drawings can communicate the intended arrangement in new construction.

Where dimensions or parts of the surrounding construction remain uncertain, have a suitably qualified person examine the structure and proposed opening. You can then send us verified measurements together with the important constraints. Explaining the proposed junction, available clearance and opening conditions precisely helps place the subsequent choices of timber, glazing and visual detailing on a reliable project footing.

06

Coordinating timber, finish and colour

The window may be specified in oak or pine, with a clad form offered for each wood. Uncovered timber foregrounds its natural material character; aluminium adds a further surface to the composition. Decide which treatment best connects the interior, exterior elevation and neighbouring building finishes.

The finish colour may quietly integrate the window, repeat a tone elsewhere on the property or make it conspicuous. A small swatch does not show the full context. Review it beside roofing, wall materials, doors, visible metal details and the atmosphere of the room. Woodwork already present may provide an additional guide.

Assess colour, frame material and the bar pattern as one composition. A quiet finish may soften a densely divided pane, while a strong colour difference can emphasise a simple bar-free arrangement. These are possible visual effects rather than assured results. Lighting, surroundings and viewing range all influence the way proportions, surfaces and colour changes are perceived.

Handle design forms another visible detail and can respond to existing fittings in the building. Let us know if you prefer an understated match or an intentional visual accent.

When weighing oak against pine, or exposed timber against a clad finish, list your priorities. Should the timber define the interior? Is a particular exterior material relationship important? Do several windows need a shared appearance? Answering these questions makes the selection easier to explain. Bloomcabin can then consider timber, colour, bars and handle as one brief rather than as disconnected choices.

07

Comparing related product types purposefully

Begin a product comparison by deciding what the opening must achieve within the building. Consider sash count, opening direction, movement mechanism and whether the composition needs fixed glazing. Location matters as well: a wall window, rooflight and terrace door each serves a different purpose. Identify the appropriate product type first, then examine its available timber, glazing and design choices.

Each outward-swinging combination casement pairs one fixed glazed area with one operable sash. Both product versions offer pine or oak together with 2-pane or 3-pane insulating glazing. Aluminium-facing can be specified over either timber on the regular combination model; the historic-style model is supplied as pine or oak without that listed clad option. Both provide bar patterns for coordinating the opening portion with the fixed glass.

The roof-window alternative pivots and combines a pine frame with aluminium cladding. Its operating handle sits low, and its 2-pane insulating glazing contains argon and has a heat-reflective coating. Vertical-axis reversible windows are available with one sash or two; they open outwards and offer oak, pine and clad forms of each. The inward-moving single-sash option also tilts and incorporates Roto Frank fittings.

Where an external doorway is needed, consider either of the one-leaf terrace-door designs, both opening out. Their specification includes ASSA and SPILKA fittings and a 3-point lock, while glazing and panel configurations vary. Pine and oak, including clad forms, are listed for the standard design. The historic version comes in pine or oak, with several infill and bar patterns available.

Compare alternatives in stages: first determine where the unit will sit, what broad form it should take and which way it must open. Afterwards, choose between single or paired sashes, fixed glazing, tilt capability and door access. Review timber choices, glass builds and bar arrangements only when those needs are clear. The result is a balanced assessment of use, architecture and looks. Further relevant windows and doors appear below. Combination casement window opening outwards, Historic-style combination casement designed to open outwards, Roof window with pivot action, Single-sash reversible window rotating vertically and opening outwards, Two-sash reversible window rotating vertically and opening outwards, Single-sash window designed to open inwards, Single-leaf terrace door opening outwards, Historic-style single-leaf terrace door opening outwards.

08

Preparing your enquiry step by step

Begin the enquiry with a focused summary. Identify new construction, remodelling or replacement, then explain the room, the external setting and how the window should contribute visually. Clear context in a short brief is more valuable than numerous disconnected requests.

Collect accurate dimensions, then provide photos, elevation images or a basic drawing of the surrounding fabric. Label information that has been checked professionally and distinguish it from details still at the planning stage. Doing so keeps confirmed constraints apart from pending choices and avoids treating provisional ideas as facts.

Choose the basic construction from oak, pine or a clad version of either. State the preferred colour together with the building elements it should relate to. An overall image is helpful when coordinating several units because it shows repeated lines and shared material themes.

Afterwards, identify the preferred glazing option and named bar design. Writing out the design name in full makes the direction of its divisions unambiguous. Add handle requirements independently, or simply state the intended look if no specific handle version has yet been selected.

Finally, consider whether the decisions form a coherent proposal. Does the subdivision suit the façade? Have the internal and external material effects both been considered? Do the handle and colour belong to the same composition? Have unusual building constraints been identified? If certain items still require discussion, rank them and distinguish essential requirements from flexible preferences. This organised brief allows us to understand the enquiry efficiently and focus any further discussion on unresolved details.

Is bespoke sizing offered for this window?

Yes. Bespoke dimensions are available. Include accurate measurements and describe how the unit will meet the surrounding structure. Where the fabric or junction has not been established, ask an experienced professional to inspect the location before purchase. The order size can then respond to the real opening.

Can the finish colour be chosen?

Yes. Colour is one of the available selections. Consider it alongside the timber, any aluminium cladding, the façade, the room and existing building finishes. Describe as precisely as possible how you want the interior and exterior palettes to relate.

Is a choice of handle offered?

Yes. The visible operating handle can be selected with appearance and comfortable use in mind. SPILKA and IPA are stated as hardware specifications; those brand references do not promise that the customer may select freely between the two fitting manufacturers.

How long does the window guarantee remain valid?

A 5-year commercial guarantee applies to the window. Keep the relevant guarantee information and order records showing the unit’s dimensions, material version, glazing specification, chosen bar layout, selected colour and operating handle.

Why choose aluminium cladding?

Cladding can be specified over pine or oak. Besides changing the material seen externally, it changes the listed section sizes for the relevant frame components. Consider whether that version complements the exterior finish, planned colours and junctions with neighbouring materials.

How do I find a suitable glazing-bar design?

Base the decision on proportion, architectural setting and the kind of subdivision required. Fewer divisions can complement a quietly composed façade, whereas a closer pattern may relate better to neighbouring small-pane joinery. Evaluate the design within the complete building elevation rather than judging the window as a stand-alone object.

How should future cleaning be planned?

Plan cleaning before installation because both sashes travel outside. Establish a safe way to reach the exterior glass, taking account of floor level, height and nearby construction. Where access will be awkward, develop an appropriate method for reaching and cleaning the window.

Which details make an enquiry more useful?

Include reliable dimensions, photos or sketches and an outline of the project. Set out your choices for wood species, aluminium facing, finish, handle, glass construction and glazing bars, and identify any nearby fabric or architectural conditions to be considered.

Plan your window project with us

For an individually sized window, provide the proposed measurements and your choices of timber, glazing, bars, colour and handle. We will look at how the elements work together and assist with unresolved appearance decisions prior to purchase.