Exterior Specifications

Most Desirable External Timber Cladding

Western Red Cedar External Timber Cladding

Over the past few decades Western Red Cedar has been one of most desirable external timber claddings due to its rich and variable colours, high resistance to decay, durability and natural preservatives. The rich warm brown, red and pink colours and texture of Western Red Cedar gives any building a touch of individuality and can be relied upon to give long and trouble free service under all conditions.

Typical life expectancy is 40 - 50 years.


Entirely Clad In Western Red Cedar

Classic Design

Our classic design buildings are entirely externally clad in Western Red Cedar tongue and groove timber with the addition of Western Red Cedar timber roof facias, wall corner trims and base profiles.

Oeco traditional timber framed garden buildings are fully insulated to Building Regulations and will be insulated to a higher standard than most houses!

Your new building will be suitable all year round use and not just for summer!

Western Red Cedar And Modern Composites

Contemporary Design

Our contemporary design buildings are also entirely externally clad in Western Red Cedar tongue and groove timber but with the addition of modern composite dark grey (anthracite) roof facias, wall corner trims and base profiles.

The colour coordinated anthracite composite materials perfectly match the anthracite profiles of the doors and windows and provide a more modern contemporary finish.

Breathing Technology

Garden room construction

Heavy Duty Solid Structural Timber Frames & Thermal Insulation Panels

All Oeco garden buildings are constructed using heavy duty solid structural timber frames that carry the load of the building. The structural framework is manufactured using C16 (British Standard) graded structural timber.

The framework is insulated using both Knauf and Kingspan thermal insulation panels. Knauf and Kingspan are the two leading insulation manufacturers.

However the insulation process does not stop at this point. For a truly habitable timber garden building it should be allowed to breath!

Roof constructed & Barrier wrapped

Insulated Waterproof Breathing Membrane & Double Vented Timber Walls

All our garden buildings are wrapped in an insulated waterproof breathing membrane. This breathing membrane acts like a one way valve and allows natural moisture to escape out of the building - but prevents moisture from entering the building.

In addition all our traditional timber framed garden buildings incorporate double vented timber walls. The first vent allows air to circulate between the outer timber cladding and the breathing membrane. The second vent allows air to circulate between the breathing membrane and the internal thermal insulation panels.

Any Shape Or Design

Timber Decking

To compliment your new garden building, you may like to consider some traditional timber or anthracite composite (dark grey) decking to the outside of your structure. Decking can be added to the front, sides or even both.

The specialist joiners are very experienced at installing decking and are capable of producing any shape or design you require. All decking includes a timber sub frame.

Blend Perfectly

Dark Grey (Antracite) Door & Windows

All our garden structures doors, fixed glass panels and windows are supplied with high quality dark grey (anthracite) PVC-U profiles. The anthracite door and window profiles blend perfectly with the natural tones of the beautiful Western Red Cedar timber.

In addition the dark grey profiles offer elegant sight lines together with high security features, incredible strength and thermal efficiency.

Beautiful Natural Clear Glass

Double Glazing & Security

All double glazing units are A rated tinted Planitherm argon gas filled double glazed units complete with super warm edge spacers.

Many glass manufacturers use a hard coating which leaves a dusty looking haze across the surface. Planiterm clear glass uses a different process which produces a excellent, energy efficient beautiful natural clear finish.

Each individual aluminium reinforced PVCu door and window is fitted with insurance approved locks.

A Popular Option

External Lighting

External lighting can be installed to any garden building. One option is to install downlights to the underneath of the projecting roof canopies found on our canopy and canopy corner designs. The recessed down lights are installed within the timber framework underneath the projecting roof section.

Another popular option is the external up down light which can be installed on any wall of the garden structure.

All lights are supplied in a brushed stainless steel finish and the wiring is concealed out of view within the structures walls.

Highly Insulated

External Roof Panels

145mm (5.7 inch) thick five layer roof section incorporating: External anthracite (dark grey) colour co-ordinated outer polyester treated skin, metal reinforced lining, Kingspan PIR rigid thermal insulation core, powder coated metal skin, plaster board and plaster skim.

The state of the art highly insulated interlocking roof panels span the single pitch, with a slight fall from front to back.

The roof edges are also clad with dark grey aluminium roof edge trims for waterproofing and aesthetics.

Ideal For Watering Flowers

Guttering, Downpipe and Water Butt

Black half round guttering and a down pipe to ground level is fitted to the rear of each structure.

An optional rainwater butt will enable you to collect rainwater straight from your garden buildings roof. The 100 litre rainwater butt comes complete water filter, connection kit, tap and water butt stand.

Our installation team will install and connect the water butt directly to the garden buildings guttering and downpipe. Natural rainwater contains no added chemicals and is therefore ideal for watering flowers and plants.

To Save You Expense And Inconvenience

Concrete Foundations

You do not need to provide a concrete base for our garden structures. To save you the expense and inconvenience, we use specially designed, concrete pile foundations combined with heavy duty galvanised steel legs and plates.

The steel legs can be adjusted which means we can install our garden structures onto either flat or slightly uneven surfaces.

Your garden building is slightly raised off the ground to allow a vented space underneath. This ensures that the structure will not be affected by rising damp.

If you have any specific questions or queries, please do not hesitate to Contact Us.

To Save You Expense And Inconvenience

U-Values & Thermal Efficiency

Put simply u-values measure the rate of heat loss through the external roof, walls and ground floor of a building thus indicating how well the building keeps heat in (during cold weather) and keeps heat out (during warm weather).

In both cold and warm climates good u-values are the most important measures to keep the inside of a garden building at a comfortable temperature; and the lower the u-value, the better.

The calculation of u-values is measured as the amount of heat lost through one square meter for every degree difference in temperature either side of the material. It is indicated in units of watts per meter squared per degree kelvin or w/m2K.

Under the latest revisions to the part L (England & Wales) building regulations, a maximum standard u-value is required for the thermal efficiency of a newly constructed building. To comply the u-values must be no higher than:

  1. Roof - Building Regulations Maximum = 0.20 W\m2k
  2. Floor - Building Regulations Maximum = 0.25 W\m2k
  3. Walls - Building Regulations Maximum = 0.30 W\m2k
  4. Glazing - Building Regulations Maximum = 0.20 W\m2k

All Oeco garden rooms, offices and studios are designed to exceed the u-values required under part L of the UK building regulations.

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