Dunster House Ltd.
Incorporated. 1994
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    fully insulated
    The Warmalog is fully insulated, promoting heat retention and saving you money on your heating bills. We always supply Polyurethane insulation, a superior insulator than Rockwool or Polystyrene. We use 30mm thick Polyurethane insulation, sealing off the building from elements to help save energy. The Warmalog achieves a low 'U' value of 0.59, which shows it has great insulation efficiency.
    avoid planning permission
    The Rhine Warmalog is less than 2.5m high and therefore exempt from UK planning conditions and permitted development, even if it is close to the boundary of the property. This frees you from legal restrictions and allows you more freedom to choose your ideal site. You can now consider more personal factors such as the amount of direct sunlight it’ll receive, how easy it is to access and its aesthetic appeal. If you want to find out more about permitted development rights see our planning guide.
    toughened glass
    We use 4mm toughened glass in our windows and doors for increased safety and security. It is much more difficult to scratch or bend than the plastic alternatives, such as Styrene, Acrylic and Perspex, so it'll preserve the clear view of your garden. The tempering process makes toughened glass far stronger than the alternatives, and harder to break than normal glass. In addition, if it does happen to break, it will shatter into many small pieces, rather than scattering dangerous shards.
    24mm double glazing
    The Warmalog comes complete with 24mm sealed window units for increased insulation. This is a single, ready-to-install unit comprising of two sheets of 4mm toughened glass with a 16mm spacer, which allows for optimum convection current between the glass, ensuring condensation-free windows. They are made in our own factory and fully conform to European Standard EN1279, unlike most of our competitors. Properly Insulated windows help to make you make the most of your building throughout the year, and also offer better sound dampening than single glazing.
    slow-grown spruce
    We use slow grown spruce timber, which is far superior to the commonly used Pine. Spruce is less porous and so less likely to shrink, warp or split and is less susceptible to blue mould. It has fewer knots than pine and is also less resinous, which makes the possibility of sap ruining your clothes or furnishings much less likely. Slowly grown Spruce from colder climates have more densely-packed growth rings and therefore have far greater strength and durability than Pine or “mixed softwoods”, which age and weather more noticeably, leading to a striped effect on your cabin.
    pressure treated bearers
    The Rhine Warmalog features pressure treated floor bearers. These are the parts of the cabin most at risk from damp conditions, so it's essential that they are well-protected! A high-pressure chamber is used to drive protective chemicals deep into the pre-cut lengths of timber, providing pre-prepared long-lasting protection. We guarantee that the pressure treated timber will remain free from rot and insect infestation for up to 10 years!
    10 year guarantee
    All of our Pressure Treated Timber comes with a genuine 10-year Guarantee against rot and insect infestation. Other companies often claim they also offer a '10-year Guarantee' on their timber, however, you will likely find that their timber is simply dip treated. If the timber is only dip treated then you would have to buy and apply treatment to your cabin every single year in order to maintain their worthless 'guarantee'. And this is virtually impossible for the floor bearers under your cabin, the most vulnerable part! With Dunster House, you can rest assured that we have it more than just covered.
    tall walkthrough height
    The Rhine Warmalog extra tall doors have a walkthrough height of 1.82m (5’11’’) to allow you to move awkward objects or furniture in and out of your new cabin with ease, welcome in more light, and to minimise the chance of bumping your head.
    avoid sagging roof
    The Rhine Warmalog features heavy duty 140mm or 210mm by 45 mm wide supporting roof beams prevent dangerous and unsightly sagging. Just like every other part of your cabin, this important part of the structure will never be glued or screwed together offcuts. We only use single pieces of timber for our purlins to provide you with a strong and stable roof.
    4-point locking system
    Windows and doors are at the heart of your Wamalog’s security, and we design ours to ensure that only welcome visitors can enter your building. We feature as standard, a secure four-point locking system, including: hook, locking latch and two roller cams. We combine this with a 6 pin Euro cylinder, the same type of lock cylinder you would find on the front door of a typical house. Why should your log cabin be any less secure than your home?
    Adjustable hinges and friction stays
    The Rhine Warmalog windows are made with stainless steel friction stay hinges. These aid in keeping the window open in your desired position and removes the need for a stay arm as per traditional timber windows. We also include heavy duty easy-adjust hinges for our doors which allow you to make minor changes if ever required. 
    storm braces
    To control natural expansion and contraction in the timber, the Warmalog features steel straps on the inside and outside of the cabin known as storm braces, Secured by screws and bolts, these braces are adjusted to spread the timber's natural movement equally across a much larger area, thus avoiding the worst effects of localised expansion and contraction within the wood. 

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Collection: Monday – Friday (9:00 – 17:00)
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Get the most out of your Log Cabin by using it all year round. Our all-new combination of insulation materials in the walls, floor and roof make it easy to keep the temperature just the way you want, whenever you want!

You must have a solid concrete base that is square and level to successfully build this insulated log cabin.  For the Rhine Warmalog this base should measure 4.0m x 3.2m. The only extra items needed are a superior quality light coloured 'Barn' paint to seal the outside, and a silicone sealant for the joints after decorating. These are available from your local decorator supply store.

Insulated Warmalog cabin walls are comprised of logs with a triple Tongue and Groove 62mm sandwich of timber and polyurethane. This provides better thermal characteristics than any comparable solid wall log competitor while retaining an affordable price. Yet another amazing innovation from Dunster House!

Not only the walls of the Warmalog Cabins are insulated. The floor has a 50mm insulated structure and the 60mm roof is similarly insulated. The Double-Glazed windows are 24mm thick including 2 panes of 4mm toughened glass. These and other thermal design features produce a U value of 0.59 for the Warmalog cabin. Thus, you can be sure that your cabin will retain its temperature in the cooler months as well as the warmer months.

This high-quality timber building can be adapted to a number of functions, including home office, music room, a gym or even a bar. Whether you need the space for your business or as a fitness studio or any other special purpose, you can be sure that the passing of the seasons is not going to restrict your use of your special space. Sturdy and secure, Warmalog cabins feature a Multi-Point Espagnolette locking system and special domestic hinges on its extra wide-opening French Doors, as well as large windows. Pressure treated bearers keep the damp from the base of the cabin, and up above, long hefty Purlins support the roof.

The Warmalog is easy for you to assemble and enjoy year-round!


Ideal for a Home Office, Play Room, Man Cave, Gym, Summer House. Beauty Parlour, Kids Playroom, Therapy Room, Music Room, Teenage Den, Workshop, Pool House, Home Cinema, Art and Painting Studio, or just fit it out with a bar and fridge with some chairs and tables for pleasant relaxing times with your friends and family. The uses are limitless!

Delivery Online Tracking

We deliver our garden buildings to mainland United Kingdom (England, Wales and Scotland). Some exceptions apply; these are illustrated on the map below.

Scottish areas may be subjected to slightly longer delivery turnarounds, please contact us for details. FREE delivery on selected products over £199 to mainland England and Wales.
*Excludes rabbit products which are subject to a delivery charge.

Delivery Price

Green - £19.99 delivery fee on all orders under £200.
Yellow - £59.99 delivery fee.
Orange - £84.99 delivery fee.
Red - We do not deliver to these areas.

Assisted Delivery

If you cannot provide an able bodied person to offload the vehicle with the help of our driver, we can provide additional manpower with our Assisted Delivery Service. The driver will arrive with some help to unload the lorry, meaning that you can put your feet up.

We offer this service on all items that are delivered, we do not offer this on our couriered products. Prices for this service can be found on individual products.

Should you require further information on our standard or assisted delivery services, please contact a member of our Sales Team.

Scottish areas may be subjected to slightly longer delivery turnarounds, please contact us for details.

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