W5m x D3m / W16' x D10'
Severn INSULATED Log Cabin

(Sizes shown are approximate & full sizes are shown in the product Specification)

We never compromise on quality which is why the insulation that we use in our Warmalog cabins is of the highest specification. It’s called polyurethane and it is one of the best insulators available, it’s so effective that even NASA has used it to insulate the external fuel tanks of their space shuttles!

Polyurethane is a great material because not only is it lightweight and versatile, its high thermal conductivity makes it sought after. Competitors insulation might be cheaper, but they may use Rockwool or polystyrene, which are inferior materials. Polyurethane is said to be 50% more efficient than Polystyrene and up to 100% more efficient that Rockwool.

It’s not just the walls that are insulated in a Warmalog cabin! We also provide the same kind of insulation for the roof (60mm thick) and for the floor (50mm thick). As well as this coverage, the Warmalog cabin comes with 24mm thick double glazing as standard.

All of this heat-retaining technology ensures that any Warmalog cabin can achieve a U-value of 0.59. The U-value assesses the rate of heat loss / gain through all the thicknesses of the combined elements that make up a building component such as a wall, floor or roof. Simply put the higher the U-Value the worse the product performs. Our Warmalogs U-Value of 0.59 is considered to be very low, meaning you’ll save a fortune on heating bills compared to Polystyrene or Rockwool insulated cabins!

The 4mm toughened glass that’s used to make up the double glazing in our windows and doors of our Warmalog cabins for increased security and resilience. It's much better than the 3mm ‘Shed-Spec’ horticultural glass which is commonly found in our competitors garden buildings.  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 our 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, razor-sharp shards. So confident on the superior quality we tested it against the other types of glass commonly found on the market and, of course, it came out on top!

This Warmalog cabin comes complete with 24mm sealed window units for increased insulation and noise-reduction. This is a single, ready-to-install unit comprising of two sheets of 4mm toughened glass with a 16mm aluminium 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. 

Unlike our competitors, we only use high-quality spruce timber in our garden log cabins rather than cheap pine or mixed timber. Why do we use slow grown spruce rather than the much cheaper knotty pine alternatives?

Spruce is considered more stable as it expands and contracts less than pine. This stability means that the spruce walls of our garden buildings minimise gaps appearing as the timber changes along with the weather.  We responsibly source all our timber, where it grows slowly in the cold northern regions. We all know the old adage of counting the rings to see how old a tree is, well our timber grows slower, and takes longer to get to size meaning it has more rings in it. This means it has a tighter grain, and each ring helps prevent cracks and shakes appearing in the densely packed timber.

Our garden buildings really are built to last therefore we use only the highest quality, slow-grown spruce.  Spruce is much more resilient to warps and splits compared to its cheaper alternative pine. Being a whitewood, it doesn’t discolour anywhere near as much as pine so it is also much more aesthetically pleasing for a log cabin. Considered more stable, less knotty and resinous than pine, spruce will also produce a lot less sap. It is also less dense meaning it is not as susceptible to mould and rot.

Many manufacturers use a mix of timber saving them money. They will buy the lowest cost timber and then mix these up during production, often using finger joints. Ending up with a cabin, where the walls are a mix of pine (redwood) and spruce (whitewood). Not only does the log cabin then look comical, with stripy walls of different timbers, but this just shows a lack of pride about the finished product. 

Our expertly joined windows come with stainless steel friction stays, typically found on the uPVC windows in your home. This eliminates the needs for the typically found stay arm openers, commonly used on log cabins.

We’ve all, at some point in our lives, left the window open and it suddenly starts to rain. Usually, this would be an issue for normal window hinges. However, there’s no need to panic about rusty hinges with our domestic stainless-steel hinges.