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Three Room Apex Log Cabin 500 - Double Glazed, Loft Area

Three Room Apex Log Cabin 500 - Double Glazed, Loft Area
Pictures 1 and 2 show the 14'x20' log cabin with optional felt tiles. Pictures 3, 4 and 5 show the layout of the 14'x20' cabin. The pictures show what may be achieved using coloured preservative.


These premium quality log cabins are approximately 14'x18', 14'x20' or 14'x21' (4.4x5.45m, 4.4x5.95m or 4.4x6.45m) overall and include 70mm thick wall logs. Features include built in partitions which divide the cabin into three separate rooms and a loft area with ladder. Other features include five opening windows with 24mm thick double glazing units and a choice of Georgian or contemporary glazing styles. Roof options include untearable roofing felt, felt tiles, genuine cedar shingles and granular steel roof tiles. Other options include additional windows, floor insulation and roof insulation. You can also replace standard single windows with double width for very little extra. The floor and roof are attractive and durable tongued and grooved boards. The main room features double hinged doors and three opening windows. One of the two smaller rooms is accessible from the main room and has a single hinged door and an opening window. The second of the two smaller rooms is accessible from outside the cabin. The loft area is above the two smaller rooms. Internal skirting boards and a stainless steel door threshold are also included. Detailed instructions are supplied for DIY self assembly. We offer fitting as a low cost option in many areas.

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  • All timber used in the construction of these log cabins originates from sustainable forests
  • Interlocking 70mm thick tongued and grooved wall logs
  • All logs double grooved for superior draughtproofing
  • Strong 18mm thick tongued and grooved roof boards
  • Heavy duty 28mm thick tongued and grooved floor boards
  • Pressure treated floor joists and foundation beams (lifetime preservative treatment)
  • Substantial 3"x2" floor joists and foundation beams, finished size 60x70mm
  • Substantial ex 5" roof purlins, finished size 120x70mm
  • Morticed and tenoned joinery door and window
  • Superior quality laminated timber doors and windows - less likely to twist or warp, more attractive than finger jointed timber
  • Double hinged doors 1.43m wide x 1.96m high (4'8" x 6'5") overall frame size excluding cover trims
  • Door head clearance approximately 1897mm high (6'3") including threshold
  • Clear opening width approximately 1309mm (4'4")
  • Single hinged door 0.84m wide x 1.96m high (2'9" x 6'5")
  • Fully boarded single hinged internal door 0.84m wide x 1.96m high (2'9" x 6'5")
  • Mortice lock with handles and keys
  • 1 front window included
  • 3 side windows included
  • Side hinged tilt and turn opening windows 0.77m wide x 0.99m high (2'6" x 3'3")
  • 1 loft opening window 0.53m wide x 0.53m high (1'9" x 1'9")
  • Doors and windows glazed with glass (no plastic, acrylic, styrene or perspex)
  • Optional Georgian glazing beads, which can be removed or left out if you prefer contemporary plain glazing
  • Double glazed doors and windows
  • Premium double glazed windows with 24mm thick double glazing units, 16mm air gaps, weatherstripped sash openings and profiled aluminium cills for durability
  • Decorative fascia boards
  • Stainless steel door threshold
  • Internal skirting boards
  • Chamferred top wall logs
  • Pre assembled gables
  • Metal storm bars
  • Front roof canopy projection approximately 1.0m (3'3")
  • Ridge height 3.71m (12'2")
  • Eaves height 2.85m (9'4")

4.4m x 5.45m log cabin

  • External cabin size 4.4m wide x 5.45m deep (14'5" x 17'11")
  • Main room approximate internal size 4.06m wide x 3.56m deep (13'4" x 11'8")
  • Second room approximate internal size 2.00m wide x 1.48m deep (6'7" x 4'10")
  • Third room approximate internal size 2.00m wide x 1.48m deep (6'7" x 4'10")
  • Loft area approximate internal size 4.06m wide x 1.48m deep (13'4" x 4'10")
  • Minimum base size 4.2m wide x 5.25m deep (13'9" x 17'3")

4.4m x 5.95m log cabin

  • External cabin size 4.4m wide x 5.95m deep (14'5" x 19'6")
  • Main room approximate internal size 4.06m wide x 4.06m deep (13'4" x 13'4")
  • Second room approximate internal size 2.00m wide x 1.48m deep (6'7" x 4'10")
  • Third room approximate internal size 2.00m wide x 1.48m deep (6'7" x 4'10")
  • Loft area approximate internal size 4.06m wide x 1.48m deep (13'4" x 4'10")
  • Minimum base size 4.2m wide x 5.75m deep (13'9" x 18'10")

4.4m x 6.45m log cabin

  • External cabin size 4.4m wide x 6.45m deep (14'5" x 21'2")
  • Main room approximate internal size 4.06m wide x 4.56m deep (13'4" x 14'11")
  • Second room approximate internal size 2.00m wide x 1.48m deep (6'7" x 4'10")
  • Third room approximate internal size 2.00m wide x 1.48m deep (6'7" x 4'10")
  • Loft area approximate internal size 4.06m wide x 1.48m deep (13'4" x 4'10")
  • Minimum base size 4.2m wide x 6.25m deep (13'9" x 20'6")

LOG CABINS - THE BENEFITS: Log cabins are popular for many reasons, especially as a comfortable garden room to sit and relax in but also as a workshop or heavy duty storage shed. On the outside cabins have a chunky look and feel. On the inside, with no internal framework, the clean lines look smarter than the inside of a traditional shed or summerhouse. In addition, the wall logs are thicker than the shiplap cladding used in traditional sheds and summerhouses, which provides better insulation. If you want the option of winter use we recommend floor and roof insulation. Insulation is difficult to fit retrospectively so it needs to be fitted with the cabin. We offer low price insulation packs complete with fixings and instructions. Where available, double glazing also improves the insulation especially if the cabin has a large glazed area. Another significant benefit of log cabins is that you get more wood for your money when compared with a traditional shed or summerhouse or garden office. With no prefabricated wall panels a log cabin requires less factory time.

NORDIC SPRUCE: This log cabin is manufactured from 100% Nordic Spruce, the best quality timber used in log cabin construction. Nordic Spruce is grown primarily in the well managed forests of Scandinavia, Siberia and the coldest parts of Northern Europe. The cold climate ensures slow growth. The growth rings are much closer together than trees grown in warmer climates. As a result the timber is heavy and durable with a dense grain pattern. These forests are expertly managed on a sustainable basis so Nordic Spruce is an enviromentally friendly choice.

NATURAL WOOD: First, high grade timber is dried in kilns until it reaches the optimum moisture content, then it is planed smooth and machined into tongued and grooved logs and boards. Next the logs are precisely machined at the ends to ensure a precise fit. Finally, each cabin is carefully packed and wrapped. When you unwrap it the wood is untreated. We recommend treating it only after the cabin has been successfully installed and ideally within a week or two. Treating the logs before fitting may cause the wood to swell up and the logs may not fit together correctly. If you are fitting your cabin in a restricted space where future access will be difficult you can stain the logs during installation by reaching down a few logs at a time as you fit them.

FULLY INTERLOCKING LOG CORNERS: These traditionally made log cabins feature interlocking corner logs. Each wall log is precisely machined and notched out to ensure a strong and weatherproof joint. The first log is laid at the bottom and the rest slot into each other, working upwards one log at a time. No screws or nails are required which makes installation easier and also allows for timber movement. The finished corner assembly is not only immensely strong but also weatherproof and draughtproof. If possible cabins with interlocking logs should be treated after assembly. Treating the logs on site before fitting requires considerable care. If swollen the precision milled joints may not slot together.

WEATHERPROOF DOUBLE GROOVED LOGS: Thinner wall logs feature a single tongue and groove but thicker logs feature a double tongue and groove. The double tongue and groove provides a stronger and more weatherproof joint.

CHAMFERRED TOP WALL LOGS: This high specification apex roof log cabin features a subtle quality feature. The top log in each side wall is chamferred to the same angle as the roof slope. This little detail provides much improved insulation and draughtproofing. It also provides a much neater internal appearance and the roof boards are easier to fix. This simple design feature eliminates an obvious cold spot. The benefits of this feature are magnified if roof insulation is specified.

HEAVY DUTY TONGUED AND GROOVED FLOOR: This cabin includes a heavy duty timber floor with tongued and grooved floor boards and substantial floor joists. Skirting boards are also included to ensure a neat internal finish. The floor joists and tongued and grooved boards are supplied loose for fast assembly on site. Unlike many log cabin floor kits, all timber is cut to size which saves time during installation. It also ensures that there are no visible joins in the finished floor. The floor is assembled quickly with no visible joints. With some cheaper cabins the boards must be cut to fit on site. This takes much longer and many of the joins are visible afterwards.

PRESSURE TREATED FLOOR JOISTS: The floor joists are the only timber in direct contact with the ground and they are pressure treated for durability. The joists are laid down on the base first and then the first wall logs are placed on top of the joists. The floor boards are often fitted at the end, after the cabin has been completed. This design ensures that the wall logs and the floor boards are not in contact with the ground. It also allows for ventilation and drainage below the floor and the walls. Pressure treatment is a lifetime preservative treatment. The preservative is forced into the timber under pressure in a vacuum and penetrates below the surface. All other treatments apply a coat of stain to the surface of the timber only. With pressure impregnated timber, the chemicals are permanently fixed in the wood. Tanalith E is the most popular preservative used so pressure treated wood is often described as tanalised.

METAL STORM BARS: Storm bars are an important quality feature. One obvious benefit is that storm bars help to protect your log cabin from wind damage. In addition, by clamping the logs together storm bars make the joints more weatherproof and reduce any bowing or twisting of the logs. The storm bars are fitted at each corner to hold the individual logs together tight. This counters the impact of strong winds. This feature is especially useful if the cabin has a large roof overhang which is exposed to the wind. Many log cabins do not include any storm bars at all and those that do normally include timber storm battens. These metal storm bars are much stronger and neater, being almost completely invisible. Substantial full height threaded steel rods are passed through every log at each corner and bolted at the top and bottom. The bottom of the rods are easily accessible after installation so they can be tightened or loosened as required to allow for any timber movement. It is only possible to fit threaded rods in cabins with thicker logs, because drilling holes in thinner logs reduces their structural integrity.

JOINERY DOORS & WINDOWS: These log cabins feature joinery made door leaves and window sashes with morticed and tenoned joints throughout. This traditional jointing process is commonly used in the housebuilding industry when timber windows and doors are specified. A rebate or mortice is cut out in one piece of wood which precisely matches a tongue or tenon cut in the other piece of wood. Morticed and tenoned joints are the strongest type of joint used in the construction of wooden windows and doors. High quality handles, locks and hinges are also included.

HIGH PERFORMANCE DOORS AND WINDOWS WITH WEATHERSTRIPS: Our high performance premium window and door frames feature weatherstrips to reduce draughts. Weatherstrips are rubber gaskets which are fitted to the door and window frames. The weatherstrips are fitted in the rebates between the fixed outer frames and the hinged parts i.e. the window sashes and door leaves. As the doors and windows are closed the weatherstrips are compressed to form a seal. Heat loss is significantly lower through windows and doors which are fitted with weatherstrips.

DOUBLE GLAZING: Our double glazed doors and windows ensure that your log cabin is warmer and cheaper to heat. We recommend double glazing if you want to use your cabin all year round. Double glazing also provides additional sound insulation. If you expect to use your cabin frequently and often for prolonged periods we also recommend floor and roof insulation. Insulation ensures a more comfortable environment on the hottest days in the summer and the coldest days in winter.

ALUMINIUM WINDOW CILLS: Our high performance premium windows feature profiled aluminium external cills for durability. The modern profile design also allows rainwater to drain away from within the window which prolongs the life of the window and the double glazed units.

STAINLESS STEEL DOOR THRESHOLD: A weatherproof stainless steel threshold is included to provide sustained access for heavy items such as ride on mowers and motorbikes. Without a metal threshold the wooden frame is vulnerable to wear and the elements. Over time a metal threshold will extend the effective lifespan of the door.

LAMINATED DOORS AND WINDOWS: Laminated wood is an engineered structural timber. Precisely machined small sections of wood are glued together under high pressure with strong waterproof adhesive. After extensive machining the finished piece of timber is barely distinguishable from real wood - it is real wood, but it is stronger and less likely to warp or twist. Doors and windows made with laminated timber are less prone to distortion. This is because one piece of wood can move erratically while many pieces of wood counteract each other. It is rare to find laminated doors and windows specified in a log cabin due to the high production cost. This is an important quality feature because in a log cabin the doors and windows are a vital component which is particularly exposed to the elements. Laminated timber is also kind to the environment because it uses offcuts and creates less waste.

NO FINGER JOINTS: Finger-jointed timber is widely used in log cabin construction. The principle of finger jointed timber is the same as laminated timber, with small pieces of wood joined together. However, finger jointed timber features jagged comb shaped joints which are clearly visible. In addition, the individual pieces of finger jointed wood are free to move independently from each other. Over time gaps may form at the finger joints as the individual pieces of wood separate. Laminated timber is much rarer in log cabin construction and superior in performance and appearance.

SIZES - DEPTH AND WIDTH: The sizes are listed alongside the price. The first dimension listed is the width and the second dimension is the depth. The width refers to the angled gable walls at the front and rear including the door wall. The depth refers to the side walls. The sizes listed are the external wall sizes. These sizes do not include the roof overhang. Many other suppliers quote the overall roof size which is much larger.

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