Specifications for garden room range


Standard specifications for garden rooms, workshops & garages

All buildings including the doors are manufactured in our workshops at Lushington. All timber sizes are nominal, before machining

All timber used is a 5ths grade joinery Scandinavian Redwood which is planned all around and Double Vac Pressure Treated. Prior to delivery, all external timber surfaces are primed with a Sovereign or Dulux base coat timber preservative. All buildings are sectional and can be supplied in almost any size up to 320 square ft. (30 square metres). The standard minimum internal height is 6'8'' (before internal lining). The roof can be pitched at 5°, 8°, 15° or 22½°.

Standard Sizes (Alternative Sizes are Available)

  • 6’ X 6’, 6’ X 7’, 6’ X 8’, 6’ X 9’, 6’ X 10’, 6’ X 11’, 6’ X 12’, 6’ X 13’, 6’ X 14’, 6’ X 15’, 6’ X 16’, 6’ X 18’, 6’ X 20’.
  • 7’ X 6’, 7’ X 7’, 7’ X 8’, 7’ X 9’, 7’ X 10’, 7’ X 11’, 7’ X 12’, 7’ X 13’, 7’ X 14’, 7’ X 15’, 7’ X 16’, 7’ X 18’, 7’ X 20’.
  • 8’ X 6’, 8’ X 7’, 8’ X 8’, 8’ X 9’, 8’ X 10’, 8’ X 11’, 8’ X 12’, 8’ X 13’, 8’ X 14’, 8’ X 15’, 8’ X 16’, 8’ X 18’, 8’ X 20’.
  • 9’ X 6’, 9’ X 7’, 9’ X 8’, 9’ X 9’, 9’ X 10’, 9’ X 12’, 9’ X 14’, 9’ X 16’, 9’ X 18’, 9’ X 20’, 9’ X 22’, 9’ X 24’, 9’ X 26’,
    9’ X 28’, 9’ X 30’.
  • 10’ X 6’, 10’ X 7’, 10’ X 8’, 10’ X 9’, 10’ X 10’, 10’ X 12’, 10’ X 14’, 10’ X 16’, 10’ X 18’, 10’ X 20’, 10’ X 22’,
    10’ X 24’, 10’ X 26’, 10’ X 30’.
  • 12’ X 6’, 12’ X 7’, 12’ X 8’, 12’ X 9’, 12’ X 10’, 12’ X 12’, 12’ X 14’, 12’ X 16’, 12’ X 18’, 12’ X 20’, 12’ X 22’,
    12’ X 24’, 12’ X 26’, 12’ X 27’.
  • 14’ X 6’, 14’ X 7’, 14’ X 8’, 14’ X 9’, 14’ X 10’, 14’ X 11’, 14’ X 12’, 14’ X 13’, 14’ X 14’, 14’ X 16’, 14’ X 18’,
    14’ X 20’, 14’ X 22’.
  • 16’ X 7’, 16’ X 8’, 16’ X 9’, 16’ X 10’, 16’ X 11’, 16’ X 12’, 16’ X 13’, 16’ X 14’, 16’ X 15’, 16’ X 16’, 16’ X 17’,
    16’ X 18’, 16’ X 19’, 16’ X 20’.
  • 18’ X 7’, 18’ X 8’, 18’ X 9’, 18’ X 10’, 18’ X 11’, 18’ X 12’, 18’ X 13’, 18’ X 14’, 18’ X 15’, 18’ X 16’, 18’ X 17’.
  • 20’ X 7’, 20’ X 8’, 20’ X 9’, 20’ X 10’, 20’ X 11’, 20’ X 12’, 20’ X 13’, 20’ X 14’, 20’ X 15’, 20’ X 16’.

All sections can be manufactured to enable through house access (only if requested). Door and windows can be located to suit your requirements.

External Cladding

1'' X 5'' (25 X 125mm) tongue and grooved shiplap boards including a ?'' offset interlocking joint, our own unique design for a better weather seal.
As an alternative any Garden Room can be externally cladded with a 1'' X 5'' tongue and grooved Log Board which also has a similar offset interlocking joint, our own unique design for a better weather seal.

Internal Framing

3'' X 2'' (75 X 50mm) with rounded corners, located at a maximum of 18'' spacing's and diagonally cross-braced at the corners.

Internal Membrane

A white or green-foiled back membrane is located between the external cladding and framework to minimize any damp penetration - BS approved.

Heavy Duty Timber Floor

1'' Thick - 1'' X 6'' tongue and grooved floor boards secured to 3'' X 2'' floor joists, located at approximately 12'' spacing's.

Roof

¾'' X 5'' tongue and grooved 'V' boards including a ½'' offset interlocking joint (our own unique design), secured to 3'' X 2'' roof joists and supported by 'A' frame trusses, located at a maximum span of 8ft. The size of the roof joists may vary between 3'' X 2'', 4'' X 2'', 6'' X 2'' & 9'' X 2'' depending on the roof design, pitch and span where roof trusses may not be used. The roof is covered as standard with a Polyester non-tear green mineral felt, which carries a manufacturer's 10-year guarantee. The gable ends of the roof are finished with 9’’ wide double plain or scalloped routered fascia’s and decorative post finials. The roof eaves of the building are finished with gutter boards to enable guttering to be fitted if requested.

Security Doors

3ft wide (single door), up to 5ft wide (double doors) by up to 6'6'' high. The doors are framed, ledged and braced and mortised and tenoned jointed. The doors are manufactured from Hemlock and externally tongue and grooved 'V' board cladded. The doors are hung on brushed chrome or stainless brass concealed butt hinges and fitted with a five-lever mortise lock with matching, handles, tower bolts (double doors only) and cabin hooks. Glazed doors are fitted with 4mm toughened safety glass secured with a quadrant glazing beading. Weather drip sills are fitted to the top of each door.

Garage Doors

4ft wide (single door) and up to 8ft wide (double doors) by up to 6'6'' high. The doors are framed, ledged and braced and externally tongue and grooved cladded with 1'' thick shiplap. The doors are hung on 18’’ hooks and bands (heavy duty hinges), which are secured with nuts and bolts for additional security. The doors are fitted with a galvanized pad bolt, internal monkey tail bolts (double doors only) and external cabin hooks. Weather drip sills are fitted to the top of each door.      

House Quality Single & Double Glazed Single Doors, French Doors & Patio Doors

2'9'' wide (single door), 3'10'' wide (French Doors) and up to 10' wide (Patio Doors) by up to 6'6'' high. The doors are  mortised and tenoned jointed and manufactured from Hemlock. The doors are hung on brushed chrome or stainless brass concealed butt hinges in a purpose made outer weather stripped frame and fitted a five lever mortise lock with matching, handles, shute bolts (where required) and cabin hooks. Any single glazed door is fitted with 4mm toughened safety glass secured with a quadrant glazing beading. Any double glazed door is fitted with 20mm double glazed units made from 'Low E' toughened safety glass and argon filled. Weather drip sills are fitted to the top of each door.

Purpose Made House Quality Single & Double Glazed Windows

Pre-treated weather stripped window frames to various designs and sizes. All window frames are fitted with trickle vents and brass coloured iron mongery. Any single glazed window is fitted with 4mm toughened safety glass secured with a quadrant glazing beading. Any double glazed window is fitted with 24mm double glazed units made from 'Low E' toughened safety glass. Weather drip sills are fitted to the top of each window.
       
All Buildings Designed and Manufactured by Lushington Garden Buildings Ltd  (MARCH 2012)

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