TIMBER FRAME BUILDING There is a great deal of confusion concerning this modern method of construction and in many instances, Wooden Houses, Log Cabins and Garden Buildings are mistaken for Timber Frame - they are not.
WHAT IS TIMBER FRAME? Timber Frame Construction is exactly what it implies. It is the "bones" of a building. Just like the human skeleton, it is extremely strong and supports everything inside it and has an outside skin, usually brick, stone or render. The timber frame is an engineered solution and replaces the almost redundant internal load-bearing block wall.
HOW DO YOU KNOW IF A BUILDING IS TIMBER FRAME? The short answer is "You don't". Timber Frame buildings look exactly like any other except that they have many, many more advantages over old traditional methods of construction. (Benefits are explained later). Timber Frame can be anything from a small home extension to a 7 floor high block of apartments or a school building to a 300-bedroom hotel. In fact ANY building can be constructed using this technology.
ARE THE HOUSES ALL STANDARD DESIGNS? No, none of them are, except the Hybrid range, (and we will alter them to suit our clients needs!) each property is bespoke and designed to the client's own specifications. On receipt of planning drawings we then undertake engineering calculations, and each individual project is re-designed taking into account many different factors including site location, wind speeds over a long period, snow-loadings, building heights, elevations and geographic information and so forth. Using these complicated formulae we then produce drawings for manufacture and site erecting, which is all part of the service we provide.
The Groundwork consists of excavating drain runs, service trenches and foundations. Next the drains/services are laid but not connected. Next, strip foundation is concreted and the Bricklayer will bring the load-bearing brick/block walls to DPC. All is then backfilled, and the site levelled.
Once the slab is complete and an allowance has been made for the services/utilities in and out, the timber frame is erected by ATFMMC. This consists of External Walls, Internal Walls, 1st floor joists and decking, plus roof trusses.
Next we call for the roofer to complete the roof-scape.
Then the External doors and the windows go in, we now have a sealed envelope, so internal works can commence, irrespective of what may be happening outside (bad weather - lack of bricks, Building Inspector can't make it, or whatever reason)
On completion of this stage, the Electrician & Plumber are called in to 1st Fix. This means all the pipe work and cables which will carry power and water are run through eco-joists and into the stud wall voids. Nothing is connected at this stage.
Immediately the joiner moves in to 1st fix Stairs, Door Frames, and Window Linings. May install floating floor on Slab. External Fascias & Soffits.
Once complete, the plasterer moves in to insulate between the studs and joists. He then boards the ceilings and walls internally and skims the boards or prepares for a dry-line finish, which accepts a paint coat.
The Bricklayer by this time will have commenced on the outside skin, or if this is to be rendered, the Plasterer moves from inside on completion of the plastering, to commence render on exterior.
Joiner returns to final fix doors, skirts and architraves, along with the Tiler. The Kitchen Fitter will appear at this stage.
Electrician returns to do final fix - lights and power sockets, wire up any machinery make connections.
Plumber returns to do final fix - install and connect all White ware, Heating, Soils & Wastes. Makes mains connections.
On completion of the above, the Painters start. Any externals quoted for e.g. Paths, Fences, Landscaping. Last is snagging and final inspections, prior to handover.
All timber used by our company MUST be of a recognized type and origin. It also must pass certain test rules and treatments:
There are basically two types of preservatives used in our industry known simply as "In Ground" or "Above Ground". In both cases the timber should go through a Vac-Vac treatment and this is what happens:
In Ground Applications: A copper base is used in preserving fluids for in ground external applications. Alkaline copper quaternary systems have been in use over 10 years now all over the world, very successfully on Fencing, Timber Decking, Landscaping and Playground Equipment.
Above Ground:) A borate base is used mainly, and protects against: Wood boring Insect and Fungal Decay. Is used on both internal and weather protected external timbers above ground.
Note: CAA (chromate copper arsenate) is now illegal in most countries because of its carcinogenic implications. All formulations which have replaced CAA MUST meet full European Standards BS8417
Attack Resistant to:
After treatment ALL timbers must be kiln-dried (KDAT) to a maximum moisture content of:
Typical Timbers to be used:
Standard: Known as AWPA - C9 Plywood - C31 Above ground ooc (out of contact with) P5 Environmental compliance
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