What you need to know about a log timber home

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When ordinary people take on the mammoth task of building a Log timber home there is a few things you need to remember. Apart from the drawings and legislation of municipalities that should be kept in mind.

Small things that will give your cladded log timber home or Timber house the final touches!  So, let’s touch briefly on some jargon and meanings thereof.


When you need the building to be wind/sound and rain proof,  you must ensure that the build in commodities like wooden windows frames and wooden door frames are well constructed and CCA pressure treated before you install them. 

We do not manufacture windows or doors, but we do manufacture flooring and cladding! See https:///www.sabiepoles.co.za

Let us start with the Wooden window frames

Wooden window frames look exceptional in your log timber home and is a very good choose when building a log timber home. Windows are built into a wall or roof to admit light or air.

What is a window frame? 

A window frame is defined as the framework that supports a window. This framework is a structure supporting or containing something.

Jamb is also used in your log timber home. It’s an upright consisting of a vertical side member of a door or window frame.

When you are building it’s always important to remember to buy adequately CCA pressure treated timber for your door and window frames.  At Sabie Poles we will gladly assist you with treated timber. 

The mouldings

Mouldings are the covering that covers the jambs and head of a log timber home window.

Window trim is made to cover gaps and also add decorative appeal. Often these designs group windows together and case them in wide trim. Victorian, Colonial, Provencal and English cottage styles are made for fluted trim and rosettes. The head casing, jambs and sill are often extended, with cornices for added style.

Widow trims should also be CCA pressure treated.

Wood Casing refers to the trim used around interior or exterior windows and doors. Wood Casing is designed to cover the unfinished gap between timber walls and/or wooden window frames.

Interior trim is the moulding or millwork used to frame windows, doors, walls, floors, even ceilings. It helps define the architectural style of a room. It’s also an inexpensive way to transform the look of a space.  At Sabie Poles we supply timber that can be use in the construction of the trimmings.  We also do moldings like floorboards and ceiling boards.

The trimmings in a log timber home completes the aesthetic value of your house.   Many houses are therefor designed with a window sill.  A wooden window sill is the bottom piece of trim, or the ledge at the bottom of the window.  These wooden window sills are a great place to stack your potted plants!

Make sure that the outside Wooden window sills are built from CCA pressure treated timber. Wooden window sills help keeping the window structurally sound and the elements out.

Because of their simple, straightforward design, log ranch homes work best with an equally simple interior window trim. Here, a picture-frame trim style works well.

5  Tips on installing a window trim

  1. Make sure that the timber is dry before starting to build your log timber home
  2. Fill gaps with wood filler strips, not caulk.
  3. Remove the pencil line with the saw blade; cutting right up to the line usually leaves pieces too long.
  4. Trim the biggest windows first so that you can use leftover wood and mis cuts on the smaller windows.
  5. Keep nails more than two inches from the ends, to prevent splitting

What is a door frame?

The frame of a doorway, including two jambs and a lintel, or head.

Parts of a timber door for your log timber home

Timber Door jambs are the interior sides of the doorframe. The word “jamb” comes from the French word jambe, which means “leg” – and door jambs are sometimes also called the “legs”. One source of confusion is the part of the frame above the door, which is sometimes erroneously referred to as the “top jamb”.

What is the use of doorframe?

It is the piece of wood that is used for exterior openings, and for filling the gap between the bottoms of the door and the floor. It also helps to drain off water from outside so that doors can open and close easily.  Doorframes should also be constructed from CCA pressure treated timber – or alternatively stained/sealed with products that’s been tested to withstand the elements. A colour stain can be applied to change the greenish colour of the timber (caused by chemicals in the pressure tank) to any of your liking.  When using varnish make sure the treated timber is properly dry.  If not – the varnish will deteriorate and expose your door to the elements of sun /wind and water.  It is always a sound choice to install doors underneath an overhang of Timber or any other material that can deflect the rain. (Corrugated roofing or canvass).

 At Sabie Poles we keep Timber life product range which was developed especially with log homes in mind. 

Doors can be manufactured with softwoods as well as hardwoods. 

Is Timber fascia a trim?

Fascia is a specific type of trim, which is installed just below the roof line. It helps to cover the soffit, (behind the facia board) and provides a more finished appearance for the roof and eaves of the home. These boards may vary in width, but is generally a slightly wider or thicker version of the same wood trim used on the rest of the log home.  Ensure that the timber is CCA pressure treated before installing it.

Sabie Poles supplies 38mm x 228mm CCA pressure treated timber for this application.

Sealing the timber for your log timber home

It is very important to seal your log timber home properly. When you seal the timber for our log timber home, you are able to protect it for years to come. Each sealing process has different methods and materials used.

Sealant is a liquid (caulk) or solid (foam or butyl rubber) material used to prevent air or water from passing though joints. Chinking is a thick material used to seal the gaps between log courses. Traditional chinking is mortar-based, but modern synthetic chinking is far more elastic, effective and durable.

A variety of sealant products are available

Caulking and chinking are vital to stop air leaks, protect from insects, prevent wood decay, and ensure your CCA pressure treated log timber home lasts. The significant difference between these two products is texture and elasticity. Caulking is typically more elastic and has light or no texture and works great in small joints and openings.

Chinking both seals joints between logs for weather protection and acts as a decorative touch. It can be used on both the interior and exterior walls of your CCA pressure treated log structure.

 TIP: Your chinking must be chemically compatible with your stain, sealer, clear coat, or other preservative products to prevent problems. It’s a good idea to use products made by the same manufacturer. Today’s chinking products are typically acrylic-based for best results. You will appreciate all of caulking’s benefits on any project you undertake.

Apply chinking so it slants away from the logs from top to bottom to allow water to run off. If you don’t do this, water can stand on top of logs and begin the rotting process.

Our cladding is molded in such a way that one board slides underneath the next piece – leaving no gaps for water to penetrate. 

Read our blog on our cladding products here

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