A double beam secured to a post to support the deck joists.  Softwoods (e.g. pine) are commonly used for the substructure: make sure that timber in ground contact is Use Class 4 pressure treated pine.  A common mistake is to purchase joints that are intended building use i.e. Use Class 2 and many retailers don't point out the difference.  These will not give a good service life.

A double beam secured to a post to support the deck joists. Softwoods (e.g. pine) are commonly used for the substructure: make sure that timber in ground contact is Use Class 4 pressure treated pine. A common mistake is to purchase joints that are intended building use i.e. Use Class 2 and many retailers don't point out the difference. These will not give a good service life.

Go to our website and download our Builders Guide to Timber Decking.  It's FREE.

Go to our website and download our Builders Guide to Timber Decking. It's FREE.

Use DeckMark accredited materials and installers

Use DeckMark accredited materials and installers

GET THE APP: With the help of Wood Campus we have designed a Softwood Decking Calculator.  It's available for I-phones and android.

GET THE APP: With the help of Wood Campus we have designed a Softwood Decking Calculator. It's available for I-phones and android.

With pressure treated timber, re-treat all cross cut ends, notches and borings with a DeckMark accredited end grain preservative.  Ensele is  being used here.  Courtesy of Lonza Wood Protection.

With pressure treated timber, re-treat all cross cut ends, notches and borings with a DeckMark accredited end grain preservative. Ensele is being used here. Courtesy of Lonza Wood Protection.

For specifiers we have the Timber Decking Manual for £34.  You can buy on line at our website.

Timber decking : the professionals' manual / Patrick J.


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