Timber iQ October - November 2018 // Issue: 40 | Page 39

FEATURES
TIMBER DECKING BENEFITS
• Minimal waste if properly planned.
• Minimal disruption to the ground below – only
the post supports are in the ground. If your
deck is low to the ground it can also be
supported on pads.
• Cooler in summer than composite or
plastic decking.
• If legally sourced decking is used, timber is a
greener alternative.
BEST PRACTICE WHEN
INSTALLING TIMBER DECKS
• Prepare the ground and ensure that all
vegetation is removed.
• Map out the area where the deck is to be
installed. Mark where posts are to be planted.
If poles are used as posts, ensure that they are
treated in accordance with SABS specification.
• If a treated pole is planted in the ground, it is
important to allow for drainage. If you intend
using concrete, ensure that the concrete forms
a collar around the pole with the end
protruding through the concrete.
• When installing a deck that is low off the
ground it is advisable to first lay PVC sheeting
with a layer of stone to prevent weeds from
growing under the deck.
• Install the substructure – it is a requirement
that all exterior SA pine is
SABS H3 CCA treated.
• Choose the correct fastener for the timber.
• When installing pine decking, it is advisable to
oil all the decking prior to fixing.
KEY PROCEDURE POINTERS
• Area – Choose your location, ground condition,
sunny or shady area, exposure to the wind.
• Design – Plan the deck to suit your needs.
Consider furnishings and accommodate
for traffic flow.
• Cost and materials – Pressure treated pine is
very popular and considered one of the most
cost-effective ways to go. Once you have
planned your deck, determine what dimension
timber is to be used for the sub-structure, the
fixing accessories required as well as the type
of decking to be installed.
• Painting and maintenance – It’s important
(regardless of the type of deck) that you oil the
decking once installed and thereafter stick to a
maintenance programme.
// OCTOBER / NOVEMBER 2018 37