Shadowspec UNITY Owner's Manual page 18

Surface Plate Deck Install Guide
The following guide is deigned for prebuilt decks. To ensure sufficent strength you should install additional nogs/joists in
between the exisiting bearers on your deck.
You will require the following:
• 4x 100mm x 100mm Timber Nogs/Joists
• Sufficent screws
• Electric screw driver / drill
• Replacement nails / screws
• 4 x 12mm CSK Bolts and matching Nuts (not supplied - length will depend on the thickness of the deck and bracing
timbers you are fixing through
Step 1 Determine the installation location on your deck.
Step 2 For access, remove enough decking to access at least 400mm | 1'4'' of space for the next steps.
Step 3
Ensure the additional timber nogs/joists are spaced with their center 270mm | 11'' apart for the surface
plate to be screwed into.
Step 4 Insert 100mm x 100mm | 4'' x 4'' timber nogs/joists between existing bearers.
Step 5 Replace the timber decking we recommend using screws to ease of re-access.
Step 6 Install your surface plate as per
Figure K - Securing Surface Plate to Wooden Deck
12mm / 1/2'' CSK bolts
running right through and
fastened with a washer
and locknut
Standard 20mm / 0.8''
timber decking
Spigot and Surface Plate
18
page 17 and Figure I.
200mm x 50mm / 8'' x 2''
timber deck joists
Unity Spigot
Surface Plate
Note: Washer between
Surface Plate and decking
Additional 100mm x 100mm / 4'' x 4''
timber joist inserted between deck
bearers to provide a substantial anchor
point for bolts to fasten through
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