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INITIAL HINTS AND TIPS FOR INSTALLING HARMONY DECKING
NOTE: WHEN SCREWING THROUGH COMPOSITE PRODUCTS ALWAYS PRE DRILL ANY HOLES
All decking must be laid with a fall. We recommend that you lay your decking with a fall of 1 in 100.
Derrinabrin Farm, Norwood Hill Road, Charlwood, Surrey,RH6 0EB, UK
0800 799 9082 | info@teckwood.co.uk | www.teckwood.co.uk
Joists must be laid on a solid flat
surface such as concrete. Grass,
uneven paving slabs or sand will
cause movement.
Always pre drill composite wood
products using a minimum of
a 4.5mm drill bit. If you do not
you risk damaging the product
over time.
Joists must be set to 350 mm
centres. If not boards may warp
or move. Composite boards
need to be supported across
their length.
Ends of deck boards must be
supported and not have an
overhang of more than 10mm.
If not boards will move or be
damaged.
Butted boards must have an
expansion gap of 5mm between
boards & be supported by
separate joists. At edges a gap
must be left for expansion. If
not boards may warp or crack
under pressure.
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