wood joists - Joist Repair Plates or Joist Splice Plates
Repair Kits - ready made Kits, including the timber machined by us to
original size, if necessary.
JOIST REPAIR SITE INDEX
Article about joist
repair - click here
JOIST REPAIR AND RELATED
repair joist ends or replace sections call: 01626 331351
Joist End Repair Plates
are supplied as pairs of galvanized steel plates, pre-drilled, to be
fixed with Coach Screws (included). The plates rest in or on the wall
and allow for the rotted end to be cut off.
All types - maximum joist
width allowable is 3 inches, (75mm), for all plate sizes. They are for
Domestic Floor Loadings only.
BM6 Kit - allows
for up to 6 inches, (150mm), to be cut off - joist size minimum 4 inches,
(100mm) deep up to a maximum of 7 inches, (175mm) deep.
BM9 Kit - allows
for up to 9 inches, (225mm), to be cut off - joist size minimum 4 inches,
(100mm ) deep up to a maximum of 7 inches, (175mm) deep.
BM17 Kit - allows
for up to 17 inches, 432mm, to be cut off - joist size minimum 6 inches,
(150mm) deep up to a maximum of 9 inches, (225mm) deep.
Shown below - BM6 next to
a 9 inch (225mm) deep timber. Normally a BM17 would be used for this
Note - coach screws supplied
with the kit require pilot holes to be drilled, to avoid splitting the
Joist End Repair Plates
- fixed with coach
screws using a socket wrench.
These steel plate BM Kits
can also be used as splices to join on a new piece of joist - ask for
double the number of Coach Screws, plus two Bolt Sets for extra security.
When working above ceilings
the plates can be reversed so that the flanges rest on the ceiling itself,
to avoid opening up and having to rebate the underneath of the joists.
Don't forget to treat all
cut ends of just using our Boron
Ultra Gel 20% to prevent future rot and insect attack.
We can provide joists machined
to match the old Imperial sizes - modern joists are Metric and will
not be suitable for plate splicing due to being thinner than the originals.
Plate Kits are supplied as pairs of plates made from anodised aluminium
treadplate, un-drilled, to be fixed with self drilling and tapping screws
(included). The plates allow you to joint domestic joists at any point
along their length.
Maximum Joist Width allowable
is 3 inches, 75mm, for Domestic Floor Loadings only.
JSP Small Kit - for
joists from 4 inches up to 6 inches, 100mm - 150mm, in depth
JSP Medium Kit - for
joists from 6 inches to 8 inches, 150mm - 200mm, in depth
JSP Large Kit - for
joists from 8 inches up to 10 inches, 200mm to 250mm, in depth
Fixed with self piercing
screws with built in washers
joist repair method - Timber-Resin Splice Kit
- How to repair Joist Ends with a Timber-Resin Splice Kit
- Prop the
joists to ground
- Cut off
the damaged part (any length)
a slot in the top face, or a pair of slots in the side face to our
Design Sketch (provided)
- Dry fit
the new piece of wood which already has bars fitted (this is the Timber-Resin
Splice itself) - if it fits properly seal the butting face with the
quick setting filler provided
the repair by either pouring resin into the top slot or injecting
into the side slots
- Timber-Resin Splice to
joist, resin being poured into a top slot
Larger joists, in manufacture,
showing the connector bars
Quotation Form - to request a price and Design for your repair
Mold | Dry
Policy | Returns Policy |
F: 01626 331143
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Site written by: David
David Moore, B.A. (Hons.),
C.T.I.S., C.R.D.S. Technical Author