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A-Z
Guide
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easy reference to help you find what you may be looking for: |
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Adze (Service)
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We have recently checked to
make sure and it is still in the stores. So if the project would be
right with that surface texture, we are a bit out of practice but can
do. Probably.
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Angled Finger Jointer
(Service)
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Our machine is primarily
intended to make mitred joints. They can form the haunch of a portal
frame or, in series, a faceted arch to be sawn to a curve. Maximum
section 100 x 500mm. Fine for straight joints in smaller sections but
not really configured for high volumes.
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Attic Frames
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We use our angled finger
jointer to make small scale portal frames from trussed rafter stock.
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'A' Frame
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An efficient structural form
which works well in glulam and only needs simple bases. Good for
holiday homes, sporting lodges, similar leisure applications and
permanent residences.
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Box Beams *
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Hollow beams with plywood
faces and softwood flanges are structurally efficient and use less wood
to carry similar load to solid alternatives (Glulam, LVL). They will,
however, usually be about 30% deeper. Material savings tend to be
offset by the extra labour of custom building.
Versatile appearance and section profile.
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CNC Profiling (Service)
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Our 5 axis machine has a
capacity approx 8000 x 1400 x 400mm high. Not particularly high
powered, but we may well be able to help.
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Columns **
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Round, Square, 'H', solid,
hollow, tapered, curved - the options are extensive. We have the
tooling for a standardised range of circular hollow sections. Our
largest to date were 8000 long x 450 diameter. The largest octagonal
version was 13000 long x 600 tapering to 350 at the top for a cellular
phone mast. 200 to 300 dia. are most popular. We have a lathe for
adding shape and detail. More...
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Cowley Connector ***
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Also known as the Shearlock
Joint, our patented beam end jointing system is largely concealed and
features an epoxy bonded tube with a captive socket cap bolt. High load
transfer with minimal slip. More...
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Double Curved Panels **
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We have the moulds, 5 axis
CNC machining and analytical skills to press multiple curved panels in
plywood, OSB or other suitable wood based sheets. Birch faces are
popular. More...
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Feature Trusses ***
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An attractive answer when
visually interesting roof support is required. Our feature trusses can
be old or new in style. Colour, surface, treatment and joint details
can all be varied to give exactly the desired effect. More...
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Finger Jointing * (Service)
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Our machine is primarily
intended to make mitred joints. They can form the haunch of a portal
frame or, in series, a faceted arch to be sawn to a curve. Maximum
section 100 x 500. Fine for straight joints in smaller sections but not
really configured for high volumes.
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Finger Jointed Portals **
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Where space is at a premium,
frames with a mitred (finger jointed) haunch help headroom at eaves.
Viable from 5m (Attic frames) to 20m span. The joint method is also
applicable to cranked beams in a variety of orientations. More...
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Footbridges **
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Timber bridges are an
attractive option in many environmental situations. Sometimes built
in-situ when access is difficult. We have standardised solutions for
basic applications, but may well help when something unorthodox is
contemplated.
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Garden Rooms
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Garden buildings for the
serious 52 weeks a year user. Our SIPs are used for wall, floor and
roof construction and provide the high level of insulation required for
low energy comfort. They provide work space for offices, consulting
rooms, hobbies and so on.
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Geodesic ***
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Buckminster Fuller developed
his celebrated domes in 1920's America. He had identified an incredibly
efficient structural form. It works well in wood. Not sure whether it
should still be called 'geodesic' when applied to egg and toroid shaped
versions, but it seems to fit. More...
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Glulam Beams **
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A mainstay timber engineering
resource, they are available in straight and cambered profiles. Glulam
beams offer a strong and attractive means of support. For the mass
product we would source from one of the volume manufacturers, but have
a small plant in Lincoln for different species etc.
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Glulam Portals *
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The classic timber building
frame. They usually have the signature curved haunch and can span 40m
and more. More...
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Gridshell ***
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Probably current terminology
for a structure also called 'Netshell' & 'Lattice'. The inventor(s)
recognised that a net, secured around it's perimeter naturally assumed
an efficient structural form in tension - the components configured
themselves to share forces. Flip to compression and small timber
elements work beautifully. Even if you do have to compromise the pure
form to suit the building function.
More...
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Hyperbolic Paraboloid
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Another structurally
efficient form which was very popular in the 1950's & 60's.
Generally square or rectangular on plan and bounded by straight lines
but with one corner higher than the other three. Opposing sides are
connected by straight lines generating twisted planes. In timber the
perimeter beams clamp three layers of thin boards are nailed, screwed
or glued to each other to achieve large spans.
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I Beams *
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Big investment in Europe and
the States in plant and software is enabling (floor) joist design to
emulate the radical transformation of domestic roofs created by trussed
rafters. Come to us for non-conforming challenges.
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Lamella ***
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Although the roots of the
word suggest that it would apply to all shell roofs, in Europe it is
usually related to the form developed in 1920's Germany. Ribs are
configured in a 'noughts & crosses' layup with alternating members
continuous through each joint. For 1m 'squares' the ribs would be 2m
long. Much more efficient arched than flat, the depth of structure can
be remarkably slender. More...
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Lamination (Oak, Teak) **
(Service)
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We can provide a laminating
service for unusual species, subject to glue-ability and including own
materials if you wish.
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LVL / Kerto *
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Laminated Veneer Lumber has
been established in the USA for several decades and alsmost as long
elsewhere in Europe. An engineered wood composite, it is made rather
like plywood but with the veneers largely parallel. Strength reducing
features such as knots are distributed enabling higher working stresses
to be used. More of the log is utilised.
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Monocoque Panels *
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Also known as 'Stressed
Skin', they act rather like an 'I' beam but with much wider flanges -
the upper and lower decks. The 'Q' versions of LVL have a percentage of
cross veneers to provide lateral stability. Excellent for decks in one
piece where plywood can be untidy to join. Spans up to 26m.
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Post & Beam ***
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Modern jointing methods
enable us to streamline this standard building form. Neat detailing and
rapid installation are hallmarks of a frame which looks good but is
compact enough to be concealed if required.
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Portal Frames
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See - Finger Jointed Portals
& Glulam Portals. More...
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Preservative Treatment
(Service)
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We have a small (7m) vacuum /
pressure tank charged with water borne Timber boron based preservative
for more environmentally friendly treatment. If you are within reach of
us at Lincoln, please give us a try.
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Ribbed Panel Shells
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Panels laminated to double
curves often satisfy the structural requirements of domes and similar
shells without much help. Simple ribs address the practical issues of
controlling shape, jointing, space for insulation, lining support etc
without the cost of a full separate frame.
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Roundwood *
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We have not lost sight of our
roots and are happy to use the trees with much less processing and
waste. Efficient for axially loaded structures.
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Salt Barns
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Sculptures (Wine Rack) *
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As with double curved panels,
our machinery and our modelling skills can enable us to tackle quite
daunting feats of imagination. More...
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Shell Roofs ***
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Geodesic, Lamella, Gridshell,
Ribbed Panel - challenging geometric forms are our forte and achieve
large spans with a surprisingly small depth of structure. And they look
good. More...
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Shearlock Joint ***
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Single Curved Panels ***
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Wall or roof structural
elements to any specified radius. Single sheets of plywood or OSB with
framing or multiple press laminated sheets with little or no framing.
Fair faced or structure only. More...
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SIPs ***
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Structural Insulated Panels
are light, stiff infill units which have wall, roof and floor
applications. They can form or help the building structure and have
very good thermal and air sealing properties. Coniferous plywood faces
are standard but can be readily customised, (e.g. Birch). More...
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Special SIPs *
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We have bonded 6mm Birch
plywood to 200mm EPS boards to make stiff and light folding door leaves
2m wide x 6.5m high. Another project was solved with 4mm Oak veneered
plywood on 32mm Nilflam cores for brise soleil louvres. Designs for
very harsh external environments have also been explored. Another handy
element to have in the toolkit. More...
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Space Frames
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We have not had the fortune
to land one yet, but the Cowley Connector seems well suited to the
task. A similar approach to geodesics looks appropriate. More...
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Stairs (without strings) *
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Our manufacturing technique
involves pressing flights of stairs with treads and risers only - no
strings. Form following function, perhaps.
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Stud Panels **
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We include standard timber
frame stud wall panels in our repertoire. Usually at least 150 deep but
probably more for high thermal insulation values. Clad with Panelvent
for good breathing qualities.
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Tied Rafter Trusses
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A pair of rafters with a tie
rod have the ingredients of no-frills framing using each material
effectively. The full range of solid timber or composites can be
recruited to suit structural and aesthetic needs. More...
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Trussed Rafters **
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Our experience in the design
and manufacture of ordinary and not so ordinary roof trusses is
extensive. We have complementary products to help resolve complex
geometry. More...
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Windows *
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Skills Profile
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*** Special Expertise - We
have a market edge
** Basic Product - Middle market, can compete
* Either - Mass produced item with specialists
or - Yes, but it
wouldn't half bog us down.
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Cowley
timberwork is a trading name of timber engineering connections ltd
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