to Stop Rot in Glulam Beams
Beams and Laminated Timber Beams are frequently found to be decaying due to Wet
Rot. It is caused by water ingress or Condensation, both in exterior Glulam Beam
bearing ends (usually inside steel shoes) or indoors, due to high humidity (swimming
pools) or water leaks. Metal brackets and bolts add to the problems, due to chemical
attack between the wood and the metal.
can stop this type of decay easily using proven Boron technology, commonly applied
to Electricity Supply Poles and Railway Sleepers;
Insert Solid Sticks - Boron Ultra Rods - these dissolve for up to 3 - 5 years,
giving a long term reservoir of the active Borate
Inject a Stiff Paste - Boron Ultra 78 - this dissolves more immediately, giving
a Gel to Fixings - Boron Ultra Gel - this lubricates bolts and screws and reduces
chemical reactions between wood and metal
Isolate the Timber - Epoxy Structural Fillers - fill between bolts, plates and
concrete, to avoid damaging water from entering the wood
Replace in Resin - Epoxy Cast Repairs - completely replace vulnerable sections
in solid Structural Epoxy Resin
Redesign Drainage - re-route rainwater to prevent pooling and reset gutters and
downpipes away from Glulam surfaces
Rot in a Gym, due to high humidity indoors, compared with Delaminated in a Glulam
Beam Repair Methods
Rods and Injection - via 10mm diameter holes drilled at 120mm along the grain,
75mm across the grain
Gels - to all bolt holes, plate mounting areas, on all screws and nails, to all
exposed end grain
- to line all holes, plate mountings and metal 'feet' and 'shoes'
Repair Sections - to replace badly damaged sections
rot in a Glulam Beam in a school swimming pool - this can be saved at this stage.
for a Site Case Study - produced by one of our Clients, Timberwise - Pizza Hut,
Beam Repair Products
Boron Ultra Rods - 8mm or 10mm diameter, various lengths, in packs of 10, plastic
plugs to suit.
Ultra 78 Paste - injected into the same holes, 400cc cartridge with 8mm diameter
Ultra Gel - brushed onto fixings and end grain, in 500cc, 1 litre and 2 litre
4. Mouldable Epoxy
Putty - sandable, paintable. In 1 litre pots.
Timberbuild Laminate Filler - fine surface crack and glue line filler. In 380cc
twin cartridges. Sandable and paintable.
Structural Epoxy pouring and injection resins - in pouring and injection grades
from 400cc to 7.5 litres.
Timber-Resin Splice kits - made to measure, matching laminations and timber species,
colour and grain.
repair pieces can be made in any size - they are supplied as Kits, with high tensile
steel bars fitted.
Glulam Beam complete repair Sections
offer an extensive range of Timber repair options for all types of buildings,
including Churches, Sports Halls, Swimming Pools and Industrial Buildings, in
order to avoid removal of structural timber beams
Rot in Structural Frames - indoors, in a Gymnasium. Pizza Hut Glulams, Peterborough,
many cases timbers can be repaired in-situ, from inside the building.
Splice Repair Sections - new pieces of kiln dried, Strength Graded timber
made to fit the damaged area, bonded in with epoxy
Splice - a small, new Glulam Section ready for installation.
In-situ Resins - Structural Epoxy Pouring resin and Injection Resins for rebuilding
sections, using 'shuttering', where there is no access for a repair section to
Treatments - kill Dry Rot, Wet Rot and Woodworm inside the existing timber
with Boron-based preservatives. Liquids, pastes, gels and solid rods of Borate
all contribute to a long service life for damp timbers
Glulam Repair and Preservation Advice
directly to a real person about your Glulam Preservation needs: 01626 331351
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PAINTS SHOP - fire retardant and intumescent paints
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FOR DAMP WALLS & FLOORS SHOP - air gap membranes
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01626 331351 FAX: 01626 331143
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written by: David Moore
Moore, B.A. (Hons.), C.T.I.S., C.R.D.S. Technical Author